.. :D
The codes that i am aware of are as follows.
Cerebro: Unlocks Iceman and Hulk.
Trueblue: Unlocks Beast.
Heartbreak: Unlocks Cyclops.
Doublecross: Unlocks Gambit.
Hunted: Unlocks Nightcrawler.
________________________
Trask: Unlocks Sentinels Prowlers.
History: Unlocks Logan.
one is hunted
quickwit
history
history
doublecross,trask,heartbreak,trueblue,quickwit,history,hunted,revalation,cerebro that's it
here try my game it is about medium bit its up to you it is really fun 3a98b803fdfbd06b7656bb07386ae0a4
They are levels that other people have made. The string of characters is how you save and share your level.
heartbreak
6975411a846307a27f0e0171428ab036
revelation
magneto
heartbreak to unloock him