3D Sonic the Hedgehog - Debug Mode
At the 'Title' screen press Up C, Down C, Left C, Right. Then when you hear a ring hold A and tap 'Start' making sure you do not let go of A until Sonic appears.
If you need more help, we've got more SEGA 3D Classics Collection cheats and also check out all of the answers for this game
Comments for this cheat