Fixed crash: #include <SDL.h> int main(int argc, char** argv) { SDL_Init(SDL_INIT_EVERYTHING); SDL_SetVideoMode(640, 480, 0, SDL_FULLSCREEN); SDL_ShowCursor(SDL_DISABLE); SDL_Delay(1000); SDL_SetVideoMode(640, 480, 0, SDL_FULLSCREEN | SDL_OPENGL); SDL_Quit(); printf("Everything okay\n"); }

{
    IBClasses = (
        {CLASS = FirstResponder; LANGUAGE = ObjC; SUPERCLASS = NSObject; }, 
        {
            ACTIONS = {makeFullscreen = id; quit = id; }; 
            CLASS = SDLMain; 
            LANGUAGE = ObjC; 
            SUPERCLASS = NSObject; 
        }
    ); 
    IBVersion = 1; 
}