diff --git a/3rdparty/CMakeLists.txt b/3rdparty/CMakeLists.txt
index daaeae0d..3402b198 100644
--- a/3rdparty/CMakeLists.txt
+++ b/3rdparty/CMakeLists.txt
@@ -68,10 +68,13 @@ add_library(imgui STATIC
     ${imgui_SOURCE_DIR}/backends/imgui_impl_sdl3.cpp
     ${imgui_SOURCE_DIR}/backends/imgui_impl_sdlrenderer3.cpp
 )
+
 target_include_directories(imgui PUBLIC ${imgui_SOURCE_DIR})
 target_link_libraries(imgui PUBLIC SDL3::Headers)
 target_link_libraries(imgui PRIVATE SDL3::SDL3)
 set_property(TARGET imgui PROPERTY CXX_CLANG_TIDY "")
 if(VITA)
-    target_compile_definitions(imgui PRIVATE IMGUI_DISABLE_DEFAULT_SHELL_FUNCTIONS)
+    target_compile_definitions(imgui PRIVATE
+        IMGUI_DISABLE_DEFAULT_SHELL_FUNCTIONS
+    )
 endif()
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6f25d942..f357fd16 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -69,7 +69,11 @@ endmacro()
 if(VITA)
   set(LIBRARY_TYPE "STATIC")
   set(CMAKE_POSITION_INDEPENDENT_CODE OFF)
+  set(ISLE_DEBUG OFF)
   list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake/modules")
+  
+  include(FetchContent)
+  
   include(cmake/modules/pvr_psp2.cmake)
   
   FetchContent_Declare(
@@ -686,7 +690,7 @@ if(VITA)
   set(VITA_TITLEID  "LEGO00001")
   set(VITA_VERSION  "01.00")
   
-  vita_create_self(isle.self isle)
+  vita_create_self(isle.self isle UNSAFE)
 
   set(VPK_FILE_ARGS)
   get_target_property(gles_modules GLESv2 MODULES)
diff --git a/ISLE/isleapp.cpp b/ISLE/isleapp.cpp
index 5203dcae..67c78f72 100644
--- a/ISLE/isleapp.cpp
+++ b/ISLE/isleapp.cpp
@@ -55,6 +55,27 @@ extern "C"{
 #include <gpu_es4/psp2_pvr_hint.h>
 }
 #include <psp2/kernel/modulemgr.h>
+
+#define DO_HARDWARE_TRANSFERS 1
+
+#define NEWLIB_HEAP_SIZE 157286400
+#define LIBC_HEAP_SIZE 41943040
+#define GPU_MEM_SIZE 16777216
+
+
+#if (NEWLIB_HEAP_SIZE + LIBC_HEAP_SIZE) > 382730240
+#error Memory usage, exceeds maximum memory for userland applications.
+#endif
+
+#if (GPU_MEM_SIZE) > 134217728
+#error GPU Memory exceeds maximum memblck size
+#endif
+
+
+int _newlib_heap_size_user = NEWLIB_HEAP_SIZE;
+unsigned int sceLibcHeapSize = LIBC_HEAP_SIZE;
+unsigned int sceLibcHeapExtendedAlloc = 1;
+
 #endif
 
 DECOMP_SIZE_ASSERT(IsleApp, 0x8c)
@@ -268,8 +289,9 @@ SDL_AppResult SDL_AppInit(void** appstate, int argc, char** argv)
 	SDL_SetHint(SDL_HINT_MOUSE_TOUCH_EVENTS, "0");
 	SDL_SetHint(SDL_HINT_TOUCH_MOUSE_EVENTS, "0");
 
-#ifdef __vita__
-	SDL_setenv_unsafe("VITA_PVR_SKIP_INIT", "enable", 1);
+#if __vita__
+	SDL_SetHint("VITA_PVR_SKIP_INIT", "enable");
+	SDL_SetHint("SDL_RENDER_OPENGLES2_TEXCOORD_PRECISION", "high"); // not really needed
 	PVRSRV_PSP2_APPHINT hint;
 	
 	sceKernelLoadStartModule("vs0:sys/external/libfios2.suprx", 0, NULL, 0, NULL, NULL);
diff --git a/ISLE/isledebug.cpp b/ISLE/isledebug.cpp
index 79db85b9..1f8c652e 100644
--- a/ISLE/isledebug.cpp
+++ b/ISLE/isledebug.cpp
@@ -26,8 +26,13 @@
 static bool g_debugEnabled;
 static bool g_debugPaused;
 static bool g_debugDoStep;
+
+#ifdef __vita__ // cant have multiple windows
+SDL_Window* window;
+#else
 static SDL_Window* g_debugWindow;
 static SDL_Renderer* g_debugRenderer;
+#endif
 
 static SDL_Texture* g_videoPalette;
 static IDirect3DRMMiniwinDevice* g_d3drmMiniwinDevice;
diff --git a/miniwin/src/ddraw/ddraw.cpp b/miniwin/src/ddraw/ddraw.cpp
index bd1541a3..107384aa 100644
--- a/miniwin/src/ddraw/ddraw.cpp
+++ b/miniwin/src/ddraw/ddraw.cpp
@@ -296,13 +296,18 @@ HRESULT DirectDrawImpl::SetCooperativeLevel(HWND hWnd, DDSCLFlags dwFlags)
 			return DDERR_INVALIDPARAMS;
 		}
 
+		char* sdlRendererName = nullptr;
+#ifdef __vita__
+		sdlRendererName = "opengles2";
+#endif
+
 		if (!SDL_SetWindowFullscreen(sdlWindow, fullscreen)) {
 #ifndef __EMSCRIPTEN__
 			return DDERR_GENERIC;
 #endif
 		}
 		DDWindow = sdlWindow;
-		DDRenderer = SDL_CreateRenderer(DDWindow, NULL);
+		DDRenderer = SDL_CreateRenderer(DDWindow, sdlRendererName);
 		SDL_PropertiesID prop = SDL_GetRendererProperties(DDRenderer);
 		SDL_SetRenderLogicalPresentation(DDRenderer, 640, 480, SDL_LOGICAL_PRESENTATION_LETTERBOX);
 	}