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Sonic The Hedgehog - Game cheats, tips and tricks for Xbox 360
Extras menu:
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Successfully complete Sonic, Shadow, or Silver's Story mode 100% to 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.
Silver The Hedgehog:
Win the Silver The Hedgehog Boss battle as Sonic.
Last Episode:
Complete Sonic's Episode, Silver's Episode, and Shadow's Episode.
Free mode characters:
Complete the indicated task to unlock the corresponding character in Free mode.
Amy Rose: Complete all Soleana mystery missions with an "S" rank.
Blaze the Cat: Complete all Soleana mystery missions.
E-123 Omega: Complete all GUN Commander missions with an "S" rank.
Knuckles the Echidna: Complete all Town Stage missions with an "S" rank.
Miles "Tails" Prower: Complete all Town Stage missions.
Rouge the Bat: Complete all GUN Commander missions.