The following functions and variables are special ones that GameMaker: Studio supports but which don't fit into any particular category:
- game_id
- game_save_id
- game_display_name
- game_project_name
- game_end
- game_restart
- game_load
- game_load_buffer
- game_save
- game_save_buffer
- script_exists
- script_get_name
- script_execute
- gml_release_mode
- gml_pragma
- parameter_count
- parameter_string
- environment_get_variable
- external_define
- external_call
- external_free
- cursor_sprite
- alarm_set
- alarm_get
- GM_build_date
- GM_version