X-Men: The Official Game Cheats

Press: Up, Up, Down, Down, Left, Right, Left, Right

Enter: down, down, up, up, right, left, right, left on the Cerebro Files Menu Screen and press start.

At the Cerebro Files menu, press Right(2), Left(2), Down, Up, Down, Up, Start to unlock the bonus Iceman Danger Room mission.

There are eight danger room missions. You unlock the first three as you play through the game. To unlock the other six danger room missions, you must collect all Sentinel files and Weapon X files with each character.

Collect all Sentinal Techs with a character to unlock their comic costume.

Collect all Weapon X files with a character to unlock their street costume.