Command Line Parameters - X-Hax/SADXModdingGuide GitHub Wiki
If the Mod Loader is enabled, you can launch sonic.exe with the following command line parameters.
Level commands
--level [name/ID]or-l [name/ID]to launch the game directly into a level. Click here for a list of all levels.--act [ID]or-a [ID]to start the level into a specific act.--character [name/ID]or-c [name/ID]to change the default character. Click here for a list of all characters.--position [x] [y] [z]or-p [x] [y] [z]to spawn at a specific position.--save [ID]or-s [ID]to launch the game with a specific savefile. The ID is the number after "SonicDX" in the savefile name.
Option commands
--no-audioto disable musics, voices & sound effects.--no-musicto disable musics.--no-voiceto disable voices.--no-soundto disable sound effects.