Box art - Sonic CD

Sonic CD iPhone Cheats

Unlockables

Sound Test and Codes

You must beat special stage time attacks in under 4 minutes to unlock the Sound Test.

Hidden artwork 1: PGM 12, DA 11

Hidden artwork 2: PGM 12, DA 2

Hidden artwork 3: PGM 03, DA 0

Hidden artwork 4: PGM 04, DA 2

Hidden artwork 5: PGM 11, DA 0

Secret special stage: PGM 07, DA 07

Easter Egg

I'm Outta Here!

Let Sonic stand still unattended for most of three minutes and he'll say "I'm outta here!" before jumping off the screen, at which point your game ends.