Hints & Strategies

Completion bonuses Get a 100% completion for Sonic, Shadow, or Silver's episode to unlock the Audio and Theater room under the Extras menu. Last episode Successfully complete Sonic, Shadow, and Silver's episode to unlock the Last episode. Free mode Get an "S" rank on all of Sonic, Shadow, and Silver's levels, Bosses, and town missions to unlock Free mode. Play as Shadow The Hedgehog Successfully complete Crisis City with Sonic to unlock Shadow's episode. Play as Silver The Hedgehog Successfully complete the Silver The Hedgehog Boss battle with Sonic to unlock Silver's episode. Free mode characters Successfully complete the indicated task to unlock the corresponding character in Free mode: Amy Rose: Successfully complete all Soleana mystery missions with an "S" rank. Blaze the Cat: Successfully complete all Soleana mystery missions. E-123 Omega: Successfully complete all GUN Commander missions with an "S" rank. Knuckles the Echidna: Successfully complete all Town Stage missions with an "S" rank. Miles "Tails" Prower: Successfully complete all Town Stage missions. Rouge the Bat: Successfully complete all GUN Commander missions.