This page contains X-Men: The Official Game Unlockables for Xbox 360 called "Bonus costumes" and has been posted or updated on Oct 4, 2006 by Jonathan f. Let us know what you think of this Unlockable by thumbs voting.
Collect all Weapon X files with a character to unlock their street costume. Collect all Sentinal Techs with a character to unlock their comic costume.
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