diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c87f612a..f719d5dd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -121,7 +121,7 @@ jobs:
     runs-on: windows-latest
 
     env:
-      SDL_VERSION: 2.26.0
+      SDL_VERSION: 3.4.0
 
     steps:
     - uses: actions/checkout@v4
@@ -134,23 +134,23 @@ jobs:
       env:
         cache-name: cache-sdl
       with:
-        path: C:\SDL2-*
+        path: C:\SDL3-*
         key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ env.SDL_VERSION }}
 
     - if: ${{ steps.cache-windows-sdl.outputs.cache-hit != 'true' }}
       name: Download SDL if not cached
       run: |
-        Invoke-WebRequest "https://github.com/libsdl-org/SDL/releases/download/release-$env:SDL_VERSION/SDL2-devel-$env:SDL_VERSION-VC.zip" -OutFile C:\SDL.zip
+        Invoke-WebRequest "https://github.com/libsdl-org/SDL/releases/download/release-$env:SDL_VERSION/SDL3-devel-$env:SDL_VERSION-VC.zip" -OutFile C:\SDL.zip
         Expand-Archive C:\SDL.zip -DestinationPath C:\
 
     - name: CMake initial configure/generate
       run: |
         mkdir $env:SRC_DIR_PATH/build
         cd $env:SRC_DIR_PATH/build
-        $env:LDFLAGS =  "/LIBPATH:C:\SDL2-$env:SDL_VERSION\lib\x86 "
+        $env:LDFLAGS =  "/LIBPATH:C:\SDL3-$env:SDL_VERSION\lib\x86 "
         cmake -G "Visual Studio 18 2026" -A Win32 `
-              -DSDL2_INCLUDE_DIRS="C:\SDL2-$env:SDL_VERSION\include" `
-              -DSDL2_LIBRARIES="SDL2;SDL2main" ..
+              -DSDL3_INCLUDE_DIRS="C:\SDL3-$env:SDL_VERSION\include" `
+              -DSDL3_LIBRARIES="SDL3" ..
 
     - name: CMake configure (default version)
       run: |
diff --git a/desktop_version/CMakeLists.txt b/desktop_version/CMakeLists.txt
index 82a9a0f2..014bcc78 100644
--- a/desktop_version/CMakeLists.txt
+++ b/desktop_version/CMakeLists.txt
@@ -3,6 +3,8 @@
 
 cmake_minimum_required(VERSION 2.8.12...3.5)
 
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
 # CMake Options
 option(ENABLE_WARNINGS "Enable compilation warnings" ON)
 option(ENABLE_WERROR "Treat compilation warnings as errors" OFF)
@@ -28,7 +30,6 @@ endif()
 
 option(REMOVE_ABSOLUTE_PATHS "If supported by the compiler, replace all absolute paths to source directories compiled into the binary (if any) with relative paths" ON)
 
-
 # Architecture Flags
 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
     # Wow, Apple is a huge jerk these days huh?
@@ -131,7 +132,7 @@ set(VVV_C_SRC
     src/VFormat.c
     src/Vlogging.c
     src/Xoshiro.c
-    ../third_party/physfs/extras/physfsrwops.c
+    ../third_party/physfs/extras/physfssdl3.c
 )
 if(STEAM)
     list(APPEND VVV_C_SRC src/SteamNetwork.c)
@@ -225,7 +226,7 @@ set(FAUDIO_SRC
     ../third_party/FAudio/src/FAudio_internal.c
     ../third_party/FAudio/src/FAudio_internal_simd.c
     ../third_party/FAudio/src/FAudio_operationset.c
-    ../third_party/FAudio/src/FAudio_platform_sdl2.c
+    ../third_party/FAudio/src/FAudio_platform_sdl3.c
 )
 set(PFS_SRC
     ../third_party/physfs/src/physfs.c
@@ -383,15 +384,19 @@ if(BUNDLE_DEPENDENCIES)
         ../third_party/FAudio/include
     )
     # Disable FAudio debug stuff in release mode. This needs a generator expression for CMake reasons(TM)
-    target_compile_definitions(faudio-static PRIVATE $<$<CONFIG:Release>:FAUDIO_DISABLE_DEBUGCONFIGURATION>)
+    target_compile_definitions(faudio-static
+        PRIVATE
+            $<$<CONFIG:Release>:FAUDIO_DISABLE_DEBUGCONFIGURATION>
+            -DFAUDIO_SDL3_PLATFORM
+    )
 
-    target_link_libraries(VVVVVV ${STATIC_LIBRARIES})
+    target_link_libraries(VVVVVV PUBLIC ${STATIC_LIBRARIES})
 else()
     target_compile_definitions(VVVVVV PRIVATE
         ${PNG_DEF}
         -DSYSTEM_LODEPNG
     )
-    target_link_libraries(VVVVVV ${STATIC_LIBRARIES} physfs tinyxml2 FAudio lodepng)
+    target_link_libraries(VVVVVV PUBLIC ${STATIC_LIBRARIES} physfs tinyxml2 FAudio lodepng)
 endif()
 
 
@@ -444,54 +449,54 @@ foreach(static_library IN LISTS STATIC_LIBRARIES)
 endforeach(static_library)
 
 
-# SDL2 Dependency (Detection pulled from FAudio)
-if(DEFINED SDL2_INCLUDE_DIRS AND DEFINED SDL2_LIBRARIES)
-    message(STATUS "Using pre-defined SDL2 variables SDL2_INCLUDE_DIRS and SDL2_LIBRARIES")
-    target_include_directories(VVVVVV SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL2_INCLUDE_DIRS}>")
-    target_link_libraries(VVVVVV ${SDL2_LIBRARIES})
+# SDL3 Dependency (Detection pulled from FAudio)
+if(DEFINED SDL3_INCLUDE_DIRS AND DEFINED SDL3_LIBRARIES)
+    message(STATUS "Using pre-defined SDL3 variables SDL3_INCLUDE_DIRS and SDL3_LIBRARIES")
+    target_include_directories(VVVVVV SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL3_INCLUDE_DIRS}>")
+    target_link_libraries(VVVVVV PUBLIC ${SDL3_LIBRARIES})
     if(BUNDLE_DEPENDENCIES)
-        target_include_directories(faudio-static SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL2_INCLUDE_DIRS}>")
-        target_link_libraries(faudio-static ${SDL2_LIBRARIES})
+        target_include_directories(faudio-static SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL3_INCLUDE_DIRS}>")
+        target_link_libraries(faudio-static ${SDL3_LIBRARIES})
     endif()
 elseif (EMSCRIPTEN)
-    message(STATUS "Using Emscripten SDL2")
-    target_compile_options(VVVVVV PUBLIC -sUSE_SDL=2)
-    target_link_libraries(VVVVVV -sUSE_SDL=2)
+    message(STATUS "Using Emscripten SDL3")
+    target_compile_options(VVVVVV PUBLIC -sUSE_SDL=3)
+    target_link_libraries(VVVVVV PUBLIC -sUSE_SDL=3)
     if(BUNDLE_DEPENDENCIES)
-        target_compile_options(faudio-static PUBLIC -sUSE_SDL=2)
-        target_link_libraries(faudio-static -sUSE_SDL=2)
+        target_compile_options(faudio-static PUBLIC -sUSE_SDL=3)
+        target_link_libraries(faudio-static PUBLIC -sUSE_SDL=3)
     endif()
-elseif(DEFINED SDL2_FRAMEWORK)
-    message(STATUS "Using pre-defined SDL2 variable SDL2_FRAMEWORK")
-    target_include_directories(VVVVVV SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL2_FRAMEWORK}/Headers>")
-    target_link_libraries(VVVVVV ${SDL2_FRAMEWORK})
+elseif(DEFINED SDL3_FRAMEWORK)
+    message(STATUS "Using pre-defined SDL3 variable SDL3_FRAMEWORK")
+    target_include_directories(VVVVVV SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL3_FRAMEWORK}/Headers>")
+    target_link_libraries(VVVVVV PUBLIC ${SDL3_FRAMEWORK})
     if(BUNDLE_DEPENDENCIES)
-        target_include_directories(faudio-static SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL2_FRAMEWORK}/Headers>")
-        target_link_libraries(faudio-static ${SDL2_FRAMEWORK})
+        target_include_directories(faudio-static SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL3_FRAMEWORK}/Headers>")
+        target_link_libraries(faudio-static PUBLIC ${SDL3_FRAMEWORK})
     endif()
-    set_target_properties(VVVVVV PROPERTIES XCODE_EMBED_FRAMEWORKS ${SDL2_FRAMEWORK})
+    set_target_properties(VVVVVV PROPERTIES XCODE_EMBED_FRAMEWORKS ${SDL3_FRAMEWORK})
 else()
-    # Only try to autodetect if both SDL2 variables aren't explicitly set
-    find_package(SDL2 CONFIG)
-    if(TARGET SDL2::SDL2)
-        message(STATUS "Using TARGET SDL2::SDL2")
-        target_link_libraries(VVVVVV SDL2::SDL2)
+    # Only try to autodetect if both SDL3 variables aren't explicitly set
+    find_package(SDL3 CONFIG)
+    if(TARGET SDL3::SDL3)
+        message(STATUS "Using TARGET SDL3::SDL3")
+        target_link_libraries(VVVVVV PUBLIC SDL3::SDL3)
         if(BUNDLE_DEPENDENCIES)
-            target_link_libraries(faudio-static SDL2::SDL2)
+            target_link_libraries(faudio-static PUBLIC SDL3::SDL3)
         endif()
-    elseif(TARGET SDL2)
-        message(STATUS "Using TARGET SDL2")
-        target_link_libraries(VVVVVV SDL2)
+    elseif(TARGET SDL3)
+        message(STATUS "Using TARGET SDL3")
+        target_link_libraries(VVVVVV PUBLIC SDL3)
         if(BUNDLE_DEPENDENCIES)
-            target_link_libraries(faudio-static SDL2)
+            target_link_libraries(faudio-static PUBLIC SDL3)
         endif()
     else()
-        message(STATUS "No TARGET SDL2::SDL2, or SDL2, using variables")
-        target_include_directories(VVVVVV SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL2_INCLUDE_DIRS}>")
-        target_link_libraries(VVVVVV ${SDL2_LIBRARIES})
+        message(STATUS "No TARGET SDL3::SDL3, or SDL3, using variables")
+        target_include_directories(VVVVVV SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL3_INCLUDE_DIRS}>")
+        target_link_libraries(VVVVVV PUBLIC ${SDL3_LIBRARIES})
         if(BUNDLE_DEPENDENCIES)
-            target_include_directories(faudio-static SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL2_INCLUDE_DIRS}>")
-            target_link_libraries(faudio-static ${SDL2_LIBRARIES})
+            target_include_directories(faudio-static SYSTEM PRIVATE "$<BUILD_INTERFACE:${SDL3_INCLUDE_DIRS}>")
+            target_link_libraries(faudio-static PUBLIC ${SDL3_LIBRARIES})
         endif()
     endif()
 endif()
@@ -500,15 +505,15 @@ endif()
 if(APPLE)
     find_library(FOUNDATION NAMES Foundation)
     find_library(IOKIT NAMES IOKit)
-    target_link_libraries(VVVVVV objc ${IOKIT} ${FOUNDATION})
+    target_link_libraries(VVVVVV PUBLIC objc ${IOKIT} ${FOUNDATION})
 endif()
 # But hey, also some Haiku crap
 if(HAIKU)
     find_library(BE_LIBRARY be)
     find_library(ROOT_LIBRARY root)
-    target_link_libraries(VVVVVV ${BE_LIBRARY} ${ROOT_LIBRARY})
+    target_link_libraries(VVVVVV PUBLIC ${BE_LIBRARY} ${ROOT_LIBRARY})
 endif()
 if(EMSCRIPTEN)
     # 256MB is enough for everybody
-    target_link_libraries(VVVVVV -sFORCE_FILESYSTEM=1 -sTOTAL_MEMORY=256MB)
+    target_link_libraries(VVVVVV PUBLIC -sFORCE_FILESYSTEM=1 -sTOTAL_MEMORY=256MB)
 endif()
diff --git a/desktop_version/Dockerfile b/desktop_version/Dockerfile
index 1c408f78..24893f7a 100644
--- a/desktop_version/Dockerfile
+++ b/desktop_version/Dockerfile
@@ -1,31 +1,26 @@
-FROM centos:7
+FROM rockylinux:9
 
-# run first to improve caching (other things update more often than SDL2)
+# run first to improve caching (other things update more often than SDL3)
 WORKDIR /tmp
-RUN curl -LJO https://github.com/libsdl-org/SDL/releases/download/release-2.24.0/SDL2-2.24.0.tar.gz
-RUN tar -xf SDL2-2.24.0.tar.gz
-RUN mkdir SDL2-2.24.0/build
-
-# add EPEL (for SDL2)
-RUN yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
+RUN curl -LJO https://github.com/libsdl-org/SDL/releases/download/release-3.4.12/SDL3-3.4.12.tar.gz
+RUN tar -xf SDL3-3.4.12.tar.gz
+RUN mkdir SDL3-3.4.12/build
 
 # install dependencies
-RUN yum -y install \
-    # used below
-    yum-utils \
-    # VVVVVV dependencies
-    gcc-c++ cmake make
+RUN dnf --assumeyes upgrade --refresh
+RUN dnf --assumeyes group install development
+RUN dnf --assumeyes install cmake
+RUN dnf --assumeyes install libX11-devel libICE-devel libSM-devel \
+    libXScrnSaver-devel libXext-devel libXft-devel libXi-devel \
+    libXinerama-devel libXmu-devel libXp-devel libXpm-devel \
+    libXrandr-devel libXrender-devel libXt-devel libXtst-devel \
+    libXv-devel libXxf86dga-devel libxkbcommon-devel libXcursor-devel
 
-RUN yum-builddep -y SDL2
-
-RUN yum clean all
-
-WORKDIR /tmp/SDL2-2.24.0/build
-RUN ../configure
-RUN make -j $(nproc)
-RUN make install
+WORKDIR /tmp/SDL3-3.4.12/build
+RUN cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr ..
+RUN cmake --build . --target install -- -j $(nproc)
 
 WORKDIR /tmp
-RUN rm -rf SDL2-2.24.0.tar.gz SDL2-2.24.0/
+RUN rm -rf SDL3-3.4.12.tar.gz SDL3-3.4.12/
 
 WORKDIR /
diff --git a/desktop_version/src/BinaryBlob.cpp b/desktop_version/src/BinaryBlob.cpp
index 62d99f19..a3903724 100644
--- a/desktop_version/src/BinaryBlob.cpp
+++ b/desktop_version/src/BinaryBlob.cpp
@@ -1,6 +1,6 @@
 #include "BinaryBlob.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #ifdef VVV_COMPILEMUSIC
 #include <stdio.h>
 #endif
diff --git a/desktop_version/src/BlockV.cpp b/desktop_version/src/BlockV.cpp
index 5eebec7c..c13b67a0 100644
--- a/desktop_version/src/BlockV.cpp
+++ b/desktop_version/src/BlockV.cpp
@@ -1,6 +1,6 @@
 #include "BlockV.h"
 
-#include <SDL_stdinc.h>
+#include <SDL3/SDL_stdinc.h>
 
 #include "Script.h"
 #include "Font.h"
diff --git a/desktop_version/src/BlockV.h b/desktop_version/src/BlockV.h
index 8ada5088..9575448e 100644
--- a/desktop_version/src/BlockV.h
+++ b/desktop_version/src/BlockV.h
@@ -1,7 +1,7 @@
 #ifndef BLOCKV_H
 #define BLOCKV_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <stdint.h>
 #include <string>
 
diff --git a/desktop_version/src/ButtonGlyphs.cpp b/desktop_version/src/ButtonGlyphs.cpp
index 82610025..486c6496 100644
--- a/desktop_version/src/ButtonGlyphs.cpp
+++ b/desktop_version/src/ButtonGlyphs.cpp
@@ -1,6 +1,6 @@
 #include "ButtonGlyphs.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 #include "Game.h"
 #include "Localization.h"
@@ -96,7 +96,7 @@ ButtonGlyphLayout;
 
 /* SDL provides Xbox buttons, we'd like to show the correct
  * (controller-specific) glyphs or labels for those... */
-static const char* glyph_layout[LAYOUT_TOTAL][SDL_CONTROLLER_BUTTON_RIGHTSHOULDER + 1] = {
+static const char* glyph_layout[LAYOUT_TOTAL][SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER + 1] = {
     { // NINTENDO_SWITCH_PRO
         glyph[GLYPH_NINTENDO_DECK_B], glyph[GLYPH_NINTENDO_DECK_A],
         glyph[GLYPH_NINTENDO_DECK_Y], glyph[GLYPH_NINTENDO_DECK_X],
@@ -178,10 +178,10 @@ bool BUTTONGLYPHS_keyboard_is_available(void)
         return true;
     }
 
-#if defined(__ANDROID__) || TARGET_OS_IPHONE
+#if defined(SDL_PLATFORM_ANDROID) || TARGET_OS_IPHONE
     return false;
 #else
-    return !SDL_GetHintBoolean("SteamDeck", SDL_FALSE);
+    return !SDL_GetHintBoolean("SteamDeck", false);
 #endif
 }
 
@@ -197,10 +197,10 @@ void BUTTONGLYPHS_keyboard_set_active(bool active)
     keyboard_is_active = active;
 }
 
-void BUTTONGLYPHS_update_layout(SDL_GameController *c)
+void BUTTONGLYPHS_update_layout(SDL_Gamepad *c)
 {
-    Uint16 vendor = SDL_GameControllerGetVendor(c);
-    Uint16 product = SDL_GameControllerGetProduct(c);
+    Uint16 vendor = SDL_GetGamepadVendor(c);
+    Uint16 product = SDL_GetGamepadProduct(c);
 
     if (vendor == 0x054c)
     {
@@ -210,10 +210,10 @@ void BUTTONGLYPHS_update_layout(SDL_GameController *c)
     {
         /* Steam Virtual Gamepads can hypothetically tell us that the physical
          * device is a PlayStation controller, so try to catch that scenario */
-        SDL_GameControllerType gct = SDL_GameControllerGetType(c);
-        if ( gct == SDL_CONTROLLER_TYPE_PS3 ||
-             gct == SDL_CONTROLLER_TYPE_PS4 ||
-             gct == SDL_CONTROLLER_TYPE_PS5 )
+        SDL_GamepadType gct = SDL_GetGamepadType(c);
+        if ( gct == SDL_GAMEPAD_TYPE_PS3 ||
+             gct == SDL_GAMEPAD_TYPE_PS4 ||
+             gct == SDL_GAMEPAD_TYPE_PS5 )
         {
             layout = LAYOUT_PLAYSTATION;
         }
@@ -272,9 +272,9 @@ const char* BUTTONGLYPHS_get_wasd_text(void)
     return loc::gettext("Press left/right to move");
 }
 
-const char* BUTTONGLYPHS_sdlbutton_to_glyph(const SDL_GameControllerButton button)
+const char* BUTTONGLYPHS_sdlbutton_to_glyph(const SDL_GamepadButton button)
 {
-    if (button < 0 || button > SDL_CONTROLLER_BUTTON_RIGHTSHOULDER)
+    if (button < 0 || button > SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER)
     {
         SDL_assert(0 && "Unhandled button!");
         return glyph[GLYPH_UNKNOWN];
@@ -284,7 +284,7 @@ const char* BUTTONGLYPHS_sdlbutton_to_glyph(const SDL_GameControllerButton butto
 }
 
 static const char* glyph_for_vector(
-    const std::vector<SDL_GameControllerButton>& buttons,
+    const std::vector<SDL_GamepadButton>& buttons,
     const int index
 ) {
     if (index < 0 || index >= (int) buttons.size())
diff --git a/desktop_version/src/ButtonGlyphs.h b/desktop_version/src/ButtonGlyphs.h
index 78416117..4e1305ab 100644
--- a/desktop_version/src/ButtonGlyphs.h
+++ b/desktop_version/src/ButtonGlyphs.h
@@ -1,7 +1,7 @@
 #ifndef BUTTONGLYPHS_H
 #define BUTTONGLYPHS_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <stdbool.h>
 
 #include "ActionSets.h"
@@ -17,10 +17,10 @@ bool BUTTONGLYPHS_keyboard_is_available(void);
 bool BUTTONGLYPHS_keyboard_is_active(void);
 void BUTTONGLYPHS_keyboard_set_active(bool active);
 
-void BUTTONGLYPHS_update_layout(SDL_GameController *c);
+void BUTTONGLYPHS_update_layout(SDL_Gamepad *c);
 
 const char* BUTTONGLYPHS_get_wasd_text(void);
-const char* BUTTONGLYPHS_sdlbutton_to_glyph(SDL_GameControllerButton button);
+const char* BUTTONGLYPHS_sdlbutton_to_glyph(SDL_GamepadButton button);
 const char* BUTTONGLYPHS_get_button(ActionSet actionset, Action action, int binding);
 
 char* BUTTONGLYPHS_get_all_gamepad_buttons(
diff --git a/desktop_version/src/CWrappers.cpp b/desktop_version/src/CWrappers.cpp
index 8eb31abc..e72c3b1e 100644
--- a/desktop_version/src/CWrappers.cpp
+++ b/desktop_version/src/CWrappers.cpp
@@ -1,6 +1,6 @@
 #include "CWrappers.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 #include "Graphics.h"
 #include "GraphicsUtil.h"
diff --git a/desktop_version/src/CWrappers.h b/desktop_version/src/CWrappers.h
index 94fa1494..22add1d7 100644
--- a/desktop_version/src/CWrappers.h
+++ b/desktop_version/src/CWrappers.h
@@ -1,7 +1,7 @@
 #ifndef CWRAPPERS_H
 #define CWRAPPERS_H
 
-#include <SDL_surface.h>
+#include <SDL3/SDL_surface.h>
 #include <stdint.h>
 
 #ifdef __cplusplus
diff --git a/desktop_version/src/Credits.h b/desktop_version/src/Credits.h
index a6c6f630..da2fa6aa 100644
--- a/desktop_version/src/Credits.h
+++ b/desktop_version/src/Credits.h
@@ -1,7 +1,7 @@
 #ifndef CREDITS_H
 #define CREDITS_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 namespace Credits {
 
diff --git a/desktop_version/src/CustomLevels.cpp b/desktop_version/src/CustomLevels.cpp
index 818002a5..b9c456cc 100644
--- a/desktop_version/src/CustomLevels.cpp
+++ b/desktop_version/src/CustomLevels.cpp
@@ -1337,7 +1337,7 @@ next:
 
                     if (name != NULL)
                     {
-                        SDL_Colour colour;
+                        SDL_Color colour;
                         colour.r = r;
                         colour.g = g;
                         colour.b = b;
@@ -1726,8 +1726,8 @@ void customlevelclass::generatecustomminimap(void)
     {
         for (int i2 = data.startx; i2 < data.startx + data.width; i2++)
         {
-            std::vector<SDL_Point> dark_points;
-            std::vector<SDL_Point> light_points;
+            std::vector<SDL_FPoint> dark_points;
+            std::vector<SDL_FPoint> light_points;
 
             bool dark = getroomprop(i2, j2)->tileset == 1;
 
@@ -1762,7 +1762,10 @@ void customlevelclass::generatecustomminimap(void)
                     if (tile >= 1)
                     {
                         // Add this pixel
-                        SDL_Point point = { ((i2 - data.startx) * 12 * data.zoom) + i, ((j2 - data.starty) * 9 * data.zoom) + j };
+                        SDL_FPoint point = {
+                            static_cast<float>(((i2 - data.startx) * 12 * data.zoom) + i),
+                            static_cast<float>(((j2 - data.starty) * 9 * data.zoom) + j)
+                        };
                         if (dark)
                         {
                             dark_points.push_back(point);
diff --git a/desktop_version/src/CustomLevels.h b/desktop_version/src/CustomLevels.h
index 22285182..31a83ea0 100644
--- a/desktop_version/src/CustomLevels.h
+++ b/desktop_version/src/CustomLevels.h
@@ -1,7 +1,7 @@
 #ifndef CUSTOMLEVELS_H
 #define CUSTOMLEVELS_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <string>
 #include <vector>
 
diff --git a/desktop_version/src/DeferCallbacks.c b/desktop_version/src/DeferCallbacks.c
index 4345bda8..0cb07ffb 100644
--- a/desktop_version/src/DeferCallbacks.c
+++ b/desktop_version/src/DeferCallbacks.c
@@ -1,6 +1,6 @@
 #include "DeferCallbacks.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 /* Callbacks to be deferred to the end of each sequence of gamestate functions
  * in main. Useful for fixing frame-flicker glitches when doing a state
diff --git a/desktop_version/src/Editor.cpp b/desktop_version/src/Editor.cpp
index 1115a71e..b22fc0f1 100644
--- a/desktop_version/src/Editor.cpp
+++ b/desktop_version/src/Editor.cpp
@@ -41,13 +41,13 @@ editorclass::editorclass(void)
     register_tool(EditorTool_MOVING_PLATFORMS, "Moving Platforms", "8", SDLK_8, false);
     register_tool(EditorTool_ENEMIES, "Enemies", "9", SDLK_9, false);
     register_tool(EditorTool_GRAVITY_LINES, "Gravity Lines", "0", SDLK_0, false);
-    register_tool(EditorTool_ROOMTEXT, "Roomtext", "R", SDLK_r, false);
-    register_tool(EditorTool_TERMINALS, "Terminals", "T", SDLK_t, false);
-    register_tool(EditorTool_SCRIPTS, "Script Boxes", "Y", SDLK_y, false);
-    register_tool(EditorTool_WARP_TOKENS, "Warp Tokens", "U", SDLK_u, false);
-    register_tool(EditorTool_WARP_LINES, "Warp Lines", "I", SDLK_i, false);
-    register_tool(EditorTool_CREWMATES, "Crewmates", "O", SDLK_o, false);
-    register_tool(EditorTool_START_POINT, "Start Point", "P", SDLK_p, false);
+    register_tool(EditorTool_ROOMTEXT, "Roomtext", "R", SDLK_R, false);
+    register_tool(EditorTool_TERMINALS, "Terminals", "T", SDLK_T, false);
+    register_tool(EditorTool_SCRIPTS, "Script Boxes", "Y", SDLK_Y, false);
+    register_tool(EditorTool_WARP_TOKENS, "Warp Tokens", "U", SDLK_U, false);
+    register_tool(EditorTool_WARP_LINES, "Warp Lines", "I", SDLK_I, false);
+    register_tool(EditorTool_CREWMATES, "Crewmates", "O", SDLK_O, false);
+    register_tool(EditorTool_START_POINT, "Start Point", "P", SDLK_P, false);
 
     static const short basic[] = {
         121, 121, 121, 121, 121, 121, 121, 160, 121, 121, 121, 121, 121, 121, 121,
@@ -425,7 +425,7 @@ void editorclass::show_note(const char* text)
     note = text;
 }
 
-void editorclass::register_tool(EditorTools tool, const char* name, const char* keychar, const SDL_KeyCode key, const bool shift)
+void editorclass::register_tool(EditorTools tool, const char* name, const char* keychar, const SDL_Keycode key, const bool shift)
 {
     tool_names[tool] = name;
     tool_key_chars[tool] = keychar;
@@ -1313,35 +1313,35 @@ static void draw_cursor(void)
                 {
                     top_left = false;
                     bottom_left = false;
-                    SDL_RenderDrawLine(gameScreen.m_renderer, x * 8, y * 8, x * 8, y * 8 + 7);
+                    SDL_RenderLine(gameScreen.m_renderer, x * 8, y * 8, x * 8, y * 8 + 7);
                 }
                 if (!check_point(connected, x + 1, y))
                 {
                     top_right = false;
                     bottom_right = false;
-                    SDL_RenderDrawLine(gameScreen.m_renderer, x * 8 + 7, y * 8, x * 8 + 7, y * 8 + 7);
+                    SDL_RenderLine(gameScreen.m_renderer, x * 8 + 7, y * 8, x * 8 + 7, y * 8 + 7);
                 }
                 if (!check_point(connected, x, y - 1))
                 {
                     top_left = false;
                     top_right = false;
-                    SDL_RenderDrawLine(gameScreen.m_renderer, x * 8, y * 8, x * 8 + 7, y * 8);
+                    SDL_RenderLine(gameScreen.m_renderer, x * 8, y * 8, x * 8 + 7, y * 8);
                 }
                 if (!check_point(connected, x, y + 1))
                 {
                     bottom_left = false;
                     bottom_right = false;
-                    SDL_RenderDrawLine(gameScreen.m_renderer, x * 8, y * 8 + 7, x * 8 + 7, y * 8 + 7);
+                    SDL_RenderLine(gameScreen.m_renderer, x * 8, y * 8 + 7, x * 8 + 7, y * 8 + 7);
                 }
 
                 if (!check_point(connected, x - 1, y - 1) && top_left)
-                    SDL_RenderDrawPoint(gameScreen.m_renderer, x * 8, y * 8);
+                    SDL_RenderPoint(gameScreen.m_renderer, x * 8, y * 8);
                 if (!check_point(connected, x - 1, y + 1) && top_right)
-                    SDL_RenderDrawPoint(gameScreen.m_renderer, x * 8, y * 8 + 7);
+                    SDL_RenderPoint(gameScreen.m_renderer, x * 8, y * 8 + 7);
                 if (!check_point(connected, x + 1, y - 1) && bottom_left)
-                    SDL_RenderDrawPoint(gameScreen.m_renderer, x * 8 + 7, y * 8);
+                    SDL_RenderPoint(gameScreen.m_renderer, x * 8 + 7, y * 8);
                 if (!check_point(connected, x + 1, y + 1) && bottom_right)
-                    SDL_RenderDrawPoint(gameScreen.m_renderer, x * 8 + 7, y * 8 + 7);
+                    SDL_RenderPoint(gameScreen.m_renderer, x * 8 + 7, y * 8 + 7);
             }
         }
         else if (ed.b_modifier) graphics.draw_rect(x, 0, 8, 240, blue); // Vertical
@@ -1414,7 +1414,7 @@ static void draw_tile_drawer(int tileset)
         int texturewidth;
         int textureheight;
 
-        if (graphics.query_texture(graphics.grphx.im_tiles, NULL, NULL, &texturewidth, &textureheight) != 0)
+        if (!graphics.query_texture(graphics.grphx.im_tiles, NULL, NULL, &texturewidth, &textureheight))
         {
             return;
         }
@@ -3201,20 +3201,20 @@ static void handle_draw_input()
             }
         }
 
-        if (key.keymap[SDLK_w])
+        if (key.keymap[SDLK_W])
         {
             commit_roomdata_change();
             ed.switch_warpdir(shift_down);
             ed.keydelay = 6;
         }
-        if (key.keymap[SDLK_e])
+        if (key.keymap[SDLK_E])
         {
             commit_roomdata_change();
             ed.keydelay = 6;
             ed.get_input_line(TEXT_ROOMNAME, "Enter new room name:", const_cast<std::string*>(&(cl.getroomprop(ed.levx, ed.levy)->roomname)));
             game.mapheld = true;
         }
-        if (key.keymap[SDLK_g])
+        if (key.keymap[SDLK_G])
         {
             ed.keydelay = 6;
             ed.get_input_line(TEXT_GOTOROOM, "Enter room coordinates x,y:", NULL);
@@ -3222,27 +3222,27 @@ static void handle_draw_input()
         }
 
         //Save and load
-        if (key.keymap[SDLK_s])
+        if (key.keymap[SDLK_S])
         {
             ed.keydelay = 6;
             ed.get_input_line(TEXT_SAVE, "Enter map filename to save as:", &(ed.filename));
             game.mapheld = true;
         }
 
-        if (key.keymap[SDLK_l])
+        if (key.keymap[SDLK_L])
         {
             ed.keydelay = 6;
             ed.get_input_line(TEXT_LOAD, "Enter map filename to load:", &(ed.filename));
             game.mapheld = true;
         }
 
-        ed.f_modifier = key.keymap[SDLK_f];
-        ed.h_modifier = key.keymap[SDLK_h];
-        ed.v_modifier = key.keymap[SDLK_v];
-        ed.b_modifier = key.keymap[SDLK_b];
-        ed.c_modifier = key.keymap[SDLK_c];
-        ed.x_modifier = key.keymap[SDLK_x];
-        ed.z_modifier = key.keymap[SDLK_z];
+        ed.f_modifier = key.keymap[SDLK_F];
+        ed.h_modifier = key.keymap[SDLK_H];
+        ed.v_modifier = key.keymap[SDLK_V];
+        ed.b_modifier = key.keymap[SDLK_B];
+        ed.c_modifier = key.keymap[SDLK_C];
+        ed.x_modifier = key.keymap[SDLK_X];
+        ed.z_modifier = key.keymap[SDLK_Z];
 
         const int room = ed.levx + ed.levy * cl.maxwidth;
         const int plat_speed = cl.roomproperties[room].platv;
@@ -3486,10 +3486,10 @@ void editorinput(void)
     ed.tilex = SDL_clamp(key.mousex, 0, SCREEN_WIDTH_PIXELS - 1) / 8;
     ed.tiley = SDL_clamp(key.mousey, 0, SCREEN_HEIGHT_PIXELS - 1) / 8;
 
-    bool up_pressed = key.isDown(SDLK_UP) || key.isDown(SDL_CONTROLLER_BUTTON_DPAD_UP);
-    bool down_pressed = key.isDown(SDLK_DOWN) || key.isDown(SDL_CONTROLLER_BUTTON_DPAD_DOWN);
-    bool left_pressed = key.isDown(SDLK_LEFT) || key.isDown(SDL_CONTROLLER_BUTTON_DPAD_LEFT);
-    bool right_pressed = key.isDown(SDLK_RIGHT) || key.isDown(SDL_CONTROLLER_BUTTON_DPAD_RIGHT);
+    bool up_pressed = key.isDown(SDLK_UP) || key.isDown(SDL_GAMEPAD_BUTTON_DPAD_UP);
+    bool down_pressed = key.isDown(SDLK_DOWN) || key.isDown(SDL_GAMEPAD_BUTTON_DPAD_DOWN);
+    bool left_pressed = key.isDown(SDLK_LEFT) || key.isDown(SDL_GAMEPAD_BUTTON_DPAD_LEFT);
+    bool right_pressed = key.isDown(SDLK_RIGHT) || key.isDown(SDL_GAMEPAD_BUTTON_DPAD_RIGHT);
 
     game.press_left = false;
     game.press_right = false;
@@ -3516,7 +3516,7 @@ void editorinput(void)
         undo_pressed = true;
     }
 
-    if (key.isDown(SDLK_y) && ctrl_down && (ed.keydelay == 0))
+    if (key.isDown(SDLK_Y) && ctrl_down && (ed.keydelay == 0))
     {
         ed.keydelay = 6;
         redo_pressed = true;
@@ -3604,7 +3604,7 @@ void editorinput(void)
 
                     bool tiles1 = (cl.getroomprop(ed.levx, ed.levy)->tileset == 0);
 
-                    if (graphics.query_texture(tiles1 ? graphics.grphx.im_tiles : graphics.grphx.im_tiles2, NULL, NULL, &texturewidth, &textureheight) != 0)
+                    if (!graphics.query_texture(tiles1 ? graphics.grphx.im_tiles : graphics.grphx.im_tiles2, NULL, NULL, &texturewidth, &textureheight))
                         return;
 
                     const int numtiles = (int)(texturewidth / 8) * (textureheight / 8);
diff --git a/desktop_version/src/Editor.h b/desktop_version/src/Editor.h
index 770ead39..aa2f648b 100644
--- a/desktop_version/src/Editor.h
+++ b/desktop_version/src/Editor.h
@@ -5,7 +5,7 @@
 #include "CustomLevels.h"
 
 #include <map>
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <string>
 #include <vector>
 
@@ -171,7 +171,7 @@ public:
     void register_tilecol(EditorTilesets tileset, int index, const char* foreground_type, int foreground_base, const char* background_type, int background_base, bool direct);
     void register_tilecol(EditorTilesets tileset, int index, const char* foreground_type, int foreground_base, const char* background_type, int background_base);
 
-    void register_tool(EditorTools tool, const char* name, const char* keychar, SDL_KeyCode key, bool shift);
+    void register_tool(EditorTools tool, const char* name, const char* keychar, SDL_Keycode key, bool shift);
 
     void draw_tool(EditorTools tool, int x, int y);
 
@@ -230,7 +230,7 @@ public:
 
     const char* tool_names[NUM_EditorTools];
     const char* tool_key_chars[NUM_EditorTools];
-    SDL_KeyCode tool_keys[NUM_EditorTools];
+    SDL_Keycode tool_keys[NUM_EditorTools];
     bool tool_requires_shift[NUM_EditorTools];
 
     EditorTools current_tool;
diff --git a/desktop_version/src/Ent.h b/desktop_version/src/Ent.h
index 3e375a53..18e7ee14 100644
--- a/desktop_version/src/Ent.h
+++ b/desktop_version/src/Ent.h
@@ -1,7 +1,7 @@
 #ifndef ENT_H
 #define ENT_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 #define        rn( rx,  ry) ((rx) + ((ry) * 100))
 
diff --git a/desktop_version/src/Entity.cpp b/desktop_version/src/Entity.cpp
index a1d5fc30..e38f560c 100644
--- a/desktop_version/src/Entity.cpp
+++ b/desktop_version/src/Entity.cpp
@@ -1,7 +1,7 @@
 #define OBJ_DEFINITION
 #include "Entity.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 #include "CustomLevels.h"
 #include "Font.h"
diff --git a/desktop_version/src/Entity.h b/desktop_version/src/Entity.h
index 25197a5e..da275ad8 100644
--- a/desktop_version/src/Entity.h
+++ b/desktop_version/src/Entity.h
@@ -1,7 +1,7 @@
 #ifndef ENTITY_H
 #define ENTITY_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <string>
 #include <vector>
 
diff --git a/desktop_version/src/Exit.h b/desktop_version/src/Exit.h
index a80a3a0d..4afaad61 100644
--- a/desktop_version/src/Exit.h
+++ b/desktop_version/src/Exit.h
@@ -1,7 +1,7 @@
 #ifndef VVV_EXIT_H
 #define VVV_EXIT_H
 
-#include <SDL_stdinc.h>
+#include <SDL3/SDL_stdinc.h>
 
 SDL_NORETURN void VVV_exit(const int exit_code);
 
diff --git a/desktop_version/src/FileSystemUtils.cpp b/desktop_version/src/FileSystemUtils.cpp
index 33951c27..f4d1adb8 100644
--- a/desktop_version/src/FileSystemUtils.cpp
+++ b/desktop_version/src/FileSystemUtils.cpp
@@ -1,8 +1,8 @@
 #include "FileSystemUtils.h"
 
 #include <physfs.h>
-#include <physfsrwops.h>
-#include <SDL.h>
+#include <physfssdl3.h>
+#include <SDL3/SDL.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <tinyxml2.h>
@@ -31,12 +31,12 @@ static int mkdir(char* path, int mode)
     MultiByteToWideChar(CP_UTF8, 0, path, -1, utf16_path, MAX_PATH);
     return CreateDirectoryW(utf16_path, NULL);
 }
-#elif defined(__EMSCRIPTEN__)
+#elif defined(SDL_PLATFORM_EMSCRIPTEN)
 #include <limits.h>
 #include <sys/stat.h>
 #include <emscripten.h>
 #define MAX_PATH PATH_MAX
-#elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__HAIKU__) || defined(__DragonFly__) || defined(__unix__)
+#elif defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_APPLE) || defined(SDL_PLATFORM_FREEBSD) || defined(SDL_PLATFORM_OPENBSD) || defined(SDL_PLATFORM_HAIKU) || defined(__DragonFly__) || defined(SDL_PLATFORM_UNI)
 #include <limits.h>
 #include <sys/stat.h>
 #define MAX_PATH PATH_MAX
@@ -45,7 +45,7 @@ static int mkdir(char* path, int mode)
 static bool isInit = false;
 
 static const char* pathSep = NULL;
-static char* basePath = NULL;
+static const char* basePath = NULL;
 static char writeDir[MAX_PATH] = {'\0'};
 static char saveDir[MAX_PATH] = {'\0'};
 static char levelDir[MAX_PATH] = {'\0'};
@@ -78,7 +78,7 @@ static const PHYSFS_Allocator allocator = {
     SDL_free
 };
 
-#ifndef __ANDROID__
+#ifndef SDL_PLATFORM_ANDROID
 static bool mount_pre_datazip(
     char* out_path,
     const char* real_dirname,
@@ -188,10 +188,10 @@ int FILESYSTEM_init(char *argvZero, char* baseDir, char *assetsPath, char* langD
     PHYSFS_setAllocator(&allocator);
 
     // Yes, this is actually how you're supposed to use PhysFS on Android.
-#ifdef __ANDROID__
+#ifdef SDL_PLATFORM_ANDROID
     PHYSFS_AndroidInit androidInit;
-    androidInit.jnienv = SDL_AndroidGetJNIEnv();
-    androidInit.context = SDL_AndroidGetActivity();
+    androidInit.jnienv = SDL_GetAndroidJNIEnv();
+    androidInit.context = SDL_GetAndroidActivity();
     argvZero = (char*) &androidInit;
 #endif
 
@@ -292,7 +292,7 @@ int FILESYSTEM_init(char *argvZero, char* baseDir, char *assetsPath, char* langD
         basePath = SDL_strdup("./");
     }
 
-#ifdef __ANDROID__
+#ifdef SDL_PLATFORM_ANDROID
     // This is kind of a mess, but that's not really solvable unless we expect the user to download the data.zip manually.
     if (!PHYSFS_mount(PHYSFS_getBaseDir(), "/apk", 1))
     {
@@ -348,10 +348,10 @@ int FILESYSTEM_init(char *argvZero, char* baseDir, char *assetsPath, char* langD
         SDL_MessageBoxButtonData buttons[2];
         buttons[0].flags = SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT;
         buttons[0].flags |= SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT;
-        buttons[0].buttonid = 0;
+        buttons[0].buttonID = 0;
         buttons[0].text = "OK";
         buttons[1].flags = 0;
-        buttons[1].buttonid = 1;
+        buttons[1].buttonID = 1;
         buttons[1].text = "Open Download Page";
         messagebox.buttons = buttons;
         messagebox.colorScheme = NULL;
@@ -368,7 +368,7 @@ int FILESYSTEM_init(char *argvZero, char* baseDir, char *assetsPath, char* langD
     }
 
     SDL_snprintf(output, sizeof(output), "%s%s", basePath, "gamecontrollerdb.txt");
-    if (SDL_GameControllerAddMappingsFromFile(output) < 0)
+    if (SDL_AddGamepadMappingsFromFile(output) < 0)
     {
         vlog_info("gamecontrollerdb.txt not found!");
     }
@@ -392,7 +392,6 @@ void FILESYSTEM_deinit(void)
         PHYSFS_deinit();
     }
     VVV_free(stdin_buffer);
-    VVV_free(basePath);
     isInit = false;
 }
 
@@ -960,12 +959,12 @@ fail:
     }
 }
 
-SDL_RWops* FILESYSTEM_loadAssetRWops(const char* name)
+SDL_IOStream* FILESYSTEM_loadAssetRWops(const char* name)
 {
     char path[MAX_PATH];
 
     getMountedPath(path, sizeof(path), name);
-    return PHYSFSRWOPS_openRead(path);
+    return PHYSFSSDL3_openRead(path);
 }
 
 void FILESYSTEM_loadAssetToMemory(
@@ -1120,7 +1119,7 @@ bool FILESYSTEM_saveTiXml2Document(const char *name, tinyxml2::XMLDocument& doc,
     PHYSFS_writeBytes(handle, printer.CStr(), printer.CStrSize() - 1); // subtract one because CStrSize includes terminating null
     PHYSFS_close(handle);
 
-#ifdef __EMSCRIPTEN__
+#ifdef SDL_PLATFORM_EMSCRIPTEN
     if (sync)
     {
         EM_ASM(FS.syncfs(false, function(err)
@@ -1348,8 +1347,8 @@ static int PLATFORM_getOSDirectory(char* output, const size_t output_size)
     SDL_strlcat(output, "\\VVVVVV\\", MAX_PATH);
     mkdir(output, 0777);
     return 1;
-#elif defined(__ANDROID__)
-    const char* externalStoragePath = SDL_AndroidGetExternalStoragePath();
+#elif defined(SDL_PLATFORM_ANDROID)
+    const char* externalStoragePath = SDL_GetAndroidExternalStoragePath();
     if (externalStoragePath == NULL)
     {
         vlog_error(
@@ -1393,7 +1392,7 @@ bool FILESYSTEM_openDirectoryEnabled(void)
     return !gameScreen.isForcedFullscreen();
 }
 
-#if defined(__EMSCRIPTEN__)
+#if defined(SDL_PLATFORM_EMSCRIPTEN)
 bool FILESYSTEM_openDirectory(const char *dname)
 {
     return false;
@@ -1403,7 +1402,7 @@ bool FILESYSTEM_openDirectory(const char *dname)
 {
     char url[MAX_PATH];
     SDL_snprintf(url, sizeof(url), "file://%s", dname);
-    if (SDL_OpenURL(url) == -1)
+    if (!SDL_OpenURL(url))
     {
         vlog_error("Error opening directory: %s", SDL_GetError());
         return false;
diff --git a/desktop_version/src/FileSystemUtils.h b/desktop_version/src/FileSystemUtils.h
index ccd8a072..39b8cde8 100644
--- a/desktop_version/src/FileSystemUtils.h
+++ b/desktop_version/src/FileSystemUtils.h
@@ -5,7 +5,7 @@
 class binaryBlob;
 
 #include <stddef.h>
-#include <SDL_rwops.h>
+#include <SDL3/SDL.h>
 
 // Forward declaration, including the entirety of tinyxml2.h across all files this file is included in is unnecessary
 namespace tinyxml2 { class XMLDocument; }
@@ -37,7 +37,7 @@ bool FILESYSTEM_saveFile(const char* name, const unsigned char* data, size_t len
 void FILESYSTEM_loadFileToMemory(const char *name, unsigned char **mem,
                                  size_t *len);
 
-SDL_RWops* FILESYSTEM_loadAssetRWops(const char* name);
+SDL_IOStream* FILESYSTEM_loadAssetRWops(const char* name);
 void FILESYSTEM_loadAssetToMemory(
     const char* name,
     unsigned char** mem,
diff --git a/desktop_version/src/Font.cpp b/desktop_version/src/Font.cpp
index a8af8e1d..c63fde32 100644
--- a/desktop_version/src/Font.cpp
+++ b/desktop_version/src/Font.cpp
@@ -438,7 +438,7 @@ static uint8_t load_font(FontContainer* container, const char* name)
                 add_glyphinfo(f, codepoint, codepoint);
             }
 
-            VVV_freefunc(SDL_FreeSurface, temp_surface);
+            VVV_freefunc(SDL_DestroySurface, temp_surface);
         }
     }
 
diff --git a/desktop_version/src/Font.h b/desktop_version/src/Font.h
index 74de6d2d..b4fbb46f 100644
--- a/desktop_version/src/Font.h
+++ b/desktop_version/src/Font.h
@@ -26,7 +26,7 @@
 #ifndef FONT_H
 #define FONT_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <stdint.h>
 #include <string>
 
diff --git a/desktop_version/src/FontBidi.cpp b/desktop_version/src/FontBidi.cpp
index 6f09b3fe..4631e622 100644
--- a/desktop_version/src/FontBidi.cpp
+++ b/desktop_version/src/FontBidi.cpp
@@ -1,6 +1,6 @@
 #include "FontBidi.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <SheenBidi/SheenBidi.h>
 
 #include "Alloc.h"
diff --git a/desktop_version/src/Game.cpp b/desktop_version/src/Game.cpp
index 0cf6c6dc..253ef4dd 100644
--- a/desktop_version/src/Game.cpp
+++ b/desktop_version/src/Game.cpp
@@ -34,76 +34,76 @@
 #include "Vlogging.h"
 #include "XMLUtils.h"
 
-static bool GetButtonFromString(const char *pText, SDL_GameControllerButton *button)
+static bool GetButtonFromString(const char *pText, SDL_GamepadButton *button)
 {
     if (*pText == '0' ||
         *pText == 'a' ||
         *pText == 'A')
     {
-        *button = SDL_CONTROLLER_BUTTON_A;
+        *button = SDL_GAMEPAD_BUTTON_SOUTH;
         return true;
     }
     if (SDL_strcmp(pText, "1") == 0 ||
         *pText == 'b' ||
         *pText == 'B')
     {
-        *button = SDL_CONTROLLER_BUTTON_B;
+        *button = SDL_GAMEPAD_BUTTON_EAST;
         return true;
     }
     if (*pText == '2' ||
         *pText == 'x' ||
         *pText == 'X')
     {
-        *button = SDL_CONTROLLER_BUTTON_X;
+        *button = SDL_GAMEPAD_BUTTON_WEST;
         return true;
     }
     if (*pText == '3' ||
         *pText == 'y' ||
         *pText == 'Y')
     {
-        *button = SDL_CONTROLLER_BUTTON_Y;
+        *button = SDL_GAMEPAD_BUTTON_NORTH;
         return true;
     }
     if (*pText == '4' ||
         SDL_strcasecmp(pText, "BACK") == 0)
     {
-        *button = SDL_CONTROLLER_BUTTON_BACK;
+        *button = SDL_GAMEPAD_BUTTON_BACK;
         return true;
     }
     if (*pText == '5' ||
         SDL_strcasecmp(pText, "GUIDE") == 0)
     {
-        *button = SDL_CONTROLLER_BUTTON_GUIDE;
+        *button = SDL_GAMEPAD_BUTTON_GUIDE;
         return true;
     }
     if (*pText == '6' ||
         SDL_strcasecmp(pText, "START") == 0)
     {
-        *button = SDL_CONTROLLER_BUTTON_START;
+        *button = SDL_GAMEPAD_BUTTON_START;
         return true;
     }
     if (*pText == '7' ||
         SDL_strcasecmp(pText, "LS") == 0)
     {
-        *button = SDL_CONTROLLER_BUTTON_LEFTSTICK;
+        *button = SDL_GAMEPAD_BUTTON_LEFT_STICK;
         return true;
     }
     if (*pText == '8' ||
         SDL_strcasecmp(pText, "RS") == 0)
     {
-        *button = SDL_CONTROLLER_BUTTON_RIGHTSTICK;
+        *button = SDL_GAMEPAD_BUTTON_RIGHT_STICK;
         return true;
     }
     if (*pText == '9' ||
         SDL_strcasecmp(pText, "LB") == 0)
     {
-        *button = SDL_CONTROLLER_BUTTON_LEFTSHOULDER;
+        *button = SDL_GAMEPAD_BUTTON_LEFT_SHOULDER;
         return true;
     }
     if (SDL_strcmp(pText, "10") == 0 ||
         SDL_strcasecmp(pText, "RB") == 0)
     {
-        *button = SDL_CONTROLLER_BUTTON_RIGHTSHOULDER;
+        *button = SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER;
         return true;
     }
     return false;
@@ -254,7 +254,7 @@ void Game::init(void)
     levelpage=0;
     playcustomlevel=0;
 
-    gpmenu_lastbutton = SDL_CONTROLLER_BUTTON_INVALID;
+    gpmenu_lastbutton = SDL_GAMEPAD_BUTTON_INVALID;
     gpmenu_confirming = false;
     gpmenu_showremove = false;
 
@@ -381,7 +381,7 @@ void Game::init(void)
     screenshot_border_timer = 0;
     screenshot_saved_success = false;
 
-#if defined(__ANDROID__) || TARGET_OS_IPHONE
+#if defined(SDL_PLATFORM_ANDROID) || TARGET_OS_IPHONE
     checkpoint_saving = true;
 #else
     checkpoint_saving = false;
@@ -394,23 +394,23 @@ void Game::setdefaultcontrollerbuttons(void)
 {
     if (controllerButton_flip.size() < 1)
     {
-        controllerButton_flip.push_back(SDL_CONTROLLER_BUTTON_A);
+        controllerButton_flip.push_back(SDL_GAMEPAD_BUTTON_SOUTH);
     }
     if (controllerButton_map.size() < 1)
     {
-        controllerButton_map.push_back(SDL_CONTROLLER_BUTTON_Y);
+        controllerButton_map.push_back(SDL_GAMEPAD_BUTTON_NORTH);
     }
     if (controllerButton_esc.size() < 1)
     {
-        controllerButton_esc.push_back(SDL_CONTROLLER_BUTTON_B);
+        controllerButton_esc.push_back(SDL_GAMEPAD_BUTTON_EAST);
     }
     if (controllerButton_restart.size() < 1)
     {
-        controllerButton_restart.push_back(SDL_CONTROLLER_BUTTON_RIGHTSHOULDER);
+        controllerButton_restart.push_back(SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER);
     }
     if (controllerButton_interact.size() < 1)
     {
-        controllerButton_interact.push_back(SDL_CONTROLLER_BUTTON_X);
+        controllerButton_interact.push_back(SDL_GAMEPAD_BUTTON_WEST);
     }
 
     /* If one of the arrays was empty, and others weren't, we might now have conflicts...
@@ -4898,7 +4898,7 @@ void Game::deserializesettings(tinyxml2::XMLElement* dataNode, struct ScreenSett
 
         if (SDL_strcmp(pKey, "flipButton") == 0)
         {
-            SDL_GameControllerButton newButton;
+            SDL_GamepadButton newButton;
             if (GetButtonFromString(pText, &newButton))
             {
                 controllerButton_flip.push_back(newButton);
@@ -4907,7 +4907,7 @@ void Game::deserializesettings(tinyxml2::XMLElement* dataNode, struct ScreenSett
 
         if (SDL_strcmp(pKey, "enterButton") == 0)
         {
-            SDL_GameControllerButton newButton;
+            SDL_GamepadButton newButton;
             if (GetButtonFromString(pText, &newButton))
             {
                 controllerButton_map.push_back(newButton);
@@ -4916,7 +4916,7 @@ void Game::deserializesettings(tinyxml2::XMLElement* dataNode, struct ScreenSett
 
         if (SDL_strcmp(pKey, "escButton") == 0)
         {
-            SDL_GameControllerButton newButton;
+            SDL_GamepadButton newButton;
             if (GetButtonFromString(pText, &newButton))
             {
                 controllerButton_esc.push_back(newButton);
@@ -4925,7 +4925,7 @@ void Game::deserializesettings(tinyxml2::XMLElement* dataNode, struct ScreenSett
 
         if (SDL_strcmp(pKey, "restartButton") == 0)
         {
-            SDL_GameControllerButton newButton;
+            SDL_GamepadButton newButton;
             if (GetButtonFromString(pText, &newButton))
             {
                 controllerButton_restart.push_back(newButton);
@@ -4934,7 +4934,7 @@ void Game::deserializesettings(tinyxml2::XMLElement* dataNode, struct ScreenSett
 
         if (SDL_strcmp(pKey, "interactButton") == 0)
         {
-            SDL_GameControllerButton newButton;
+            SDL_GamepadButton newButton;
             if (GetButtonFromString(pText, &newButton))
             {
                 controllerButton_interact.push_back(newButton);
@@ -7985,7 +7985,7 @@ int Game::get_timestep(void)
     if ((gamestate == GAMEMODE || (gamestate == TELEPORTERMODE && !useteleporter)) &&
     level_debugger::is_active() &&
     !level_debugger::is_pausing() &&
-    key.isDown(SDLK_f))
+    key.isDown(SDLK_F))
     {
         return 1;
     }
diff --git a/desktop_version/src/Game.h b/desktop_version/src/Game.h
index b053d1b4..eca76d16 100644
--- a/desktop_version/src/Game.h
+++ b/desktop_version/src/Game.h
@@ -1,7 +1,7 @@
 #ifndef GAME_H
 #define GAME_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <map>
 #include <string>
 #include <vector>
@@ -404,7 +404,7 @@ public:
     int creditposx, creditposy, creditposdelay;
     int oldcreditposx;
 
-    SDL_GameControllerButton gpmenu_lastbutton;
+    SDL_GamepadButton gpmenu_lastbutton;
     bool gpmenu_confirming;
     bool gpmenu_showremove;
 
@@ -547,11 +547,11 @@ public:
     std::map<std::string, int> customlevelstats;
 
 
-    std::vector<SDL_GameControllerButton> controllerButton_map;
-    std::vector<SDL_GameControllerButton> controllerButton_flip;
-    std::vector<SDL_GameControllerButton> controllerButton_esc;
-    std::vector<SDL_GameControllerButton> controllerButton_restart;
-    std::vector<SDL_GameControllerButton> controllerButton_interact;
+    std::vector<SDL_GamepadButton> controllerButton_map;
+    std::vector<SDL_GamepadButton> controllerButton_flip;
+    std::vector<SDL_GamepadButton> controllerButton_esc;
+    std::vector<SDL_GamepadButton> controllerButton_restart;
+    std::vector<SDL_GamepadButton> controllerButton_interact;
 
     bool skipfakeload;
     bool ghostsenabled;
diff --git a/desktop_version/src/GlitchrunnerMode.c b/desktop_version/src/GlitchrunnerMode.c
index e1c99d31..80780f42 100644
--- a/desktop_version/src/GlitchrunnerMode.c
+++ b/desktop_version/src/GlitchrunnerMode.c
@@ -1,7 +1,7 @@
 #include "GlitchrunnerMode.h"
 
-#include <SDL_assert.h>
-#include <SDL_stdinc.h>
+#include <SDL3/SDL_assert.h>
+#include <SDL3/SDL_stdinc.h>
 
 #define LOOKUP_TABLE \
     FOREACH_ENUM(GlitchrunnerNone, "") \
diff --git a/desktop_version/src/Graphics.cpp b/desktop_version/src/Graphics.cpp
index 6df6c6f7..1a09dbe9 100644
--- a/desktop_version/src/Graphics.cpp
+++ b/desktop_version/src/Graphics.cpp
@@ -1,7 +1,7 @@
 #define GRAPHICS_DEFINITION
 #include "Graphics.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 #include "Alloc.h"
 #include "Constants.h"
@@ -157,7 +157,7 @@ void Graphics::destroy(void)
 #define CLEAR_ARRAY(name) \
     for (size_t i = 0; i < name.size(); i += 1) \
     { \
-        VVV_freefunc(SDL_FreeSurface, name[i]); \
+        VVV_freefunc(SDL_DestroySurface, name[i]); \
     } \
     name.clear();
 
@@ -200,12 +200,12 @@ void Graphics::create_buffers(void)
 
     SDL_SetTextureScaleMode(
         gameTexture,
-        gameScreen.isFiltered ? SDL_ScaleModeLinear : SDL_ScaleModeNearest
+        gameScreen.isFiltered ? SDL_SCALEMODE_LINEAR : SDL_SCALEMODE_NEAREST
     );
 
     SDL_SetTextureScaleMode(
         tempShakeTexture,
-        gameScreen.isFiltered ? SDL_ScaleModeLinear : SDL_ScaleModeNearest
+        gameScreen.isFiltered ? SDL_SCALEMODE_LINEAR : SDL_SCALEMODE_NEAREST
     );
 }
 
@@ -221,10 +221,10 @@ void Graphics::destroy_buffers(void)
     VVV_freefunc(SDL_DestroyTexture, tempScrollingTexture);
     VVV_freefunc(SDL_DestroyTexture, towerbg.texture);
     VVV_freefunc(SDL_DestroyTexture, titlebg.texture);
-    VVV_freefunc(SDL_FreeSurface, tempFilterSrc);
-    VVV_freefunc(SDL_FreeSurface, tempFilterDest);
-    VVV_freefunc(SDL_FreeSurface, tempScreenshot);
-    VVV_freefunc(SDL_FreeSurface, tempScreenshot2x);
+    VVV_freefunc(SDL_DestroySurface, tempFilterSrc);
+    VVV_freefunc(SDL_DestroySurface, tempFilterDest);
+    VVV_freefunc(SDL_DestroySurface, tempScreenshot);
+    VVV_freefunc(SDL_DestroySurface, tempScreenshot2x);
 }
 
 void Graphics::drawspritesetcol(int x, int y, int t, int c)
@@ -446,79 +446,98 @@ void Graphics::print_level_creator(
     font::print(print_flags, text_x, y, creator, r, g, b);
 }
 
-int Graphics::set_render_target(SDL_Texture* texture)
+bool Graphics::set_render_target(SDL_Texture* texture)
 {
-    const int result = SDL_SetRenderTarget(gameScreen.m_renderer, texture);
-    if (result != 0)
+    const bool result = SDL_SetRenderTarget(gameScreen.m_renderer, texture);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not set render target: %s", SDL_GetError()));
     }
     return result;
 }
 
-int Graphics::set_texture_color_mod(SDL_Texture* texture, const Uint8 r, const Uint8 g, const Uint8 b)
+bool Graphics::set_texture_color_mod(SDL_Texture* texture, const Uint8 r, const Uint8 g, const Uint8 b)
 {
-    const int result = SDL_SetTextureColorMod(texture, r, g, b);
-    if (result != 0)
+    const bool result = SDL_SetTextureColorMod(texture, r, g, b);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not set texture color mod: %s", SDL_GetError()));
     }
     return result;
 }
 
-int Graphics::set_texture_alpha_mod(SDL_Texture* texture, const Uint8 alpha)
+bool Graphics::set_texture_alpha_mod(SDL_Texture* texture, const Uint8 alpha)
 {
-    const int result = SDL_SetTextureAlphaMod(texture, alpha);
-    if (result != 0)
+    const bool result = SDL_SetTextureAlphaMod(texture, alpha);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not set texture alpha mod: %s", SDL_GetError()));
     }
     return result;
 }
 
-int Graphics::query_texture(SDL_Texture* texture, Uint32* format, int* access, int* w, int* h)
+bool Graphics::query_texture(SDL_Texture* texture, Uint32* format, int* access, int* w, int* h)
 {
-    const int result = SDL_QueryTexture(texture, format, access, w, h);
-    if (result != 0)
+    SDL_PropertiesID props = SDL_GetTextureProperties(texture);
+
+    if (props == 0)
     {
         WHINE_ONCE_ARGS(("Could not query texture: %s", SDL_GetError()));
+        return false;
     }
-    return result;
+
+    if (format) {
+        *format =  SDL_GetNumberProperty(props, SDL_PROP_TEXTURE_FORMAT_NUMBER, 0);
+    }
+
+    if (access) {
+        *access = SDL_GetNumberProperty(props, SDL_PROP_TEXTURE_ACCESS_NUMBER, 0);
+    }
+
+    if (w) {
+        *w = SDL_GetNumberProperty(props, SDL_PROP_TEXTURE_WIDTH_NUMBER, 0);
+    }
+
+    if (h) {
+        *h = SDL_GetNumberProperty(props, SDL_PROP_TEXTURE_HEIGHT_NUMBER, 0);
+    }
+
+    return true;
 }
 
-int Graphics::set_blendmode(const SDL_BlendMode blendmode)
+bool Graphics::set_blendmode(const SDL_BlendMode blendmode)
 {
-    const int result = SDL_SetRenderDrawBlendMode(gameScreen.m_renderer, blendmode);
-    if (result != 0)
+    const bool result = SDL_SetRenderDrawBlendMode(gameScreen.m_renderer, blendmode);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not set draw mode: %s", SDL_GetError()));
     }
     return result;
 }
 
-int Graphics::set_blendmode(SDL_Texture* texture, const SDL_BlendMode blendmode)
+bool Graphics::set_blendmode(SDL_Texture* texture, const SDL_BlendMode blendmode)
 {
-    const int result = SDL_SetTextureBlendMode(texture, blendmode);
-    if (result != 0)
+    const bool result = SDL_SetTextureBlendMode(texture, blendmode);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not set texture blend mode: %s", SDL_GetError()));
     }
     return result;
 }
 
-int Graphics::clear(const int r, const int g, const int b, const int a)
+bool Graphics::clear(const int r, const int g, const int b, const int a)
 {
     set_color(r, g, b, a);
 
-    const int result = SDL_RenderClear(gameScreen.m_renderer);
-    if (result != 0)
+    const bool result = SDL_RenderClear(gameScreen.m_renderer);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not clear current render target: %s", SDL_GetError()));
     }
     return result;
 }
 
-int Graphics::clear(void)
+bool Graphics::clear(void)
 {
     return clear(0, 0, 0, 255);
 }
@@ -566,12 +585,12 @@ void Graphics::post_substitute(SDL_Texture* subst)
     set_texture_alpha_mod(subst, 255);
 }
 
-int Graphics::copy_texture(SDL_Texture* texture, const SDL_Rect* src, const SDL_Rect* dest)
+bool Graphics::copy_texture(SDL_Texture* texture, const SDL_FRect* src, const SDL_FRect* dest)
 {
     bool is_substituted = substitute(&texture);
 
-    const int result = SDL_RenderCopy(gameScreen.m_renderer, texture, src, dest);
-    if (result != 0)
+    const bool result = SDL_RenderTexture(gameScreen.m_renderer, texture, src, dest);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not copy texture: %s", SDL_GetError()));
     }
@@ -584,12 +603,12 @@ int Graphics::copy_texture(SDL_Texture* texture, const SDL_Rect* src, const SDL_
     return result;
 }
 
-int Graphics::copy_texture(SDL_Texture* texture, const SDL_Rect* src, const SDL_Rect* dest, const double angle, const SDL_Point* center, const SDL_RendererFlip flip)
+bool Graphics::copy_texture(SDL_Texture* texture, const SDL_FRect* src, const SDL_FRect* dest, const double angle, const SDL_FPoint* center, const SDL_FlipMode flip)
 {
     bool is_substituted = substitute(&texture);
 
-    const int result = SDL_RenderCopyEx(gameScreen.m_renderer, texture, src, dest, angle, center, flip);
-    if (result != 0)
+    const bool result = SDL_RenderTextureRotated(gameScreen.m_renderer, texture, src, dest, angle, center, flip);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not copy texture: %s", SDL_GetError()));
     }
@@ -602,141 +621,151 @@ int Graphics::copy_texture(SDL_Texture* texture, const SDL_Rect* src, const SDL_
     return result;
 }
 
-int Graphics::set_color(const Uint8 r, const Uint8 g, const Uint8 b, const Uint8 a)
+bool Graphics::set_color(const Uint8 r, const Uint8 g, const Uint8 b, const Uint8 a)
 {
-    const int result = SDL_SetRenderDrawColor(gameScreen.m_renderer, r, g, b, a);
-    if (result != 0)
+    const bool result = SDL_SetRenderDrawColor(gameScreen.m_renderer, r, g, b, a);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not set draw color: %s", SDL_GetError()));
     }
     return result;
 }
 
-int Graphics::set_color(const Uint8 r, const Uint8 g, const Uint8 b)
+bool Graphics::set_color(const Uint8 r, const Uint8 g, const Uint8 b)
 {
     return set_color(r, g, b, 255);
 }
 
-int Graphics::set_color(const SDL_Color color)
+bool Graphics::set_color(const SDL_Color color)
 {
     return set_color(color.r, color.g, color.b, color.a);
 }
 
-int Graphics::fill_rect(const SDL_Rect* rect)
+bool Graphics::fill_rect(const SDL_FRect* rect)
 {
-    const int result = SDL_RenderFillRect(gameScreen.m_renderer, rect);
-    if (result != 0)
+    const bool result = SDL_RenderFillRect(gameScreen.m_renderer, rect);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not draw filled rectangle: %s", SDL_GetError()));
     }
     return result;
 }
 
-int Graphics::fill_rect(const SDL_Rect* rect, const int r, const int g, const int b, const int a)
+bool Graphics::fill_rect(const SDL_FRect* rect, const int r, const int g, const int b, const int a)
 {
     set_color(r, g, b, a);
     return fill_rect(rect);
 }
 
-int Graphics::fill_rect(const SDL_Rect* rect, const int r, const int g, const int b)
+bool Graphics::fill_rect(const SDL_FRect* rect, const int r, const int g, const int b)
 {
     return fill_rect(rect, r, g, b, 255);
 }
 
-int Graphics::fill_rect(const int r, const int g, const int b)
+bool Graphics::fill_rect(const int r, const int g, const int b)
 {
     return fill_rect(NULL, r, g, b, 255);
 }
 
-int Graphics::fill_rect(const SDL_Rect* rect, const SDL_Color color)
+bool Graphics::fill_rect(const SDL_FRect* rect, const SDL_Color color)
 {
     return fill_rect(rect, color.r, color.g, color.b, color.a);
 }
 
-int Graphics::fill_rect(const int x, const int y, const int w, const int h, const int r, const int g, const int b, const int a)
+bool Graphics::fill_rect(const int x, const int y, const int w, const int h, const int r, const int g, const int b, const int a)
 {
-    const SDL_Rect rect = {x, y, w, h};
+    const SDL_FRect rect = {
+        static_cast<float>(x),
+        static_cast<float>(y),
+        static_cast<float>(w),
+        static_cast<float>(h)
+    };
     return fill_rect(&rect, r, g, b, a);
 }
 
-int Graphics::fill_rect(const int x, const int y, const int w, const int h, const int r, const int g, const int b)
+bool Graphics::fill_rect(const int x, const int y, const int w, const int h, const int r, const int g, const int b)
 {
     return fill_rect(x, y, w, h, r, g, b, 255);
 }
 
-int Graphics::fill_rect(const SDL_Color color)
+bool Graphics::fill_rect(const SDL_Color color)
 {
     return fill_rect(NULL, color);
 }
 
-int Graphics::fill_rect(const int x, const int y, const int w, const int h, const SDL_Color color)
+bool Graphics::fill_rect(const int x, const int y, const int w, const int h, const SDL_Color color)
 {
     return fill_rect(x, y, w, h, color.r, color.g, color.b, color.a);
 }
 
-int Graphics::draw_rect(const SDL_Rect* rect)
+bool Graphics::draw_rect(const SDL_FRect* rect)
 {
-    const int result = SDL_RenderDrawRect(gameScreen.m_renderer, rect);
-    if (result != 0)
+    const bool result = SDL_RenderRect(gameScreen.m_renderer, rect);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not draw rectangle: %s", SDL_GetError()));
     }
     return result;
 }
 
-int Graphics::draw_rect(const SDL_Rect* rect, const int r, const int g, const int b, const int a)
+bool Graphics::draw_rect(const SDL_FRect* rect, const int r, const int g, const int b, const int a)
 {
     set_color(r, g, b, a);
     return draw_rect(rect);
 }
 
-int Graphics::draw_rect(const SDL_Rect* rect, const int r, const int g, const int b)
+bool Graphics::draw_rect(const SDL_FRect* rect, const int r, const int g, const int b)
 {
     return draw_rect(rect, r, g, b, 255);
 }
 
-int Graphics::draw_rect(const SDL_Rect* rect, const SDL_Color color)
+bool Graphics::draw_rect(const SDL_FRect* rect, const SDL_Color color)
 {
     return draw_rect(rect, color.r, color.g, color.b, color.a);
 }
 
-int Graphics::draw_rect(const int x, const int y, const int w, const int h, const int r, const int g, const int b, const int a)
+bool Graphics::draw_rect(const int x, const int y, const int w, const int h, const int r, const int g, const int b, const int a)
 {
-    const SDL_Rect rect = {x, y, w, h};
+    const SDL_FRect rect = {
+        static_cast<float>(x),
+        static_cast<float>(y),
+        static_cast<float>(w),
+        static_cast<float>(h)
+    };
     return draw_rect(&rect, r, g, b, a);
 }
 
-int Graphics::draw_rect(const int x, const int y, const int w, const int h, const int r, const int g, const int b)
+bool Graphics::draw_rect(const int x, const int y, const int w, const int h, const int r, const int g, const int b)
 {
     return draw_rect(x, y, w, h, r, g, b, 255);
 }
 
-int Graphics::draw_rect(const int x, const int y, const int w, const int h, const SDL_Color color)
+bool Graphics::draw_rect(const int x, const int y, const int w, const int h, const SDL_Color color)
 {
     return draw_rect(x, y, w, h, color.r, color.g, color.b, color.a);
 }
 
-int Graphics::draw_line(const int x, const int y, const int x2, const int y2)
+bool Graphics::draw_line(const int x, const int y, const int x2, const int y2)
 {
-    const int result = SDL_RenderDrawLine(gameScreen.m_renderer, x, y, x2, y2);
-    if (result != 0)
+    const bool result = SDL_RenderLine(gameScreen.m_renderer, x, y, x2, y2);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not draw line: %s", SDL_GetError()));
     }
     return result;
 }
 
-int Graphics::draw_points(const SDL_Point* points, const int count)
+bool Graphics::draw_points(const SDL_FPoint* points, const int count)
 {
-    const int result = SDL_RenderDrawPoints(gameScreen.m_renderer, points, count);
-    if (result != 0)
+    const bool result = SDL_RenderPoints(gameScreen.m_renderer, points, count);
+    if (!result)
     {
         WHINE_ONCE_ARGS(("Could not draw points: %s", SDL_GetError()));
     }
     return result;
 }
 
-int Graphics::draw_points(const SDL_Point* points, const int count, const int r, const int g, const int b)
+bool Graphics::draw_points(const SDL_FPoint* points, const int count, const int r, const int g, const int b)
 {
     set_color(r, g, b);
     return draw_points(points, count);
@@ -761,10 +790,20 @@ void Graphics::scroll_texture(SDL_Texture* texture, SDL_Texture* temp, const int
 {
     SDL_Texture* target = SDL_GetRenderTarget(gameScreen.m_renderer);
     SDL_Rect texture_rect = {0, 0, 0, 0};
-    SDL_QueryTexture(texture, NULL, NULL, &texture_rect.w, &texture_rect.h);
+    query_texture(texture, NULL, NULL, &texture_rect.w, &texture_rect.h);
 
-    const SDL_Rect src = {0, 0, texture_rect.w, texture_rect.h};
-    const SDL_Rect dest = {x, y, texture_rect.w, texture_rect.h};
+    const SDL_FRect src = {
+        0.0f,
+        0.0f,
+        static_cast<float>(texture_rect.w),
+        static_cast<float>(texture_rect.h)
+    };
+    const SDL_FRect dest = {
+        static_cast<float>(x),
+        static_cast<float>(y),
+        static_cast<float>(texture_rect.w),
+        static_cast<float>(texture_rect.h)
+    };
 
     set_render_target(temp);
     clear();
@@ -813,7 +852,7 @@ void Graphics::drawtile3(int x, int y, int t, int off, int height_subtract /*= 0
     // so do the logic ourselves (except include height_subtract in the final call)
 
     int width;
-    if (query_texture(grphx.im_tiles3, NULL, NULL, &width, NULL) != 0)
+    if (!query_texture(grphx.im_tiles3, NULL, NULL, &width, NULL))
     {
         return;
     }
@@ -1120,7 +1159,7 @@ void Graphics::drawimagecol( int t, int xp, int yp, const SDL_Color ct, bool cen
     trect.x = xp;
     trect.y = yp;
 
-    if (query_texture(images[t], NULL, NULL, &trect.w, &trect.h) != 0)
+    if (!query_texture(images[t], NULL, NULL, &trect.w, &trect.h))
     {
         return;
     }
@@ -1147,7 +1186,7 @@ void Graphics::drawimage( int t, int xp, int yp, bool cent/*=false*/ )
     trect.x = xp;
     trect.y = yp;
 
-    if (query_texture(images[t], NULL, NULL, &trect.w, &trect.h) != 0)
+    if (!query_texture(images[t], NULL, NULL, &trect.w, &trect.h))
     {
         return;
     }
@@ -1173,19 +1212,29 @@ void Graphics::draw_texture(SDL_Texture* image, const int x, const int y)
 {
     int w, h;
 
-    if (query_texture(image, NULL, NULL, &w, &h) != 0)
+    if (!query_texture(image, NULL, NULL, &w, &h))
     {
         return;
     }
 
-    const SDL_Rect dstrect = {x, y, w, h};
+    const SDL_FRect dstrect = {
+        static_cast<float>(x),
+        static_cast<float>(y),
+        static_cast<float>(w),
+        static_cast<float>(h)
+    };
 
     copy_texture(image, NULL, &dstrect);
 }
 
 void Graphics::draw_texture_part(SDL_Texture* image, const int x, const int y, const int x2, const int y2, const int w, const int h, const int scalex, const int scaley)
 {
-    const SDL_Rect srcrect = {x2, y2, w, h};
+    const SDL_FRect srcrect = {
+        static_cast<float>(x2),
+        static_cast<float>(y2),
+        static_cast<float>(w),
+        static_cast<float>(h)
+    };
 
     int flip = SDL_FLIP_NONE;
 
@@ -1198,16 +1247,21 @@ void Graphics::draw_texture_part(SDL_Texture* image, const int x, const int y, c
         flip |= SDL_FLIP_VERTICAL;
     }
 
-    const SDL_Rect dstrect = {x, y, w * SDL_abs(scalex), h * SDL_abs(scaley)};
+    const SDL_FRect dstrect = {
+        static_cast<float>(x),
+        static_cast<float>(y),
+        static_cast<float>(w * SDL_abs(scalex)),
+        static_cast<float>(h * SDL_abs(scaley))
+    };
 
-    copy_texture(image, &srcrect, &dstrect, 0, NULL, (SDL_RendererFlip) flip);
+    copy_texture(image, &srcrect, &dstrect, 0, NULL, (SDL_FlipMode) flip);
 }
 
 void Graphics::draw_grid_tile(SDL_Texture* texture, const int t, const int x, const int y, const int width, const int height, const int scalex, const int scaley)
 {
     int tex_width;
 
-    if (query_texture(texture, NULL, NULL, &tex_width, NULL) != 0)
+    if (!query_texture(texture, NULL, NULL, &tex_width, NULL))
     {
         return;
     }
@@ -2323,7 +2377,8 @@ void Graphics::drawbackground( int t )
         fill_rect(0, 0, 0);
         for (int i = 0; i < numstars; i++)
         {
-            SDL_Rect star_rect = stars[i];
+            SDL_FRect star_rect = {0};
+            SDL_RectToFRect(&stars[i], &star_rect);
             star_rect.x = lerp(star_rect.x + starsspeed[i], star_rect.x);
             if (starsspeed[i] <= 6)
             {
@@ -2476,7 +2531,8 @@ void Graphics::drawbackground( int t )
                 break;
             }
 
-            SDL_Rect backboxrect = backboxes[i];
+            SDL_FRect backboxrect = {0};
+            SDL_RectToFRect(&backboxes[i], &backboxrect);
             backboxrect.x = lerp(backboxes[i].x - backboxvx[i], backboxes[i].x);
             backboxrect.y = lerp(backboxes[i].y - backboxvy[i], backboxes[i].y);
 
@@ -2494,7 +2550,12 @@ void Graphics::drawbackground( int t )
         clear();
 
         const int offset = (int) lerp(-3, 0);
-        const SDL_Rect srcRect = {8 + offset, 0, SCREEN_WIDTH_PIXELS, SCREEN_HEIGHT_PIXELS};
+        const SDL_FRect srcRect = {
+            8.0f + offset,
+            0.0f,
+            static_cast<float>(SCREEN_WIDTH_PIXELS),
+            static_cast<float>(SCREEN_HEIGHT_PIXELS)
+        };
 
         copy_texture(backgroundTexture, &srcRect, NULL);
         break;
@@ -2504,7 +2565,12 @@ void Graphics::drawbackground( int t )
         clear();
 
         const int offset = (int) lerp(-3, 0);
-        const SDL_Rect srcRect = {0, 8 + offset, SCREEN_WIDTH_PIXELS, SCREEN_HEIGHT_PIXELS};
+        const SDL_FRect srcRect = {
+            0.0f,
+            8.0f + offset,
+            static_cast<float>(SCREEN_WIDTH_PIXELS),
+            static_cast<float>(SCREEN_HEIGHT_PIXELS)
+        };
 
         copy_texture(backgroundTexture, &srcRect, NULL);
         break;
@@ -2554,7 +2620,12 @@ void Graphics::drawbackground( int t )
         for (int i = 10; i >= 0; i--)
         {
             const int temp = (i * 16) + backoffset;
-            const SDL_Rect warprect = {160 - temp, 120 - temp, temp * 2, temp * 2};
+            const SDL_FRect warprect = {
+                160.0f - temp,
+                120.0f - temp,
+                temp * 2.0f,
+                temp * 2.0f
+            };
             if (i % 2 == warpskip)
             {
                 fill_rect(&warprect, warpbcol);
@@ -2571,7 +2642,8 @@ void Graphics::drawbackground( int t )
         fill_rect(0, 0, 0);
         for (int i = 0; i < numstars; i++)
         {
-            SDL_Rect star_rect = stars[i];
+            SDL_FRect star_rect = {0};
+            SDL_RectToFRect(&stars[i], &star_rect);
             star_rect.y = lerp(star_rect.y + starsspeed[i], star_rect.y);
             if (starsspeed[i] <= 8)
             {
@@ -2903,7 +2975,12 @@ void Graphics::drawtowerbackground(const TowerBG& bg_obj)
     clear();
 
     const int offset = (int) lerp(-bg_obj.bscroll, 0);
-    const SDL_Rect srcRect = {0, 8 + offset, SCREEN_WIDTH_PIXELS, SCREEN_HEIGHT_PIXELS};
+    const SDL_FRect srcRect = {
+        0.0f,
+        8.0f + offset,
+        static_cast<float>(SCREEN_WIDTH_PIXELS),
+        static_cast<float>(SCREEN_HEIGHT_PIXELS)
+    };
 
     copy_texture(bg_obj.texture, &srcRect, NULL);
 }
@@ -3184,15 +3261,20 @@ SDL_Color Graphics::getcol( int t )
 
 void Graphics::menuoffrender(void)
 {
-    if (copy_texture(gameplayTexture, NULL, NULL) != 0)
+    if (copy_texture(gameplayTexture, NULL, NULL) == 0)
     {
         return;
     }
 
     const int offset = (int) lerp(oldmenuoffset, menuoffset);
-    const SDL_Rect offsetRect = {0, offset, SCREEN_WIDTH_PIXELS, SCREEN_HEIGHT_PIXELS};
+    const SDL_FRect offsetRect = {
+        0.0f,
+        static_cast<float>(offset),
+        static_cast<float>(SCREEN_WIDTH_PIXELS),
+        static_cast<float>(SCREEN_HEIGHT_PIXELS)
+    };
 
-    if (copy_texture(menuTexture, NULL, &offsetRect) != 0)
+    if (copy_texture(menuTexture, NULL, &offsetRect) == 0)
     {
         return;
     }
@@ -3458,7 +3540,12 @@ void Graphics::screenshake(void)
     set_blendmode(SDL_BLENDMODE_NONE);
     clear();
 
-    const SDL_Rect shake = {screenshake_x, screenshake_y, SCREEN_WIDTH_PIXELS, SCREEN_HEIGHT_PIXELS};
+    const SDL_FRect shake = {
+        static_cast<float>(screenshake_x),
+        static_cast<float>(screenshake_y),
+        static_cast<float>(SCREEN_WIDTH_PIXELS),
+        static_cast<float>(SCREEN_HEIGHT_PIXELS)
+    };
 
     copy_texture(gameTexture, NULL, &shake);
 
@@ -3478,7 +3565,7 @@ void Graphics::screenshake(void)
     set_blendmode(SDL_BLENDMODE_NONE);
     draw_window_background();
 
-    SDL_Rect rect;
+    SDL_FRect rect;
     get_stretch_info(&rect);
 
     copy_texture(tempShakeTexture, NULL, &rect, 0, NULL, flipmode ? SDL_FLIP_VERTICAL : SDL_FLIP_NONE);
@@ -3495,7 +3582,7 @@ void Graphics::draw_window_background(void)
     clear();
 }
 
-void Graphics::get_stretch_info(SDL_Rect* rect)
+void Graphics::get_stretch_info(SDL_FRect* rect)
 {
     int width;
     int height;
@@ -3563,7 +3650,7 @@ void Graphics::render(void)
 
     draw_window_background();
 
-    SDL_Rect stretch_info;
+    SDL_FRect stretch_info;
     get_stretch_info(&stretch_info);
 
     ime_set_rect(&stretch_info);
@@ -3637,7 +3724,12 @@ void Graphics::draw_screenshot_border(void)
         return;
     }
 
-    const SDL_Rect rect_inner = {1, 1, width - 2, height - 2};
+    const SDL_FRect rect_inner = {
+        1.0f,
+        1.0f,
+        width - 2.0f,
+        height - 2.0f
+    };
 
     if (game.screenshot_saved_success)
     {
@@ -3699,7 +3791,7 @@ bool Graphics::checktexturesize(
 ) {
     int texturewidth;
     int textureheight;
-    if (query_texture(texture, NULL, NULL, &texturewidth, &textureheight) != 0)
+    if (!query_texture(texture, NULL, NULL, &texturewidth, &textureheight))
     {
         /* Just give it the benefit of the doubt. */
         vlog_warn(
diff --git a/desktop_version/src/Graphics.h b/desktop_version/src/Graphics.h
index b9c9a53f..7d5399de 100644
--- a/desktop_version/src/Graphics.h
+++ b/desktop_version/src/Graphics.h
@@ -248,52 +248,52 @@ public:
         uint8_t b
     );
 
-    int set_render_target(SDL_Texture* texture);
+    bool set_render_target(SDL_Texture* texture);
 
-    int set_texture_color_mod(SDL_Texture* texture, Uint8 r, Uint8 g, Uint8 b);
+    bool set_texture_color_mod(SDL_Texture* texture, Uint8 r, Uint8 g, Uint8 b);
 
-    int set_texture_alpha_mod(SDL_Texture* texture, Uint8 alpha);
+    bool set_texture_alpha_mod(SDL_Texture* texture, Uint8 alpha);
 
-    int query_texture(SDL_Texture* texture, Uint32* format, int* access, int* w, int* h);
+    bool query_texture(SDL_Texture* texture, Uint32* format, int* access, int* w, int* h);
 
-    int set_blendmode(SDL_BlendMode blendmode);
-    int set_blendmode(SDL_Texture* texture, SDL_BlendMode blendmode);
+    bool set_blendmode(SDL_BlendMode blendmode);
+    bool set_blendmode(SDL_Texture* texture, SDL_BlendMode blendmode);
 
-    int clear(int r, int g, int b, int a);
-    int clear(void);
+    bool clear(int r, int g, int b, int a);
+    bool clear(void);
 
     bool substitute(SDL_Texture** texture);
     void post_substitute(SDL_Texture* subst);
 
-    int copy_texture(SDL_Texture* texture, const SDL_Rect* src, const SDL_Rect* dest);
-    int copy_texture(SDL_Texture* texture, const SDL_Rect* src, const SDL_Rect* dest, double angle, const SDL_Point* center, SDL_RendererFlip flip);
+    bool copy_texture(SDL_Texture* texture, const SDL_FRect* src, const SDL_FRect* dest);
+    bool copy_texture(SDL_Texture* texture, const SDL_FRect* src, const SDL_FRect* dest, double angle, const SDL_FPoint* center, SDL_FlipMode flip);
 
-    int set_color(Uint8 r, Uint8 g, Uint8 b, Uint8 a);
-    int set_color(Uint8 r, Uint8 g, Uint8 b);
-    int set_color(SDL_Color color);
+    bool set_color(Uint8 r, Uint8 g, Uint8 b, Uint8 a);
+    bool set_color(Uint8 r, Uint8 g, Uint8 b);
+    bool set_color(SDL_Color color);
 
-    int fill_rect(const SDL_Rect* rect);
-    int fill_rect(const SDL_Rect* rect, int r, int g, int b, int a);
-    int fill_rect(int x, int y, int w, int h, int r, int g, int b, int a);
-    int fill_rect(int x, int y, int w, int h, int r, int g, int b);
-    int fill_rect(const SDL_Rect* rect, int r, int g, int b);
-    int fill_rect(int r, int g, int b);
-    int fill_rect(const SDL_Rect* rect, SDL_Color color);
-    int fill_rect(int x, int y, int w, int h, SDL_Color color);
-    int fill_rect(SDL_Color color);
+    bool fill_rect(const SDL_FRect* rect);
+    bool fill_rect(const SDL_FRect* rect, int r, int g, int b, int a);
+    bool fill_rect(int x, int y, int w, int h, int r, int g, int b, int a);
+    bool fill_rect(int x, int y, int w, int h, int r, int g, int b);
+    bool fill_rect(const SDL_FRect* rect, int r, int g, int b);
+    bool fill_rect(int r, int g, int b);
+    bool fill_rect(const SDL_FRect* rect, SDL_Color color);
+    bool fill_rect(int x, int y, int w, int h, SDL_Color color);
+    bool fill_rect(SDL_Color color);
 
-    int draw_rect(const SDL_Rect* rect);
-    int draw_rect(const SDL_Rect* rect, int r, int g, int b, int a);
-    int draw_rect(int x, int y, int w, int h, int r, int g, int b, int a);
-    int draw_rect(int x, int y, int w, int h, int r, int g, int b);
-    int draw_rect(const SDL_Rect* rect, int r, int g, int b);
-    int draw_rect(const SDL_Rect* rect, SDL_Color color);
-    int draw_rect(int x, int y, int w, int h, SDL_Color color);
+    bool draw_rect(const SDL_FRect* rect);
+    bool draw_rect(const SDL_FRect* rect, int r, int g, int b, int a);
+    bool draw_rect(int x, int y, int w, int h, int r, int g, int b, int a);
+    bool draw_rect(int x, int y, int w, int h, int r, int g, int b);
+    bool draw_rect(const SDL_FRect* rect, int r, int g, int b);
+    bool draw_rect(const SDL_FRect* rect, SDL_Color color);
+    bool draw_rect(int x, int y, int w, int h, SDL_Color color);
 
-    int draw_line(int x, int y, int x2, int y2);
+    bool draw_line(int x, int y, int x2, int y2);
 
-    int draw_points(const SDL_Point* points, int count);
-    int draw_points(const SDL_Point* points, int count, int r, int g, int b);
+    bool draw_points(const SDL_FPoint* points, int count);
+    bool draw_points(const SDL_FPoint* points, int count, int r, int g, int b);
 
     void map_tab(int opt, const char* text, bool selected = false);
 
@@ -311,7 +311,7 @@ public:
 
     void draw_window_background(void);
 
-    void get_stretch_info(SDL_Rect* rect);
+    void get_stretch_info(SDL_FRect* rect);
 
     void render(void);
     void renderwithscreeneffects(void);
@@ -412,7 +412,7 @@ public:
     SDL_Rect sprites_rect;
     SDL_Rect tele_rect;
 
-    SDL_Rect footerrect;
+    SDL_FRect footerrect;
 
     int linestate, linedelay;
     int backoffset;
diff --git a/desktop_version/src/GraphicsResources.cpp b/desktop_version/src/GraphicsResources.cpp
index 8d13f8df..9c966575 100644
--- a/desktop_version/src/GraphicsResources.cpp
+++ b/desktop_version/src/GraphicsResources.cpp
@@ -59,17 +59,13 @@ static SDL_Surface* LoadImageRaw(const char* filename, unsigned char** data)
         return NULL;
     }
 
-    loadedImage = SDL_CreateRGBSurfaceWithFormatFrom(
-        *data,
-        width,
-        height,
-        32,
-        width * 4,
+    loadedImage = SDL_CreateSurfaceFrom(width, height,
 #if SDL_BYTEORDER == SDL_BIG_ENDIAN
         SDL_PIXELFORMAT_RGBA8888
 #else
         SDL_PIXELFORMAT_ABGR8888
 #endif
+        , *data, width * 4
     );
 
     return loadedImage;
@@ -77,10 +73,9 @@ static SDL_Surface* LoadImageRaw(const char* filename, unsigned char** data)
 
 static SDL_Surface* LoadSurfaceFromRaw(SDL_Surface* loadedImage)
 {
-    SDL_Surface* optimizedImage = SDL_ConvertSurfaceFormat(
+    SDL_Surface* optimizedImage = SDL_ConvertSurface(
         loadedImage,
-        SDL_PIXELFORMAT_ARGB8888,
-        0
+        SDL_PIXELFORMAT_ARGB8888
     );
     SDL_SetSurfaceBlendMode(optimizedImage, SDL_BLENDMODE_BLEND);
     return optimizedImage;
@@ -95,7 +90,7 @@ SDL_Surface* LoadImageSurface(const char* filename)
     SDL_Surface* optimizedImage = LoadSurfaceFromRaw(loadedImage);
     if (loadedImage != NULL)
     {
-        VVV_freefunc(SDL_FreeSurface, loadedImage);
+        VVV_freefunc(SDL_DestroySurface, loadedImage);
     }
 
     VVV_free(data);
@@ -185,7 +180,7 @@ SDL_Texture* LoadImage(const char *filename, const TextureLoadType loadtype)
 
     if (loadedImage != NULL)
     {
-        VVV_freefunc(SDL_FreeSurface, loadedImage);
+        VVV_freefunc(SDL_DestroySurface, loadedImage);
     }
 
     VVV_free(data);
@@ -242,7 +237,7 @@ static void LoadVariants(const char* filename, SDL_Texture** colored, SDL_Textur
 
     if (loadedImage != NULL)
     {
-        VVV_freefunc(SDL_FreeSurface, loadedImage);
+        VVV_freefunc(SDL_DestroySurface, loadedImage);
     }
 
     VVV_free(data);
@@ -270,7 +265,7 @@ static void LoadSprites(const char* filename, SDL_Texture** texture, SDL_Surface
 
     if (loadedImage != NULL)
     {
-        VVV_freefunc(SDL_FreeSurface, loadedImage);
+        VVV_freefunc(SDL_DestroySurface, loadedImage);
     }
 
     VVV_free(data);
@@ -308,7 +303,7 @@ static void LoadSpritesTranslation(
         SDL_Surface* loaded_image = LoadImageRaw(filename, &data);
         translated = LoadSurfaceFromRaw(loaded_image);
 
-        VVV_freefunc(SDL_FreeSurface, loaded_image);
+        VVV_freefunc(SDL_DestroySurface, loaded_image);
         VVV_free(data);
     }
     SDL_SetSurfaceBlendMode(translated, SDL_BLENDMODE_NONE);
@@ -344,8 +339,8 @@ static void LoadSpritesTranslation(
 
     *texture = LoadTextureFromRaw(filename, working, TEX_WHITE);
 
-    VVV_freefunc(SDL_FreeSurface, translated);
-    VVV_freefunc(SDL_FreeSurface, working);
+    VVV_freefunc(SDL_DestroySurface, translated);
+    VVV_freefunc(SDL_DestroySurface, working);
 }
 
 void GraphicsResources::init_translations(void)
@@ -510,8 +505,8 @@ void GraphicsResources::destroy(void)
     }
 #undef CLEAR
 
-    VVV_freefunc(SDL_FreeSurface, im_sprites_surf);
-    VVV_freefunc(SDL_FreeSurface, im_flipsprites_surf);
+    VVV_freefunc(SDL_DestroySurface, im_sprites_surf);
+    VVV_freefunc(SDL_DestroySurface, im_flipsprites_surf);
 }
 
 bool SaveImage(const SDL_Surface* surface, const char* filename)
diff --git a/desktop_version/src/GraphicsResources.h b/desktop_version/src/GraphicsResources.h
index f7973c68..6a40eb18 100644
--- a/desktop_version/src/GraphicsResources.h
+++ b/desktop_version/src/GraphicsResources.h
@@ -1,7 +1,7 @@
 #ifndef GRAPHICSRESOURCES_H
 #define GRAPHICSRESOURCES_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 enum TextureLoadType
 {
diff --git a/desktop_version/src/GraphicsUtil.cpp b/desktop_version/src/GraphicsUtil.cpp
index 33ffb256..75e2259f 100644
--- a/desktop_version/src/GraphicsUtil.cpp
+++ b/desktop_version/src/GraphicsUtil.cpp
@@ -1,4 +1,4 @@
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <stddef.h>
 #include <stdlib.h>
 
@@ -10,9 +10,6 @@
 #include "UtilityClass.h"
 #include "Vlogging.h"
 
-
-
-
 void setRect( SDL_Rect& _r, int x, int y, int w, int h )
 {
     _r.x = x;
@@ -21,6 +18,14 @@ void setRect( SDL_Rect& _r, int x, int y, int w, int h )
     _r.h = h;
 }
 
+void setRect( SDL_FRect& _r, int x, int y, int w, int h )
+{
+    _r.x = x;
+    _r.y = y;
+    _r.w = w;
+    _r.h = h;
+}
+
 static SDL_Surface* RecreateSurfaceWithDimensions(
     SDL_Surface* surface,
     const int width,
@@ -34,15 +39,10 @@ static SDL_Surface* RecreateSurfaceWithDimensions(
         return NULL;
     }
 
-    retval = SDL_CreateRGBSurface(
-        surface->flags,
+    retval = SDL_CreateSurface(
         width,
         height,
-        surface->format->BitsPerPixel,
-        surface->format->Rmask,
-        surface->format->Gmask,
-        surface->format->Bmask,
-        surface->format->Amask
+        surface->format
     );
 
     if (retval == NULL)
@@ -95,8 +95,9 @@ void DrawPixel(SDL_Surface* surface, const int x, const int y, const SDL_Color c
         return;
     }
 
-    const SDL_PixelFormat* fmt = surface->format;
-    const int bpp = fmt->BytesPerPixel;
+    const SDL_PixelFormat fmt = surface->format;
+    const SDL_PixelFormatDetails *fmt_details = SDL_GetPixelFormatDetails(fmt);
+    const int bpp = fmt_details->bytes_per_pixel;
     Uint8* pixel = (Uint8*) surface->pixels + y * surface->pitch + x * bpp;
     Uint32* pixel32 = (Uint32*) pixel;
 
@@ -109,7 +110,7 @@ void DrawPixel(SDL_Surface* surface, const int x, const int y, const SDL_Color c
 
     case 3:
     {
-        const Uint32 single = SDL_MapRGB(fmt, color.r, color.g, color.b);
+        const Uint32 single = SDL_MapSurfaceRGB(surface, color.r, color.g, color.b);
         pixel[0] = (single & 0xFF0000) >> 16;
         pixel[1] = (single & 0x00FF00) >> 8;
         pixel[2] = (single & 0x0000FF) >> 0;
@@ -117,7 +118,7 @@ void DrawPixel(SDL_Surface* surface, const int x, const int y, const SDL_Color c
     }
 
     case 4:
-        *pixel32 = SDL_MapRGBA(fmt, color.r, color.g, color.b, color.a);
+        *pixel32 = SDL_MapSurfaceRGBA(surface, color.r, color.g, color.b, color.a);
     }
 }
 
@@ -138,8 +139,9 @@ SDL_Color ReadPixel(const SDL_Surface* surface, const int x, const int y)
         return color;
     }
 
-    const SDL_PixelFormat* fmt = surface->format;
-    const int bpp = surface->format->BytesPerPixel;
+    const SDL_PixelFormat fmt = surface->format;
+    const SDL_PixelFormatDetails *fmt_details = SDL_GetPixelFormatDetails(fmt);
+    const int bpp = fmt_details->bytes_per_pixel;
     const Uint8* pixel = (Uint8*) surface->pixels + y * surface->pitch + x * bpp;
     const Uint32* pixel32 = (Uint32*) pixel;
 
@@ -153,13 +155,13 @@ SDL_Color ReadPixel(const SDL_Surface* surface, const int x, const int y)
     case 3:
     {
         const Uint32 single = (pixel[0] << 16) | (pixel[1] << 8) | (pixel[2] << 0);
-        SDL_GetRGB(single, fmt, &color.r, &color.g, &color.b);
+        SDL_GetRGB(single, fmt_details, SDL_GetSurfacePalette((SDL_Surface *) surface), &color.r, &color.g, &color.b);
         color.a = 255;
         break;
     }
 
     case 4:
-        SDL_GetRGBA(*pixel32, fmt, &color.r, &color.g, &color.b, &color.a);
+        SDL_GetRGBA(*pixel32, fmt_details, SDL_GetSurfacePalette((SDL_Surface *) surface), &color.r, &color.g, &color.b, &color.a);
     }
 
     return color;
@@ -206,11 +208,11 @@ void ApplyFilter(SDL_Surface** src, SDL_Surface** dest)
 
     if (*src == NULL)
     {
-        *src = SDL_CreateRGBSurface(0, SCREEN_WIDTH_PIXELS, SCREEN_HEIGHT_PIXELS, 32, 0, 0, 0, 0);
+        *src = SDL_CreateSurface(SCREEN_WIDTH_PIXELS, SCREEN_HEIGHT_PIXELS, SDL_GetPixelFormatForMasks(32, 0, 0, 0, 0));
     }
     if (*dest == NULL)
     {
-        *dest = SDL_CreateRGBSurface(0, SCREEN_WIDTH_PIXELS, SCREEN_HEIGHT_PIXELS, 32, 0, 0, 0, 0);
+        *dest = SDL_CreateSurface(SCREEN_WIDTH_PIXELS, SCREEN_HEIGHT_PIXELS, SDL_GetPixelFormatForMasks(32, 0, 0, 0, 0));
     }
     if (*src == NULL || *dest == NULL)
     {
@@ -218,16 +220,19 @@ void ApplyFilter(SDL_Surface** src, SDL_Surface** dest)
         return;
     }
 
-    const int result = SDL_RenderReadPixels(gameScreen.m_renderer, NULL, 0, (*src)->pixels, (*src)->pitch);
-    if (result != 0)
+    SDL_Surface *read_pixels = SDL_RenderReadPixels(gameScreen.m_renderer, NULL);
+    if (read_pixels == NULL)
     {
         disabled_filter = true;
-        VVV_freefunc(SDL_FreeSurface, *src);
-        VVV_freefunc(SDL_FreeSurface, *dest);
+        VVV_freefunc(SDL_DestroySurface, *src);
+        VVV_freefunc(SDL_DestroySurface, *dest);
         WHINE_ONCE_ARGS(("Could not read pixels from renderer: %s", SDL_GetError()));
         return;
     }
 
+    SDL_BlitSurface(read_pixels, NULL, *src, NULL);
+    SDL_DestroySurface(read_pixels);
+
     const int red_offset = rand() % 4;
 
     for (int x = 0; x < (*src)->w; x++)
@@ -294,17 +299,14 @@ bool TakeScreenshot(SDL_Surface** surface)
 
     int width = 0;
     int height = 0;
-    int result = graphics.query_texture(
-        graphics.gameTexture, NULL, NULL, &width, &height
-    );
-    if (result != 0)
-    {
-        return false;
+    if (!graphics.query_texture(graphics.gameTexture, NULL, NULL, &width,
+                                &height)) {
+      return false;
     }
 
     if (*surface == NULL)
     {
-        *surface = SDL_CreateRGBSurface(0, width, height, 24, 0, 0, 0, 0);
+        *surface = SDL_CreateSurface(width, height, SDL_PIXELFORMAT_RGB24);
         if (*surface == NULL)
         {
             WHINE_ONCE_ARGS(
@@ -320,17 +322,13 @@ bool TakeScreenshot(SDL_Surface** surface)
         return false;
     }
 
-    result = graphics.set_render_target(graphics.gameTexture);
-    if (result != 0)
+    if (!graphics.set_render_target(graphics.gameTexture))
     {
         return false;
     }
 
-    result = SDL_RenderReadPixels(
-        gameScreen.m_renderer, NULL, SDL_PIXELFORMAT_RGB24,
-        (*surface)->pixels, (*surface)->pitch
-    );
-    if (result != 0)
+    SDL_Surface *read_pixels = SDL_RenderReadPixels(gameScreen.m_renderer, NULL);
+    if (read_pixels == NULL)
     {
         WHINE_ONCE_ARGS(
             ("Could not read pixels from renderer: %s", SDL_GetError())
@@ -338,6 +336,9 @@ bool TakeScreenshot(SDL_Surface** surface)
         return false;
     }
 
+    SDL_BlitSurface(read_pixels, NULL, *surface, NULL);
+    SDL_DestroySurface(read_pixels);
+
     /* Need to manually vertically reverse pixels in Flip Mode. */
     if (graphics.flipmode)
     {
@@ -371,9 +372,7 @@ bool UpscaleScreenshot2x(SDL_Surface* src, SDL_Surface** dest)
 
     if (*dest == NULL)
     {
-        *dest = SDL_CreateRGBSurface(
-            0, src->w * 2, src->h * 2, src->format->BitsPerPixel, 0, 0, 0, 0
-        );
+        *dest = SDL_CreateSurface(src->w * 2, src->h * 2, src->format);
         if (*dest == NULL)
         {
             WHINE_ONCE_ARGS(
@@ -383,8 +382,8 @@ bool UpscaleScreenshot2x(SDL_Surface* src, SDL_Surface** dest)
         }
     }
 
-    int result = SDL_BlitScaled(src, NULL, *dest, NULL);
-    if (result != 0)
+    int result = SDL_BlitSurfaceScaled(src, NULL, *dest, NULL, SDL_SCALEMODE_PIXELART);
+    if (result == 0)
     {
         WHINE_ONCE_ARGS(("Could not blit surface: %s", SDL_GetError()));
         return false;
diff --git a/desktop_version/src/GraphicsUtil.h b/desktop_version/src/GraphicsUtil.h
index 4bdd217a..d3346e30 100644
--- a/desktop_version/src/GraphicsUtil.h
+++ b/desktop_version/src/GraphicsUtil.h
@@ -1,9 +1,10 @@
 #ifndef GRAPHICSUTIL_H
 #define GRAPHICSUTIL_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 void setRect(SDL_Rect& _r, int x, int y, int w, int h);
+void setRect(SDL_FRect& _r, int x, int y, int w, int h);
 
 SDL_Surface* GetSubSurface( SDL_Surface* metaSurface, int x, int y, int width, int height );
 
diff --git a/desktop_version/src/IMERender.cpp b/desktop_version/src/IMERender.cpp
index 5771c33b..c94ab038 100644
--- a/desktop_version/src/IMERender.cpp
+++ b/desktop_version/src/IMERender.cpp
@@ -1,19 +1,21 @@
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 #include "Constants.h"
 #include "Font.h"
 #include "Graphics.h"
 #include "KeyPoll.h"
 #include "UTF8.h"
+#include "Screen.h"
+#include "GraphicsUtil.h"
 
 static bool render_done = false;
-static SDL_Rect imebox;
+static SDL_FRect imebox;
 
 void ime_render(void)
 {
     render_done = false;
 
-    if (!SDL_IsTextInputActive() || key.imebuffer == "")
+    if (!SDL_TextInputActive(gameScreen.m_window) || key.imebuffer == "")
     {
         return;
     }
@@ -24,7 +26,7 @@ void ime_render(void)
     imebox.w = font::len(PR_FONT_LEVEL, key.imebuffer.c_str()) + 1;
     imebox.h = fontheight + 1;
 
-    SDL_Rect imebox_border = imebox;
+    SDL_FRect imebox_border = imebox;
     imebox_border.x -= 1;
     imebox_border.y -= 1;
     imebox_border.w += 2;
@@ -74,7 +76,7 @@ void ime_render(void)
                 in_sel_pixels += 1;
             }
 
-            SDL_Rect selrect = imebox;
+            SDL_FRect selrect = imebox;
             selrect.x += before_sel_pixels + 1;
             selrect.w = in_sel_pixels;
             graphics.fill_rect(&selrect, 128, 64, 0);
@@ -88,14 +90,19 @@ void ime_render(void)
     render_done = true;
 }
 
-void ime_set_rect(SDL_Rect* stretch_info)
+void ime_set_rect(SDL_FRect* stretch_info)
 {
     if (!render_done)
     {
         return;
     }
 
-    SDL_Rect imebox_scaled = imebox;
+    SDL_Rect imebox_scaled = {
+        static_cast<int>(imebox.x),
+        static_cast<int>(imebox.y),
+        static_cast<int>(imebox.w),
+        static_cast<int>(imebox.h)
+    };
     float x_scale = (float) stretch_info->w / SCREEN_WIDTH_PIXELS;
     float y_scale = (float) stretch_info->h / SCREEN_HEIGHT_PIXELS;
     imebox_scaled.x *= x_scale;
@@ -105,5 +112,5 @@ void ime_set_rect(SDL_Rect* stretch_info)
     imebox_scaled.x += stretch_info->x;
     imebox_scaled.y += stretch_info->y;
 
-    SDL_SetTextInputRect(&imebox_scaled);
+    SDL_SetTextInputArea(gameScreen.m_window, &imebox_scaled, 0);
 }
diff --git a/desktop_version/src/IMERender.h b/desktop_version/src/IMERender.h
index 9e48ebd1..f619b3f0 100644
--- a/desktop_version/src/IMERender.h
+++ b/desktop_version/src/IMERender.h
@@ -2,6 +2,6 @@
 #define IMERENDER_H
 
 void ime_render(void);
-void ime_set_rect(SDL_Rect* stretch_info);
+void ime_set_rect(SDL_FRect* stretch_info);
 
 #endif /* IMERENDER_H */
diff --git a/desktop_version/src/Input.cpp b/desktop_version/src/Input.cpp
index 4ee34af7..38261750 100644
--- a/desktop_version/src/Input.cpp
+++ b/desktop_version/src/Input.cpp
@@ -25,13 +25,14 @@
 #include "Script.h"
 #include "UtilityClass.h"
 #include "Vlogging.h"
+#include "Alloc.h"
 
 static void updatebuttonmappings(int bind)
 {
     for (
-        SDL_GameControllerButton i = SDL_CONTROLLER_BUTTON_A;
-        i < SDL_CONTROLLER_BUTTON_DPAD_UP;
-        i = (SDL_GameControllerButton) (i + 1)
+        SDL_GamepadButton i = SDL_GAMEPAD_BUTTON_SOUTH;
+        i < SDL_GAMEPAD_BUTTON_DPAD_UP;
+        i = (SDL_GamepadButton) (i + 1)
     ) {
         if (key.isDown(i))
         {
@@ -41,7 +42,7 @@ static void updatebuttonmappings(int bind)
                 game.gpmenu_lastbutton = i;
 
                 // Is this button already in the list for this action?
-                std::vector<SDL_GameControllerButton>* vec = NULL;
+                std::vector<SDL_GamepadButton>* vec = NULL;
                 switch (bind)
                 {
                 case 1: vec = &game.controllerButton_flip; break;
@@ -1407,7 +1408,9 @@ static void menuactionpress(void)
         else if (game.currentmenuoption == (int)game.menuoptions.size()-2)
         {
             // play the cutscene, from clipboard
-            game.cutscenetest_menu_play_id = std::string(SDL_GetClipboardText());
+            char *cutscene = SDL_GetClipboardText();
+            game.cutscenetest_menu_play_id = std::string(cutscene);
+            VVV_free(cutscene);
             startmode(Start_CUTSCENETEST);
         }
         else if (game.currentmenuoption == (int)game.menuoptions.size()-1)
@@ -3045,7 +3048,7 @@ void gameinput(void)
         game.menupage = 30; // Pause screen
     }
 
-    if (game.deathseq == -1 && (key.isDown(SDLK_r) || key.isDown(game.controllerButton_restart)) && !game.nodeathmode)// && map.custommode) //Have fun glitchrunners!
+    if (game.deathseq == -1 && (key.isDown(SDLK_R) || key.isDown(game.controllerButton_restart)) && !game.nodeathmode)// && map.custommode) //Have fun glitchrunners!
     {
         game.deathseq = 30;
     }
diff --git a/desktop_version/src/KeyPoll.cpp b/desktop_version/src/KeyPoll.cpp
index 08b05cc0..ae7236ad 100644
--- a/desktop_version/src/KeyPoll.cpp
+++ b/desktop_version/src/KeyPoll.cpp
@@ -71,12 +71,12 @@ void KeyPoll::enabletextentry(void)
     imebuffer = "";
     imebuffer_start = 0;
     imebuffer_length = 0;
-    SDL_StartTextInput();
+    SDL_StartTextInput(gameScreen.m_window);
 }
 
 void KeyPoll::disabletextentry(void)
 {
-    SDL_StopTextInput();
+    SDL_StopTextInput(gameScreen.m_window);
     imebuffer = "";
     imebuffer_start = 0;
     imebuffer_length = 0;
@@ -84,7 +84,7 @@ void KeyPoll::disabletextentry(void)
 
 bool KeyPoll::textentry(void)
 {
-    return SDL_IsTextInputActive() == SDL_TRUE;
+    return SDL_TextInputActive(gameScreen.m_window) == true;
 }
 
 void KeyPoll::toggleFullscreen(void)
@@ -106,8 +106,7 @@ static int changemousestate(
     const bool show,
     const bool hide
 ) {
-    int prev;
-    int new_;
+    bool visible;
 
     if (timeout > 0)
     {
@@ -117,34 +116,28 @@ static int changemousestate(
     /* If we want to both show and hide at the same time, prioritize showing */
     if (show)
     {
-        new_ = SDL_ENABLE;
+        visible = true;
     }
     else if (hide)
     {
-        new_ = SDL_DISABLE;
+        visible = false;
     }
     else
     {
         return timeout;
     }
 
-    prev = SDL_ShowCursor(SDL_QUERY);
-
-    if (prev == new_)
+    if (SDL_CursorVisible() == visible)
     {
         return timeout;
     }
 
-    SDL_ShowCursor(new_);
-
-    switch (new_)
-    {
-    case SDL_DISABLE:
+    if (visible) {
+        SDL_ShowCursor();
         timeout = 0;
-        break;
-    case SDL_ENABLE:
+    } else {
+        SDL_HideCursor();
         timeout = 30;
-        break;
     }
 
     return timeout;
@@ -228,7 +221,7 @@ void KeyPoll::Poll(void)
     bool hidemouse = false;
     bool altpressed = false;
     bool fullscreenkeybind = false;
-    SDL_GameController *controller = NULL;
+    SDL_Gamepad *controller = NULL;
     SDL_Event evt;
     bool should_recompute_textboxes = false;
     bool active_input_device_changed = false;
@@ -238,29 +231,29 @@ void KeyPoll::Poll(void)
         switch (evt.type)
         {
         /* Keyboard Input */
-        case SDL_KEYDOWN:
+        case SDL_EVENT_KEY_DOWN:
         {
-            keymap[evt.key.keysym.sym] = true;
+            keymap[evt.key.key] = true;
 
-            if (evt.key.keysym.sym == SDLK_BACKSPACE)
+            if (evt.key.key == SDLK_BACKSPACE)
             {
                 pressedbackspace = true;
             }
 
-#ifdef __APPLE__ /* OSX prefers the command keys over the alt keys. -flibit */
+#ifdef SDL_PLATFORM_APPLE /* OSX prefers the command keys over the alt keys. -flibit */
             altpressed = keymap[SDLK_LGUI] || keymap[SDLK_RGUI];
 #else
             altpressed = keymap[SDLK_LALT] || keymap[SDLK_RALT];
 #endif
-            bool returnpressed = evt.key.keysym.sym == SDLK_RETURN;
-            bool fpressed = evt.key.keysym.sym == SDLK_f;
-            bool f11pressed = evt.key.keysym.sym == SDLK_F11;
+            bool returnpressed = evt.key.key == SDLK_RETURN;
+            bool fpressed = evt.key.key == SDLK_F;
+            bool f11pressed = evt.key.key == SDLK_F11;
             if ((altpressed && (returnpressed || fpressed)) || f11pressed)
             {
                 fullscreenkeybind = true;
             }
 
-            if (loc::show_translator_menu && evt.key.keysym.sym == SDLK_F8 && !evt.key.repeat)
+            if (loc::show_translator_menu && evt.key.key == SDLK_F8 && !evt.key.repeat)
             {
                 if (keymap[SDLK_LCTRL])
                 {
@@ -276,7 +269,7 @@ void KeyPoll::Poll(void)
                 }
             }
 
-            if (evt.key.keysym.sym == SDLK_F6 && !evt.key.repeat)
+            if (evt.key.key == SDLK_F6 && !evt.key.repeat)
             {
                 const bool success = SaveScreenshot();
                 game.old_screenshot_border_timer = 255;
@@ -288,7 +281,7 @@ void KeyPoll::Poll(void)
 
             if (textentry())
             {
-                if (evt.key.keysym.sym == SDLK_BACKSPACE && !keybuffer.empty())
+                if (evt.key.key == SDLK_BACKSPACE && !keybuffer.empty())
                 {
                     keybuffer.erase(UTF8_backspace(keybuffer.c_str(), keybuffer.length()));
                     if (keybuffer.empty())
@@ -296,7 +289,7 @@ void KeyPoll::Poll(void)
                         linealreadyemptykludge = true;
                     }
                 }
-                else if (    evt.key.keysym.sym == SDLK_v &&
+                else if (    evt.key.key == SDLK_V &&
                         keymap[SDLK_LCTRL]    )
                 {
                     char* text = SDL_GetClipboardText();
@@ -306,10 +299,10 @@ void KeyPoll::Poll(void)
                         VVV_free(text);
                     }
                 }
-                else if (    evt.key.keysym.sym == SDLK_x &&
+                else if (    evt.key.key == SDLK_X &&
                         keymap[SDLK_LCTRL]    )
                 {
-                    if (SDL_SetClipboardText(keybuffer.c_str()) == 0)
+                    if (SDL_SetClipboardText(keybuffer.c_str()))
                     {
                         keybuffer = "";
                     }
@@ -317,37 +310,31 @@ void KeyPoll::Poll(void)
             }
             break;
         }
-        case SDL_KEYUP:
-            keymap[evt.key.keysym.sym] = false;
-            if (evt.key.keysym.sym == SDLK_BACKSPACE)
+        case SDL_EVENT_KEY_UP:
+            keymap[evt.key.key] = false;
+            if (evt.key.key == SDLK_BACKSPACE)
             {
                 pressedbackspace = false;
             }
             break;
-        case SDL_TEXTINPUT:
+        case SDL_EVENT_TEXT_INPUT:
             if (!altpressed)
             {
                 keybuffer += evt.text.text;
             }
             break;
-        case SDL_TEXTEDITING:
+        case SDL_EVENT_TEXT_EDITING:
             imebuffer = evt.edit.text;
             imebuffer_start = evt.edit.start;
             imebuffer_length = evt.edit.length;
             break;
-        case SDL_TEXTEDITING_EXT:
-            imebuffer = evt.editExt.text;
-            imebuffer_start = evt.editExt.start;
-            imebuffer_length = evt.editExt.length;
-            SDL_free(evt.editExt.text);
-            break;
 
         /* Mouse Input */
-        case SDL_MOUSEMOTION:
+        case SDL_EVENT_MOUSE_MOTION:
             raw_mousex = evt.motion.x;
             raw_mousey = evt.motion.y;
             break;
-        case SDL_MOUSEBUTTONDOWN:
+        case SDL_EVENT_MOUSE_BUTTON_DOWN:
             switch (evt.button.button)
             {
             case SDL_BUTTON_LEFT:
@@ -367,7 +354,7 @@ void KeyPoll::Poll(void)
                 break;
             }
             break;
-        case SDL_MOUSEBUTTONUP:
+        case SDL_EVENT_MOUSE_BUTTON_UP:
             switch (evt.button.button)
             {
             case SDL_BUTTON_LEFT:
@@ -389,69 +376,69 @@ void KeyPoll::Poll(void)
             break;
 
         /* Controller Input */
-        case SDL_CONTROLLERBUTTONDOWN:
-            buttonmap[(SDL_GameControllerButton) evt.cbutton.button] = true;
+        case SDL_EVENT_GAMEPAD_BUTTON_DOWN:
+            buttonmap[(SDL_GamepadButton) evt.gbutton.button] = true;
             BUTTONGLYPHS_keyboard_set_active(false);
 
-            controller = controllers[evt.cbutton.which];
+            controller = controllers[evt.gbutton.which];
             BUTTONGLYPHS_update_layout(controller);
             break;
-        case SDL_CONTROLLERBUTTONUP:
-            buttonmap[(SDL_GameControllerButton) evt.cbutton.button] = false;
+        case SDL_EVENT_GAMEPAD_BUTTON_UP:
+            buttonmap[(SDL_GamepadButton) evt.gbutton.button] = false;
             break;
-        case SDL_CONTROLLERAXISMOTION:
+        case SDL_EVENT_GAMEPAD_AXIS_MOTION:
         {
             const int threshold = getThreshold();
-            switch (evt.caxis.axis)
+            switch (evt.gaxis.axis)
             {
-            case SDL_CONTROLLER_AXIS_LEFTX:
-                if (    evt.caxis.value > -threshold &&
-                    evt.caxis.value < threshold    )
+            case SDL_GAMEPAD_AXIS_LEFTX:
+                if (    evt.gaxis.value > -threshold &&
+                    evt.gaxis.value < threshold    )
                 {
                     xVel = 0;
                 }
                 else
                 {
-                    xVel = (evt.caxis.value > 0) ? 1 : -1;
+                    xVel = (evt.gaxis.value > 0) ? 1 : -1;
                 }
                 break;
-            case SDL_CONTROLLER_AXIS_LEFTY:
-                if (    evt.caxis.value > -threshold &&
-                    evt.caxis.value < threshold    )
+            case SDL_GAMEPAD_AXIS_LEFTY:
+                if (    evt.gaxis.value > -threshold &&
+                    evt.gaxis.value < threshold    )
                 {
                     yVel = 0;
                 }
                 else
                 {
-                    yVel = (evt.caxis.value > 0) ? 1 : -1;
+                    yVel = (evt.gaxis.value > 0) ? 1 : -1;
                 }
                 break;
             }
             BUTTONGLYPHS_keyboard_set_active(false);
 
-            controller = controllers[evt.caxis.which];
+            controller = controllers[evt.gaxis.which];
             BUTTONGLYPHS_update_layout(controller);
             break;
         }
-        case SDL_CONTROLLERDEVICEADDED:
+        case SDL_EVENT_GAMEPAD_ADDED:
         {
-            controller = SDL_GameControllerOpen(evt.cdevice.which);
+            controller = SDL_OpenGamepad(evt.cdevice.which);
             vlog_info(
-                "Opened SDL_GameController ID #%i, %s",
+                "Opened SDL_Gamepad ID #%i, %s",
                 evt.cdevice.which,
-                SDL_GameControllerName(controller)
+                SDL_GetGamepadName(controller)
             );
-            controllers[SDL_JoystickInstanceID(SDL_GameControllerGetJoystick(controller))] = controller;
+            controllers[SDL_GetJoystickID(SDL_GetGamepadJoystick(controller))] = controller;
             BUTTONGLYPHS_keyboard_set_active(false);
             BUTTONGLYPHS_update_layout(controller);
             break;
         }
-        case SDL_CONTROLLERDEVICEREMOVED:
+        case SDL_EVENT_GAMEPAD_REMOVED:
         {
             controller = controllers[evt.cdevice.which];
             controllers.erase(evt.cdevice.which);
-            vlog_info("Closing %s", SDL_GameControllerName(controller));
-            SDL_GameControllerClose(controller);
+            vlog_info("Closing %s", SDL_GetGamepadName(controller));
+            SDL_CloseGamepad(controller);
             if (controllers.empty())
             {
                 BUTTONGLYPHS_keyboard_set_active(true);
@@ -459,102 +446,96 @@ void KeyPoll::Poll(void)
             break;
         }
 
-        case SDL_RENDER_TARGETS_RESET:
+        case SDL_EVENT_RENDER_TARGETS_RESET:
             gameScreen.recacheTextures();
             break;
 
-        /* Window Events */
-        case SDL_WINDOWEVENT:
-            switch (evt.window.event)
+        /* Window Resize */
+        case SDL_EVENT_WINDOW_RESIZED:
+            if (SDL_GetWindowFlags(
+                SDL_GetWindowFromID(evt.window.windowID)
+            ) & SDL_WINDOW_INPUT_FOCUS)
             {
-            /* Window Resize */
-            case SDL_WINDOWEVENT_RESIZED:
-                if (SDL_GetWindowFlags(
-                    SDL_GetWindowFromID(evt.window.windowID)
-                ) & SDL_WINDOW_INPUT_FOCUS)
-                {
-                    resetWindow = true;
-                }
-                break;
-
-            /* Window Focus */
-            case SDL_WINDOWEVENT_FOCUS_GAINED:
-                if (!game.disablepause)
-                {
-                    isActive = true;
-                    if ((!game.disableaudiopause || !game.disabletemporaryaudiopause) && music.currentsong != -1)
-                    {
-                        music.resume();
-                        music.resumeef();
-                    }
-                }
-                if (SDL_strcmp(SDL_GetCurrentVideoDriver(), "x11") == 0)
-                {
-                    if (wasFullscreen)
-                    {
-                        gameScreen.isWindowed = false;
-                        SDL_SetWindowFullscreen(
-                            SDL_GetWindowFromID(evt.window.windowID),
-                            SDL_WINDOW_FULLSCREEN_DESKTOP
-                        );
-                    }
-                }
-                SDL_DisableScreenSaver();
-                break;
-            case SDL_WINDOWEVENT_FOCUS_LOST:
-                if (!game.disablepause)
-                {
-                    isActive = false;
-                    if (!game.disableaudiopause || !game.disabletemporaryaudiopause)
-                    {
-                        music.pause();
-                        music.pauseef();
-                    }
-                }
-
-                if (SDL_strcmp(SDL_GetCurrentVideoDriver(), "x11") == 0)
-                {
-                    wasFullscreen = !gameScreen.isWindowed;
-                    gameScreen.isWindowed = true;
-                    SDL_SetWindowFullscreen(
-                        SDL_GetWindowFromID(evt.window.windowID),
-                        0
-                    );
-                }
-                SDL_EnableScreenSaver();
-                break;
-
-            /* Mouse Focus */
-            case SDL_WINDOWEVENT_ENTER:
-                SDL_DisableScreenSaver();
-                break;
-            case SDL_WINDOWEVENT_LEAVE:
-                SDL_EnableScreenSaver();
-                break;
+                resetWindow = true;
             }
             break;
 
+        /* Window Focus */
+        case SDL_EVENT_WINDOW_FOCUS_GAINED:
+            if (!game.disablepause)
+            {
+                isActive = true;
+                if ((!game.disableaudiopause || !game.disabletemporaryaudiopause) && music.currentsong != -1)
+                {
+                    music.resume();
+                    music.resumeef();
+                }
+            }
+            if (SDL_strcmp(SDL_GetCurrentVideoDriver(), "x11") == 0)
+            {
+                if (wasFullscreen)
+                {
+                    gameScreen.isWindowed = false;
+                    SDL_SetWindowFullscreen(
+                        SDL_GetWindowFromID(evt.window.windowID),
+                        true
+                    );
+                }
+            }
+            SDL_DisableScreenSaver();
+            break;
+        case SDL_EVENT_WINDOW_FOCUS_LOST:
+            if (!game.disablepause)
+            {
+                isActive = false;
+                if (!game.disableaudiopause || !game.disabletemporaryaudiopause)
+                {
+                    music.pause();
+                    music.pauseef();
+                }
+            }
+
+            if (SDL_strcmp(SDL_GetCurrentVideoDriver(), "x11") == 0)
+            {
+                wasFullscreen = !gameScreen.isWindowed;
+                gameScreen.isWindowed = true;
+                SDL_SetWindowFullscreen(
+                    SDL_GetWindowFromID(evt.window.windowID),
+                    false
+                );
+            }
+            SDL_EnableScreenSaver();
+            break;
+
+        /* Mouse Focus */
+        case SDL_EVENT_WINDOW_MOUSE_ENTER:
+            SDL_DisableScreenSaver();
+            break;
+        case SDL_EVENT_WINDOW_MOUSE_LEAVE:
+            SDL_EnableScreenSaver();
+            break;
+
         /* Quit Event */
-        case SDL_QUIT:
+        case SDL_EVENT_QUIT:
             VVV_exit(0);
             break;
         }
 
         switch (evt.type)
         {
-        case SDL_KEYDOWN:
+        case SDL_EVENT_KEY_DOWN:
             if (evt.key.repeat == 0)
             {
                 hidemouse = true;
             }
             break;
-        case SDL_TEXTINPUT:
-        case SDL_CONTROLLERBUTTONDOWN:
-        case SDL_CONTROLLERAXISMOTION:
+        case SDL_EVENT_TEXT_INPUT:
+        case SDL_EVENT_GAMEPAD_BUTTON_DOWN:
+        case SDL_EVENT_GAMEPAD_AXIS_MOTION:
             hidemouse = true;
             break;
-        case SDL_MOUSEMOTION:
-        case SDL_MOUSEBUTTONDOWN:
+        case SDL_EVENT_MOUSE_MOTION:
+        case SDL_EVENT_MOUSE_BUTTON_DOWN:
             showmouse = true;
             break;
         }
@@ -571,7 +552,7 @@ void KeyPoll::Poll(void)
         toggleFullscreen();
     }
 
-    SDL_Rect rect;
+    SDL_FRect rect;
     graphics.get_stretch_info(&rect);
 
     int window_width;
@@ -602,7 +583,7 @@ bool KeyPoll::isDown(SDL_Keycode key)
     return keymap[key];
 }
 
-bool KeyPoll::isDown(std::vector<SDL_GameControllerButton> buttons)
+bool KeyPoll::isDown(std::vector<SDL_GamepadButton> buttons)
 {
     for (size_t i = 0; i < buttons.size(); i += 1)
     {
@@ -614,7 +595,7 @@ bool KeyPoll::isDown(std::vector<SDL_GameControllerButton> buttons)
     return false;
 }
 
-bool KeyPoll::isDown(SDL_GameControllerButton button)
+bool KeyPoll::isDown(SDL_GamepadButton button)
 {
     return buttonmap[button];
 }
@@ -622,9 +603,9 @@ bool KeyPoll::isDown(SDL_GameControllerButton button)
 bool KeyPoll::controllerButtonDown(void)
 {
     for (
-        SDL_GameControllerButton button = SDL_CONTROLLER_BUTTON_A;
-        button < SDL_CONTROLLER_BUTTON_DPAD_UP;
-        button = (SDL_GameControllerButton) (button + 1)
+        SDL_GamepadButton button = SDL_GAMEPAD_BUTTON_SOUTH;
+        button < SDL_GAMEPAD_BUTTON_DPAD_UP;
+        button = (SDL_GamepadButton) (button + 1)
     ) {
         if (isDown(button))
         {
@@ -636,28 +617,28 @@ bool KeyPoll::controllerButtonDown(void)
 
 bool KeyPoll::controllerWantsLeft(bool includeVert)
 {
-    return (    buttonmap[SDL_CONTROLLER_BUTTON_DPAD_LEFT] ||
+    return (    buttonmap[SDL_GAMEPAD_BUTTON_DPAD_LEFT] ||
             xVel < 0 ||
             (    includeVert &&
-                (    buttonmap[SDL_CONTROLLER_BUTTON_DPAD_UP] ||
+                (    buttonmap[SDL_GAMEPAD_BUTTON_DPAD_UP] ||
                     yVel < 0    )    )    );
 }
 
 bool KeyPoll::controllerWantsRight(bool includeVert)
 {
-    return (    buttonmap[SDL_CONTROLLER_BUTTON_DPAD_RIGHT] ||
+    return (    buttonmap[SDL_GAMEPAD_BUTTON_DPAD_RIGHT] ||
             xVel > 0 ||
             (    includeVert &&
-                (    buttonmap[SDL_CONTROLLER_BUTTON_DPAD_DOWN] ||
+                (    buttonmap[SDL_GAMEPAD_BUTTON_DPAD_DOWN] ||
                     yVel > 0    )    )    );
 }
 
 bool KeyPoll::controllerWantsUp(void)
 {
-    return buttonmap[SDL_CONTROLLER_BUTTON_DPAD_UP] || yVel < 0;
+    return buttonmap[SDL_GAMEPAD_BUTTON_DPAD_UP] || yVel < 0;
 }
 
 bool KeyPoll::controllerWantsDown(void)
 {
-    return buttonmap[SDL_CONTROLLER_BUTTON_DPAD_DOWN] || yVel > 0;
+    return buttonmap[SDL_GAMEPAD_BUTTON_DPAD_DOWN] || yVel > 0;
 }
diff --git a/desktop_version/src/KeyPoll.h b/desktop_version/src/KeyPoll.h
index d51a6b26..11627fee 100644
--- a/desktop_version/src/KeyPoll.h
+++ b/desktop_version/src/KeyPoll.h
@@ -2,7 +2,7 @@
 #define KEYPOLL_H
 
 #include <map> // FIXME: I should feel very bad for using C++ -flibit
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <string>
 #include <vector>
 
@@ -15,16 +15,16 @@ enum Kybrd
     KEYBOARD_ENTER = SDLK_RETURN,
     KEYBOARD_SPACE = SDLK_SPACE,
 
-    KEYBOARD_w = SDLK_w,
-    KEYBOARD_s = SDLK_s,
-    KEYBOARD_a = SDLK_a,
-    KEYBOARD_d = SDLK_d,
-    KEYBOARD_e = SDLK_e,
-    KEYBOARD_m = SDLK_m,
-    KEYBOARD_n = SDLK_n,
+    KEYBOARD_w = SDLK_W,
+    KEYBOARD_s = SDLK_S,
+    KEYBOARD_a = SDLK_A,
+    KEYBOARD_d = SDLK_D,
+    KEYBOARD_e = SDLK_E,
+    KEYBOARD_m = SDLK_M,
+    KEYBOARD_n = SDLK_N,
 
-    KEYBOARD_v = SDLK_v,
-    KEYBOARD_z = SDLK_z,
+    KEYBOARD_v = SDLK_V,
+    KEYBOARD_z = SDLK_Z,
 
     KEYBOARD_BACKSPACE = SDLK_BACKSPACE
 };
@@ -54,8 +54,8 @@ public:
 
     bool isDown(SDL_Keycode key);
 
-    bool isDown(std::vector<SDL_GameControllerButton> buttons);
-    bool isDown(SDL_GameControllerButton button);
+    bool isDown(std::vector<SDL_GamepadButton> buttons);
+    bool isDown(SDL_GamepadButton button);
     bool controllerButtonDown(void);
     bool controllerWantsLeft(bool includeVert);
     bool controllerWantsRight(bool includeVert);
@@ -76,8 +76,8 @@ public:
     bool linealreadyemptykludge;
 
 private:
-    std::map<SDL_JoystickID, SDL_GameController*> controllers;
-    std::map<SDL_GameControllerButton, bool> buttonmap;
+    std::map<SDL_JoystickID, SDL_Gamepad*> controllers;
+    std::map<SDL_GamepadButton, bool> buttonmap;
     int xVel, yVel;
     Uint32 wasFullscreen;
 };
diff --git a/desktop_version/src/LevelDebugger.cpp b/desktop_version/src/LevelDebugger.cpp
index ff16badb..156aaba6 100644
--- a/desktop_version/src/LevelDebugger.cpp
+++ b/desktop_version/src/LevelDebugger.cpp
@@ -63,7 +63,7 @@ namespace level_debugger
             return;
         }
 
-        if (key.isDown(SDLK_y))
+        if (key.isDown(SDLK_Y))
         {
             if (!debug_held)
             {
@@ -314,7 +314,7 @@ namespace level_debugger
 
         int line = 0;
 
-        if (key.isDown(SDLK_u))
+        if (key.isDown(SDLK_U))
         {
             SDL_Color on = graphics.getRGB(220 - (help.glow), 220 - (help.glow), 255 - (help.glow / 2));
             SDL_Color off = graphics.getRGB(220 / 1.5 - (help.glow), 220 / 1.5 - (help.glow), 255 / 1.5 - (help.glow / 2));
diff --git a/desktop_version/src/LevelDebugger.h b/desktop_version/src/LevelDebugger.h
index 4d800eb7..a658570a 100644
--- a/desktop_version/src/LevelDebugger.h
+++ b/desktop_version/src/LevelDebugger.h
@@ -1,7 +1,7 @@
 #ifndef LEVELDEBUGGER_H
 #define LEVELDEBUGGER_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 namespace level_debugger
 {
diff --git a/desktop_version/src/Music.cpp b/desktop_version/src/Music.cpp
index a55310c9..15106276 100644
--- a/desktop_version/src/Music.cpp
+++ b/desktop_version/src/Music.cpp
@@ -1,7 +1,7 @@
 #define MUSIC_DEFINITION
 #include "Music.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <FAudio.h>
 
 #include "Alloc.h"
@@ -45,7 +45,7 @@
 
 #define assert SDL_assert
 
-#define FILE SDL_RWops
+#define FILE SDL_IOStream
 #ifdef SEEK_SET
 #undef SEEK_SET
 #endif
@@ -58,16 +58,16 @@
 #ifdef EOF
 #undef EOF
 #endif
-#define SEEK_SET 0
-#define SEEK_CUR 1
-#define SEEK_END 2
+#define SEEK_SET SDL_IO_SEEK_SET
+#define SEEK_CUR SDL_IO_SEEK_CUR
+#define SEEK_END SDL_IO_SEEK_END
 #define EOF -1
-#define fopen(path, mode) SDL_RWFromFile(path, mode)
+#define fopen(path, mode) SDL_IOFromFile(path, mode)
 #define fopen_s(io, path, mode) (!(*io = fopen(path, mode)))
-#define fclose(io) SDL_RWclose(io)
-#define fread(dst, size, count, io) SDL_RWread(io, dst, size, count)
-#define fseek(io, offset, whence) SDL_RWseek(io, offset, whence)
-#define ftell(io) SDL_RWtell(io)
+#define fclose(io) SDL_CloseIO(io)
+#define fread(dst, size, count, io) SDL_ReadIO(io, dst, ((size) * (count)))
+#define fseek(io, offset, whence) SDL_SeekIO(io, offset, whence)
+#define ftell(io) SDL_TellIO(io)
 
 #define FAudio_alloca(x) SDL_stack_alloc(uint8_t, x)
 #define FAudio_dealloca(x) SDL_stack_free(x)
@@ -125,9 +125,9 @@ public:
     void LoadWAV(const char* fileName, unsigned char* mem, const size_t length)
     {
         SDL_AudioSpec spec;
-        SDL_RWops *fileIn;
-        fileIn = SDL_RWFromConstMem(mem, length);
-        if (SDL_LoadWAV_RW(fileIn, 1, &spec, &wav_buffer, &wav_length) == NULL)
+        SDL_IOStream *fileIn;
+        fileIn = SDL_IOFromConstMem(mem, length);
+        if (!SDL_LoadWAV_IO(fileIn, 1, &spec, &wav_buffer, &wav_length))
         {
             vlog_error("Unable to load WAV file %s", fileName);
             goto end;
@@ -378,26 +378,26 @@ float SoundTrack::volume = 0.0f;
 class MusicTrack
 {
 public:
-    MusicTrack(SDL_RWops *rw, const char* _id, bool _loose_extra)
+    MusicTrack(SDL_IOStream *rw, const char* _id, bool _loose_extra)
     {
         SDL_zerop(this);
 
         id = SDL_strdup(_id);
         loose_extra = _loose_extra;
 
-        if (rw->size(rw) <= 1)
+        if (SDL_GetIOSize(rw) <= 1)
         {
             // Don't bother
             vlog_debug("Skipping empty music track");
             goto end;
         }
-        read_buf = (Uint8*) SDL_malloc(rw->size(rw));
-        SDL_RWread(rw, read_buf, rw->size(rw), 1);
+        read_buf = (Uint8*) SDL_malloc(SDL_GetIOSize(rw));
+        SDL_ReadIO(rw, read_buf, SDL_GetIOSize(rw));
         int err;
         stb_vorbis_info vorbis_info;
         stb_vorbis_comment vorbis_comment;
 
-        vorbis = stb_vorbis_open_memory(read_buf, rw->size(rw), &err, NULL);
+        vorbis = stb_vorbis_open_memory(read_buf, SDL_GetIOSize(rw), &err, NULL);
         if (vorbis == NULL)
         {
             vlog_error("Unable to create Vorbis handle, error %d", err);
@@ -426,7 +426,7 @@ public:
         valid = true;
 
 end:
-        SDL_RWclose(rw);
+        SDL_CloseIO(rw);
     }
 
     void Dispose(void)
@@ -792,7 +792,7 @@ static void add_builtin_sound(const char* id)
     soundTracks.push_back(SoundTrack(asset_filename, id, false));
 }
 
-static void add_builtin_track(SDL_RWops* rw, const char* track_name)
+static void add_builtin_track(SDL_IOStream* rw, const char* track_name)
 {
     // Make an ID from the track name
     char id[256];
@@ -896,7 +896,7 @@ void musicclass::init(void)
     {
         // If mmmmmm.vvv is invalid, or doesn't exist...
 
-        SDL_RWops* rw;
+        SDL_IOStream* rw;
 
         if (pppppp_blob.unPackBinary("vvvvvvmusic.vvv"))
         {
@@ -920,7 +920,7 @@ void musicclass::init(void)
         index = blob.getIndex("data/" track_name); \
         if (index >= 0 && index < blob.max_headers) \
         { \
-            rw = SDL_RWFromConstMem(blob.getAddress(index), blob.getSize(index)); \
+            rw = SDL_IOFromConstMem(blob.getAddress(index), blob.getSize(index)); \
             if (rw == NULL) \
             { \
                 vlog_error("Unable to read music file header: %s", SDL_GetError()); \
@@ -968,7 +968,7 @@ void musicclass::init(void)
 
         mmmmmm = true;
         int index;
-        SDL_RWops* rw;
+        SDL_IOStream* rw;
 
 #define FOREACH_TRACK(blob, track_name) TRACK_LOAD_BLOB(blob, track_name)
 
@@ -979,7 +979,7 @@ void musicclass::init(void)
         size_t index_ = 0;
         while (mmmmmm_blob.nextExtra(&index_))
         {
-            rw = SDL_RWFromConstMem(mmmmmm_blob.getAddress(index_), mmmmmm_blob.getSize(index_));
+            rw = SDL_IOFromConstMem(mmmmmm_blob.getAddress(index_), mmmmmm_blob.getSize(index_));
             add_builtin_track(rw, mmmmmm_blob.m_headers[index_].name);
 
             num_mmmmmm_tracks++;
@@ -997,11 +997,11 @@ void musicclass::init(void)
 
     num_pppppp_tracks += musicTracks.size() - num_mmmmmm_tracks;
 
-    SDL_RWops* rw;
+    SDL_IOStream* rw;
     size_t index_ = 0;
     while (pppppp_blob.nextExtra(&index_))
     {
-        rw = SDL_RWFromConstMem(pppppp_blob.getAddress(index_), pppppp_blob.getSize(index_));
+        rw = SDL_IOFromConstMem(pppppp_blob.getAddress(index_), pppppp_blob.getSize(index_));
         add_builtin_track(rw, pppppp_blob.m_headers[index_].name);
 
         num_pppppp_tracks++;
@@ -1035,7 +1035,7 @@ void musicclass::init(void)
         }
         else
         {
-            rw = SDL_RWFromConstMem(mem, len);
+            rw = SDL_IOFromConstMem(mem, len);
             if (rw == NULL)
             {
                 vlog_error("Unable to read loose extra music file from memory: %s", SDL_GetError());
diff --git a/desktop_version/src/Render.cpp b/desktop_version/src/Render.cpp
index 771927bf..1efebf3d 100644
--- a/desktop_version/src/Render.cpp
+++ b/desktop_version/src/Render.cpp
@@ -1,4 +1,4 @@
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 #include "ActionSets.h"
 #include "ButtonGlyphs.h"
@@ -1873,7 +1873,7 @@ static void menurender(void)
         {
             if (game.currentmenuoption == 1)
             {
-                if (SDL_GetHintBoolean("SteamDeck", SDL_FALSE))
+                if (SDL_GetHintBoolean("SteamDeck", false))
                 {
                     font::print_wrap(PR_CEN, -1, 180, loc::gettext("The level editor is not currently supported on Steam Deck, as it requires a keyboard and mouse to use."), tr, tg, tb);
                 }
diff --git a/desktop_version/src/RoomnameTranslator.cpp b/desktop_version/src/RoomnameTranslator.cpp
index f3931d20..20240ce0 100644
--- a/desktop_version/src/RoomnameTranslator.cpp
+++ b/desktop_version/src/RoomnameTranslator.cpp
@@ -323,7 +323,7 @@ namespace roomname_translator
 
         if (help_screen)
         {
-            if ((key.isDown(SDLK_LCTRL) || key.isDown(SDLK_RCTRL)) && key_pressed_once(SDLK_e, &held_e))
+            if ((key.isDown(SDLK_LCTRL) || key.isDown(SDLK_RCTRL)) && key_pressed_once(SDLK_E, &held_e))
             {
                 expl_mode = !expl_mode;
             }
@@ -386,7 +386,7 @@ namespace roomname_translator
             edit_mode = !edit_mode;
         }
 
-        if (key_pressed_once(SDLK_i, &held_i))
+        if (key_pressed_once(SDLK_I, &held_i))
         {
             if (game.intimetrial)
             {
@@ -412,13 +412,13 @@ namespace roomname_translator
                 return true;
             }
 
-            if ((key.isDown(SDLK_LCTRL) || key.isDown(SDLK_RCTRL)) && key_pressed_once(SDLK_e, &held_e))
+            if ((key.isDown(SDLK_LCTRL) || key.isDown(SDLK_RCTRL)) && key_pressed_once(SDLK_E, &held_e))
             {
                 expl_mode = !expl_mode;
                 return true;
             }
 
-            if (key_pressed_once(SDLK_RETURN, &held_return) || key_pressed_once(SDLK_e, &held_e))
+            if (key_pressed_once(SDLK_RETURN, &held_return) || key_pressed_once(SDLK_E, &held_e))
             {
                 if (map.roomname_special || map.roomname[0] == '\0')
                 {
diff --git a/desktop_version/src/RoomnameTranslator.h b/desktop_version/src/RoomnameTranslator.h
index 0a0cbac8..3e72b749 100644
--- a/desktop_version/src/RoomnameTranslator.h
+++ b/desktop_version/src/RoomnameTranslator.h
@@ -1,7 +1,7 @@
 #ifndef ROOMNAMETRANSLATOR_H
 #define ROOMNAMETRANSLATOR_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 namespace roomname_translator
 {
diff --git a/desktop_version/src/SDL_uikit_main.c b/desktop_version/src/SDL_uikit_main.c
index 6ce34929..3c41bae8 100644
--- a/desktop_version/src/SDL_uikit_main.c
+++ b/desktop_version/src/SDL_uikit_main.c
@@ -3,9 +3,9 @@
 */
 
 /* Include the SDL main definition header */
-#include "SDL_main.h"
+#include <SDL3/SDL_main.h>
 
-#if defined(__IPHONEOS__) || defined(__TVOS__)
+#if defined(SDL_PLATFORM_IOS) || defined(SDL_PLATFORM_TVOS)
 
 #ifndef SDL_MAIN_HANDLED
 #ifdef main
@@ -14,10 +14,10 @@
 
 int main(int argc, char *argv[])
 {
-    return SDL_UIKitRunApp(argc, argv, SDL_main);
+    return SDL_RunApp(argc, argv, SDL_main, NULL);
 }
 #endif /* !SDL_MAIN_HANDLED */
 
-#endif /* __IPHONEOS__ || __TVOS__ */
+#endif /* SDL_PLATFORM_IOS || SDL_PLATFORM_TVOS */
 
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/desktop_version/src/Screen.cpp b/desktop_version/src/Screen.cpp
index 9c382a21..b912bb36 100644
--- a/desktop_version/src/Screen.cpp
+++ b/desktop_version/src/Screen.cpp
@@ -1,7 +1,7 @@
 #define GAMESCREEN_DEFINITION
 #include "Screen.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 #include "Alloc.h"
 #include "Constants.h"
@@ -12,7 +12,7 @@
 #include "Game.h"
 #include "Graphics.h"
 #include "GraphicsUtil.h"
-#ifndef __APPLE__
+#ifndef SDL_PLATFORM_APPLE
 #include "GraphicsResources.h"
 #endif
 #include "InterimVersion.h"
@@ -50,11 +50,9 @@ void Screen::init(const struct ScreenSettings* settings)
 
     m_window = SDL_CreateWindow(
         "VVVVVV",
-        SDL_WINDOWPOS_CENTERED_DISPLAY(windowDisplay),
-        SDL_WINDOWPOS_CENTERED_DISPLAY(windowDisplay),
         SCREEN_WIDTH_PIXELS * 2,
         SCREEN_HEIGHT_PIXELS * 2,
-        SDL_WINDOW_HIDDEN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI
+        SDL_WINDOW_HIDDEN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIGH_PIXEL_DENSITY
     );
 
     if (m_window == NULL)
@@ -63,7 +61,13 @@ void Screen::init(const struct ScreenSettings* settings)
         VVV_exit(1);
     }
 
-    m_renderer = SDL_CreateRenderer(m_window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE);
+    SDL_SetWindowPosition(
+        m_window,
+        SDL_WINDOWPOS_CENTERED_DISPLAY(windowDisplay),
+        SDL_WINDOWPOS_CENTERED_DISPLAY(windowDisplay)
+    );
+
+    m_renderer = SDL_CreateRenderer(m_window, NULL);
 
     if (m_renderer == NULL)
     {
@@ -71,7 +75,9 @@ void Screen::init(const struct ScreenSettings* settings)
         VVV_exit(1);
     }
 
-    SDL_RenderSetVSync(m_renderer, (int) vsync);
+    SDL_SetDefaultTextureScaleMode(m_renderer, SDL_SCALEMODE_NEAREST);
+
+    SDL_SetRenderVSync(m_renderer, (int) vsync);
 
 #ifdef INTERIM_VERSION_EXISTS
     /* Branch name limits are ill-defined but on GitHub it's ~256 chars
@@ -100,7 +106,7 @@ void Screen::destroy(void)
 
 void Screen::GetSettings(struct ScreenSettings* settings)
 {
-    windowDisplay = SDL_GetWindowDisplayIndex(m_window);
+    windowDisplay = SDL_GetDisplayForWindow(m_window);
     if (windowDisplay < 0)
     {
         vlog_error("Error: could not get display index: %s", SDL_GetError());
@@ -117,7 +123,7 @@ void Screen::GetSettings(struct ScreenSettings* settings)
     settings->badSignal = badSignalEffect;
 }
 
-#ifdef __APPLE__
+#ifdef SDL_PLATFORM_APPLE
 /* Apple doesn't like icons anymore... */
 void Screen::LoadIcon(void)
 {
@@ -132,13 +138,13 @@ void Screen::LoadIcon(void)
         return;
     }
     SDL_SetWindowIcon(m_window, icon);
-    VVV_freefunc(SDL_FreeSurface, icon);
+    VVV_freefunc(SDL_DestroySurface, icon);
 }
-#endif /* __APPLE__ */
+#endif /* SDL_PLATFORM_APPLE */
 
 void Screen::ResizeScreen(int x, int y)
 {
-    windowDisplay = SDL_GetWindowDisplayIndex(m_window);
+    windowDisplay = SDL_GetDisplayForWindow(m_window);
     if (windowDisplay < 0)
     {
         vlog_error("Error: could not get display index: %s", SDL_GetError());
@@ -154,8 +160,7 @@ void Screen::ResizeScreen(int x, int y)
 
     if (!isWindowed || isForcedFullscreen())
     {
-        int result = SDL_SetWindowFullscreen(m_window, SDL_WINDOW_FULLSCREEN_DESKTOP);
-        if (result != 0)
+        if (!SDL_SetWindowFullscreen(m_window, true))
         {
             vlog_error("Error: could not set the game to fullscreen mode: %s", SDL_GetError());
             return;
@@ -163,8 +168,7 @@ void Screen::ResizeScreen(int x, int y)
     }
     else
     {
-        int result = SDL_SetWindowFullscreen(m_window, 0);
-        if (result != 0)
+        if (!SDL_SetWindowFullscreen(m_window, false))
         {
             vlog_error("Error: could not set the game to windowed mode: %s", SDL_GetError());
         }
@@ -182,15 +186,14 @@ void Screen::ResizeScreen(int x, int y)
 
 static void constrain_to_desktop(int display_index, int* width, int* height)
 {
-    SDL_DisplayMode display_mode = {};
-    int success = SDL_GetDesktopDisplayMode(display_index, &display_mode);
-    if (success != 0)
+    const SDL_DisplayMode *display_mode = SDL_GetDesktopDisplayMode(display_index);
+    if (display_mode == NULL)
     {
         vlog_error("Could not get desktop display mode: %s", SDL_GetError());
         return;
     }
 
-    while ((*width > display_mode.w || *height > display_mode.h)
+    while ((*width > display_mode->w || *height > display_mode->h)
     && *width > SCREEN_WIDTH_PIXELS && *height > SCREEN_HEIGHT_PIXELS)
     {
         // We are too big, take away one multiple
@@ -257,7 +260,7 @@ void Screen::ResizeToNearestMultiple(void)
         h = final_dimension;
     }
 
-    windowDisplay = SDL_GetWindowDisplayIndex(m_window);
+    windowDisplay = SDL_GetDisplayForWindow(m_window);
     if (windowDisplay < 0)
     {
         vlog_error("Could not get display index: %s", SDL_GetError());
@@ -271,7 +274,7 @@ void Screen::ResizeToNearestMultiple(void)
 
 void Screen::GetScreenSize(int* x, int* y)
 {
-    if (SDL_GetRendererOutputSize(m_renderer, x, y) != 0)
+    if (!SDL_GetCurrentRenderOutputSize(m_renderer, x, y))
     {
         vlog_error("Could not get window size: %s", SDL_GetError());
         /* Initialize to safe defaults */
@@ -340,19 +343,19 @@ void Screen::toggleLinearFilter(void)
 
     SDL_SetTextureScaleMode(
         graphics.gameTexture,
-        isFiltered ? SDL_ScaleModeLinear : SDL_ScaleModeNearest
+        isFiltered ? SDL_SCALEMODE_LINEAR : SDL_SCALEMODE_NEAREST
     );
 
     SDL_SetTextureScaleMode(
         graphics.tempShakeTexture,
-        isFiltered ? SDL_ScaleModeLinear : SDL_ScaleModeNearest
+        isFiltered ? SDL_SCALEMODE_LINEAR : SDL_SCALEMODE_NEAREST
     );
 }
 
 void Screen::toggleVSync(void)
 {
     vsync = !vsync;
-    SDL_RenderSetVSync(m_renderer, (int) vsync);
+    SDL_SetRenderVSync(m_renderer, (int) vsync);
 }
 
 void Screen::recacheTextures(void)
@@ -388,9 +391,9 @@ bool Screen::isForcedFullscreen(void)
      * If you're working on a tenfoot-only build, add a def that always
      * returns true!
      */
-#if defined(__ANDROID__) || TARGET_OS_IPHONE
+#if defined(SDL_PLATFORM_ANDROID) || TARGET_OS_IPHONE
     return true;
 #else
-    return SDL_GetHintBoolean("SteamTenfoot", SDL_FALSE);
+    return SDL_GetHintBoolean("SteamTenfoot", false);
 #endif
 }
diff --git a/desktop_version/src/Screen.h b/desktop_version/src/Screen.h
index 579417a8..cd03aad7 100644
--- a/desktop_version/src/Screen.h
+++ b/desktop_version/src/Screen.h
@@ -1,7 +1,7 @@
 #ifndef SCREEN_H
 #define SCREEN_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 #include "ScreenSettings.h"
 
diff --git a/desktop_version/src/Script.cpp b/desktop_version/src/Script.cpp
index 0b6e7c13..17e59b28 100644
--- a/desktop_version/src/Script.cpp
+++ b/desktop_version/src/Script.cpp
@@ -2,7 +2,7 @@
 #include "Script.h"
 
 #include <limits.h>
-#include <SDL_timer.h>
+#include <SDL3/SDL_timer.h>
 
 #include "Alloc.h"
 #include "Constants.h"
@@ -3256,7 +3256,7 @@ void scriptclass::hardreset(void)
     if (game.seed_use_sdl_getticks)
     {
         /* The RNG is 32-bit. We don't _really_ need 64-bit... */
-        xoshiro_seed((Uint32) SDL_GetTicks64());
+        xoshiro_seed((Uint32) SDL_GetTicks());
     }
     else
     {
diff --git a/desktop_version/src/Script.h b/desktop_version/src/Script.h
index 07607def..4aa8d29a 100644
--- a/desktop_version/src/Script.h
+++ b/desktop_version/src/Script.h
@@ -2,7 +2,7 @@
 #define SCRIPT_H
 
 #include <map>
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <string>
 #include <vector>
 
diff --git a/desktop_version/src/Scripts.cpp b/desktop_version/src/Scripts.cpp
index 18f1984c..fe8c90b2 100644
--- a/desktop_version/src/Scripts.cpp
+++ b/desktop_version/src/Scripts.cpp
@@ -1,6 +1,6 @@
 #include "Script.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 bool scriptclass::load(const std::string& name)
 {
diff --git a/desktop_version/src/SteamNetwork.c b/desktop_version/src/SteamNetwork.c
index 471bbc10..c3d652e3 100644
--- a/desktop_version/src/SteamNetwork.c
+++ b/desktop_version/src/SteamNetwork.c
@@ -3,7 +3,7 @@
 #ifndef MAKEANDPLAY
 
 #include <stdint.h>
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 #include "CWrappers.h"
 #include "Vlogging.h"
@@ -18,9 +18,9 @@
 
 #if defined(_WIN32)
 #define STEAM_LIBRARY "steam_api.dll"
-#elif defined(__APPLE__)
+#elif defined(SDL_PLATFORM_APPLE)
 #define STEAM_LIBRARY "libsteam_api.dylib"
-#elif defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__HAIKU__) || defined(__DragonFly__)
+#elif defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_FREEBSD) || defined(SDL_PLATFORM_OPENBSD) || defined(SDL_PLATFORM_HAIKU) || defined(__DragonFly__)
 #define STEAM_LIBRARY "libsteam_api.so"
 #else
 #error STEAM_LIBRARY: Unrecognized platform!
@@ -145,10 +145,12 @@ static void run_screenshot()
         return;
     }
 
+    const SDL_PixelFormatDetails* details = SDL_GetPixelFormatDetails(surface2x->format);
+
     SteamAPI_ISteamScreenshots_WriteScreenshot(
         steamScreenshots,
         surface2x->pixels,
-        surface2x->w * surface2x->h * surface2x->format->BytesPerPixel,
+        surface2x->w * surface2x->h * details->bytes_per_pixel,
         surface2x->w,
         surface2x->h
     );
@@ -160,7 +162,7 @@ static int32_t steamPipe = 0;
 
 int32_t STEAM_init(void)
 {
-#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__HAIKU__) || defined(__DragonFly__)
+#if defined(SDL_PLATFORM_FREEBSD) || defined(SDL_PLATFORM_OPENBSD) || defined(SDL_PLATFORM_HAIKU) || defined(__DragonFly__)
     return 0;
 #endif
     struct ISteamClient *steamClient;
diff --git a/desktop_version/src/TerminalScripts.cpp b/desktop_version/src/TerminalScripts.cpp
index b072b441..8aaccee4 100644
--- a/desktop_version/src/TerminalScripts.cpp
+++ b/desktop_version/src/TerminalScripts.cpp
@@ -1,6 +1,6 @@
 #include "Script.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 void scriptclass::loadother(const char* t)
 {
diff --git a/desktop_version/src/Textbook.c b/desktop_version/src/Textbook.c
index b314d1b6..d136dd5e 100644
--- a/desktop_version/src/Textbook.c
+++ b/desktop_version/src/Textbook.c
@@ -1,6 +1,6 @@
 #include "Textbook.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 #include "Alloc.h"
 #include "Vlogging.h"
diff --git a/desktop_version/src/Textbook.h b/desktop_version/src/Textbook.h
index 58ebb6e4..0cca5e62 100644
--- a/desktop_version/src/Textbook.h
+++ b/desktop_version/src/Textbook.h
@@ -1,7 +1,7 @@
 #ifndef TEXTBOOK_H
 #define TEXTBOOK_H
 
-#include <SDL_stdinc.h>
+#include <SDL3/SDL_stdinc.h>
 #include <stdbool.h>
 #include <stddef.h>
 
diff --git a/desktop_version/src/Textbox.cpp b/desktop_version/src/Textbox.cpp
index 40285c8e..9571cce9 100644
--- a/desktop_version/src/Textbox.cpp
+++ b/desktop_version/src/Textbox.cpp
@@ -1,6 +1,6 @@
 #include "Textbox.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 #include "Font.h"
 #include "Localization.h"
diff --git a/desktop_version/src/ThirdPartyDeps.c b/desktop_version/src/ThirdPartyDeps.c
index c0c7b406..dc70d4be 100644
--- a/desktop_version/src/ThirdPartyDeps.c
+++ b/desktop_version/src/ThirdPartyDeps.c
@@ -1,4 +1,4 @@
-#include <SDL_stdinc.h>
+#include <SDL3/SDL_stdinc.h>
 
 #include "Alloc.h"
 
diff --git a/desktop_version/src/Tower.cpp b/desktop_version/src/Tower.cpp
index 1d2a0471..76ace007 100644
--- a/desktop_version/src/Tower.cpp
+++ b/desktop_version/src/Tower.cpp
@@ -1,6 +1,6 @@
 #include "Tower.h"
 
-#include <SDL_stdinc.h>
+#include <SDL3/SDL_stdinc.h>
 #include <stddef.h>
 
 #include "Constants.h"
diff --git a/desktop_version/src/TowerBG.h b/desktop_version/src/TowerBG.h
index 2be0bc23..d743fef4 100644
--- a/desktop_version/src/TowerBG.h
+++ b/desktop_version/src/TowerBG.h
@@ -1,7 +1,7 @@
 #ifndef TOWERBG_H
 #define TOWERBG_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 
 struct TowerBG
 {
diff --git a/desktop_version/src/Unreachable.h b/desktop_version/src/Unreachable.h
index 28b18868..69d80f1f 100644
--- a/desktop_version/src/Unreachable.h
+++ b/desktop_version/src/Unreachable.h
@@ -1,13 +1,13 @@
 #ifndef UNREACHABLE_H
 #define UNREACHABLE_H
 
-#include <SDL_stdinc.h>
+#include <SDL3/SDL_stdinc.h>
 
 SDL_NORETURN SDL_INLINE void VVV_unreachable(void)
 {
     /* __builtin_unreachable() and __assume(0) execute undefined behavior.
      * Otherwise, a noreturn function returning is also undefined behavior. */
-#if _SDL_HAS_BUILTIN(__builtin_unreachable)
+#if SDL_HAS_BUILTIN(__builtin_unreachable)
     __builtin_unreachable();
 #elif defined(_MSC_VER)
     __assume(0);
diff --git a/desktop_version/src/UtilityClass.cpp b/desktop_version/src/UtilityClass.cpp
index 64766733..6e993762 100644
--- a/desktop_version/src/UtilityClass.cpp
+++ b/desktop_version/src/UtilityClass.cpp
@@ -1,7 +1,7 @@
 #define HELP_DEFINITION
 #include "UtilityClass.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <sstream>
 
 #include "Constants.h"
@@ -216,7 +216,7 @@ std::string UtilityClass::number_words(int _t, const char* number_class)
 
 bool UtilityClass::intersects( SDL_Rect A, SDL_Rect B )
 {
-    return (SDL_HasIntersection(&A, &B) == SDL_TRUE);
+    return (SDL_HasRectIntersection(&A, &B) == true);
 }
 
 void UtilityClass::updateglow(void)
diff --git a/desktop_version/src/UtilityClass.h b/desktop_version/src/UtilityClass.h
index 586dd2d2..a9d6d867 100644
--- a/desktop_version/src/UtilityClass.h
+++ b/desktop_version/src/UtilityClass.h
@@ -1,7 +1,7 @@
 #ifndef UTILITYCLASS_H
 #define UTILITYCLASS_H
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <string>
 
 int ss_toi(const std::string& str);
diff --git a/desktop_version/src/VFormat.c b/desktop_version/src/VFormat.c
index 09bef427..494057f3 100644
--- a/desktop_version/src/VFormat.c
+++ b/desktop_version/src/VFormat.c
@@ -1,6 +1,6 @@
 #include "VFormat.h"
 
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <stdbool.h>
 
 #include "Alloc.h"
diff --git a/desktop_version/src/Vlogging.c b/desktop_version/src/Vlogging.c
index 15c6a69a..5d77e07b 100644
--- a/desktop_version/src/Vlogging.c
+++ b/desktop_version/src/Vlogging.c
@@ -3,18 +3,18 @@
 #include <stdarg.h>
 #include <stdio.h>
 
-#if defined(__ANDROID__) || TARGET_OS_IPHONE
+#if defined(SDL_PLATFORM_ANDROID) || TARGET_OS_IPHONE
 // forward to SDL logging on Android, since stdout/stderr are /dev/null
 // they exist on iOS, but just get forwarded to the system log anyway, so might as well provide proper metadata
 #define VLOG_USE_SDL 1
 #endif
 
 #ifdef VLOG_USE_SDL
-#   include <SDL_log.h>
+#   include <SDL3/SDL_log.h>
 #elif defined(_WIN32)
 #   define WIN32_LEAN_AND_MEAN
 #   include <windows.h>
-#elif defined(__unix__) || defined(__APPLE__)
+#elif defined(SDL_PLATFORM_UNI) || defined(SDL_PLATFORM_APPLE)
 #   include <unistd.h>
 #endif
 
@@ -26,7 +26,7 @@
 #define Color_BOLD_RED COLOR("\x1b[1;31m")
 #define Color_BOLD_GRAY COLOR("\x1b[1;90m")
 
-#ifdef __ANDROID__
+#ifdef SDL_PLATFORM_ANDROID
 const int color_supported = 0;
 #else
 static int color_supported = 0;
@@ -44,7 +44,7 @@ static void check_color_support(void);
 void vlog_init(void)
 {
 #ifdef VLOG_USE_SDL
-    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_VERBOSE);
+    SDL_SetLogPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_VERBOSE);
 #endif
     check_color_support();
 }
@@ -285,7 +285,7 @@ static void check_color_support(void)
     }
 
     color_supported = 1;
-#elif (defined(__unix__) || defined(__APPLE__)) && !defined(VLOG_USE_SDL)
+#elif (defined(SDL_PLATFORM_UNI) || defined(SDL_PLATFORM_APPLE)) && !defined(VLOG_USE_SDL)
     if (isatty(STDOUT_FILENO) && isatty(STDERR_FILENO))
     {
         color_supported = 1;
diff --git a/desktop_version/src/Vlogging.h b/desktop_version/src/Vlogging.h
index 99d203a8..53256662 100644
--- a/desktop_version/src/Vlogging.h
+++ b/desktop_version/src/Vlogging.h
@@ -6,7 +6,7 @@ extern "C"
 {
 #endif
 
-#include <SDL_stdinc.h>
+#include <SDL3/SDL_stdinc.h>
 
 void vlog_init(void);
 
diff --git a/desktop_version/src/XMLUtils.cpp b/desktop_version/src/XMLUtils.cpp
index f0010563..dd1b45c3 100644
--- a/desktop_version/src/XMLUtils.cpp
+++ b/desktop_version/src/XMLUtils.cpp
@@ -1,4 +1,4 @@
-#include <SDL.h>
+#include <SDL3/SDL.h>
 #include <tinyxml2.h>
 
 namespace xml
diff --git a/desktop_version/src/main.cpp b/desktop_version/src/main.cpp
index 4b87dbff..58396256 100644
--- a/desktop_version/src/main.cpp
+++ b/desktop_version/src/main.cpp
@@ -1,7 +1,9 @@
-#include <SDL.h>
-#ifdef __EMSCRIPTEN__
+#include <SDL3/SDL.h>
+#ifdef SDL_PLATFORM_EMSCRIPTEN
 #include <emscripten.h>
 #include <emscripten/html5.h>
+#elif defined(SDL_PLATFORM_WINDOWS)
+#include <SDL3/SDL_main.h>
 #endif
 
 #include "ButtonGlyphs.h"
@@ -67,7 +69,7 @@ static volatile Uint64 time_ = 0;
 static volatile Uint64 timePrev = 0;
 static volatile Uint32 accumulator = 0;
 
-#ifndef __EMSCRIPTEN__
+#ifndef SDL_PLATFORM_EMSCRIPTEN
 static volatile Uint64 f_time = 0;
 static volatile Uint64 f_timePrev = 0;
 #endif
@@ -354,11 +356,11 @@ static void inline deltaloop(void);
 
 static void cleanup(void);
 
-#ifdef __EMSCRIPTEN__
+#ifdef SDL_PLATFORM_EMSCRIPTEN
 static void emscriptenloop(void)
 {
     timePrev = time_;
-    time_ = SDL_GetTicks64();
+    time_ = SDL_GetTicks();
     deltaloop();
 }
 #endif
@@ -598,12 +600,7 @@ int main(int argc, char *argv[])
         VVV_exit(0);
     }
 
-    SDL_SetHintWithPriority(SDL_HINT_IME_SHOW_UI, "1", SDL_HINT_OVERRIDE);
-    SDL_SetHintWithPriority(SDL_HINT_IME_SUPPORT_EXTENDED_TEXT, "1", SDL_HINT_OVERRIDE);
-
-    /* We already do the button swapping in ButtonGlyphs, disable SDL's swapping */
-    SDL_SetHintWithPriority(SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS, "0", SDL_HINT_OVERRIDE);
-
+    SDL_SetHintWithPriority(SDL_HINT_IME_IMPLEMENTED_UI, "1", SDL_HINT_OVERRIDE);
     SDL_SetHintWithPriority(SDL_HINT_ORIENTATIONS, "LandscapeLeft LandscapeRight", SDL_HINT_OVERRIDE);
 
     if(!FILESYSTEM_init(argv[0], baseDir, assetsPath, langDir, fontsDir))
@@ -617,11 +614,11 @@ int main(int argc, char *argv[])
         SDL_INIT_VIDEO |
         SDL_INIT_AUDIO |
         SDL_INIT_JOYSTICK |
-        SDL_INIT_GAMECONTROLLER
+        SDL_INIT_GAMEPAD
     );
-    if (SDL_IsTextInputActive() == SDL_TRUE)
+    if (SDL_TextInputActive(gameScreen.m_window) == true)
     {
-        SDL_StopTextInput();
+        SDL_StopTextInput(gameScreen.m_window);
     }
 
     NETWORK_init();
@@ -861,12 +858,12 @@ int main(int argc, char *argv[])
     gamestate_funcs = get_gamestate_funcs(game.gamestate, &num_gamestate_funcs);
     loop_assign_active_funcs();
 
-#ifdef __EMSCRIPTEN__
+#ifdef SDL_PLATFORM_EMSCRIPTEN
     emscripten_set_main_loop(emscriptenloop, 0, 0);
 #else
     while (true)
     {
-        f_time = SDL_GetTicks64();
+        f_time = SDL_GetTicks();
 
         const Uint64 f_timetaken = f_time - f_timePrev;
         const int timestep = game.get_timestep();
@@ -874,13 +871,13 @@ int main(int argc, char *argv[])
         {
             const volatile Uint64 f_delay = timestep - f_timetaken;
             SDL_Delay((Uint32) f_delay);
-            f_time = SDL_GetTicks64();
+            f_time = SDL_GetTicks();
         }
 
         f_timePrev = f_time;
 
         timePrev = time_;
-        time_ = SDL_GetTicks64();
+        time_ = SDL_GetTicks();
 
         deltaloop();
     }
@@ -1010,7 +1007,7 @@ static void unfocused_run(void)
     }
     graphics.render();
     //We are minimised, so lets put a bit of a delay to save CPU
-#ifndef __EMSCRIPTEN__
+#ifndef SDL_PLATFORM_EMSCRIPTEN
     SDL_Delay(100);
 #endif
 }
diff --git a/third_party/physfs b/third_party/physfs
index bfa7997c..23d0b569 160000
--- a/third_party/physfs
+++ b/third_party/physfs
@@ -1 +1 @@
-Subproject commit bfa7997c671957eb0a340ff1cf3c634e6269904a
+Subproject commit 23d0b5696445d86262221519c3db3ae351376da0