Unlockable - unlock Amy | |
| Amy | Beat zone 4 act 3 with Sonic as leader |
Unlockable - Sound Test | |
| Sound Test | Beat the final zone. |
Unlockable - unlock Cream | |
| Cream | Beat zone 6 act 3 with sonic as leader |
Unlockable - Unlock Knuckles | |
| Knuckles | Using Sonic as your leader finish Stage 2 Act 3 and beat Gemerl. |
Unlockable - Unlock Bosses in Time Attack | |
| First get the gold medals for every level and boss. Then beat Nonaggression. Cheese tells you that Boss Time Attack is available at the end of the credits. | |
Secret - LCD Screen lighten | |
| This is like the LCD screen difference featured in Final Fantasy Tatics and Zelda: A link to a past. in order to change through the 3 different LCD screens, at the title screen, instead of pressing start, push R to go through the different lightings for the screen. the default LCD setting is for GBA, LCD 2 is for GBA SP, and LCD 3 is for the TV screen while playing through a Gameboy Player. | |
Password - Secret Stage Mode | |
| Secret Stage Mode | Complete all 7 special stages, then, on the main menu, press Up, R, Down, L, Right, Left |
