Original URL: http://www.psxextreme.com/ps2-cheat-print/499.html
X-Men: The Official Game
Danger Rooms

Enter these codes on the Cerebro Files menu, then press start:

Right, Right, Left, Left, Up, Down, Up, Down - Unlock Iceman's Danger Room
Up, Up, Down, Down, Right, Left, Right, Left - Unlock Nightcrawler's Danger Room
Down, Down, Up, Up, Right, Left, Right, Left - Unlocks Wolverine's Danger Room