Cheats, Codes & FAQs
Audio Room music
After finishing the indicated episode with a 100% rank you will unlock the corresponding theme in the Audio Room. Elise's Theme: The Last Episode; Shadow's Theme (All Hail Shadow): Shadow's Episode; Silver's Theme (Dreams of An Absolution): Silver's Episode; Sonic's Theme (His World): Sonic's Episode.
Finish every Soleana mystery mission with an "S" rank.
Blaze the Cat
Finish every Soleana mystery mission.
Finish every GUN Commander mission with an "S" rank.
Knuckles the Echidna
Finish every Town Stage mission with an "S" rank.
Miles "Tails" Prower
Finish every Town Stage mission.
Rouge the Bat
Finish every GUN Commander mission.
After successfully finishing Sonic, Shadow, or Silver's Story mode 100% you will unlock the "Extras" option, at the main menu with "Audio Room" and "Theater Room" options.
Play as Shadow The Hedgehog
Successfully complete Crisis City as Sonic.
Play as Silver The Hedgehog
Win the Silver The Hedgehog Boss battle as Sonic.
Complete Sonic's Episode, Silver's Episode, and Shadow's Episode.
Get an "S" rank on all of Sonic's, Shadow's, and Silver's levels, Bosses, and town missions.