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;
+std::string st_dir, st_save_dir;
SDL_Joystick * js;