# retroarch > A frontend for emulators, game engines and media players. > The reference implementation of the libretro API. > More information: . - Start in the menu mode: `retroarch` - Start in full screen mode: `retroarch {{[-f|--fullscreen]}}` - List all compiled features: `retroarch --features` - Set the path of a configuration file: `retroarch {{[-c|--config]}} {{path/to/config_file}}` - Display help: `retroarch {{[-h|--help]}}` - Display version: `retroarch --version`