This page contains Sonic The Hedgehog Unlockables for Xbox 360 called "Extras menu" and has been posted or updated on Nov 22, 2006 by spherix. Let us know what you think of this Unlockable by thumbs voting.
You have to finish Sonic, Shadow, or Silver's Story mode 100% to unlock the "Extras" option at the main menu with "Audio Room" and "Theater Room" options.
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