bool use_fullscreen;
bool debug_mode;
bool show_fps;
-float game_speed = 1.0f;
int joystick_num = 0;
char* level_startup_file = 0;
bool launch_leveleditor_mode = false;
bool launch_worldmap_mode = false;
+bool flip_levels_mode = false;
/* SuperTux directory ($HOME/.supertux) and save directory($HOME/.supertux/save) */
char *st_dir, *st_save_dir;