For extra points, pass any zone in a certain amount of time. For the best bonus, enter the Debug Mode code described under Cheat Codes and Sound Test. The clock will freeze and you'll always score a 50,000 bonus!
FM40, PCM12, DA11-----Debug Mode
FM07, PCM07, DA07-----Play special stages
FM42, PCM03, DA01-----Sonic as Singer
FM46, PCM12, DA25-----Revenge of the Mutant Artwork
FM42, PCM04, DA21-----Sonic the Muscle Builder
FM44, PCM11, DA09-----Cute Sonic
When entered press Start!
Press Right, Right, Up, Up, Down, C at the front screen.
For the masochistic hedgehog in you, here's a way to kill yourself quickly. While playing, pause the game and press A, B, or C. This can be useful if you find yourself trapped.
At the title screen, press Up, Down, Down, Left, Right, B.
Note: this code only lets you play one level. You will be sent back to the title screen upon completion or if you time warp.
At the front Screen press
Down, Down, Down, Left, Right, A
To become invisible, get behind one of the on screen objects and press the B button.