This is the code that unlocks everything for this game. Yes, only 1 code....
At the main menu, press and hold L and then press right, right, left, left, up, down, circle. If you have entered it correctly, a message will appear on the screen.
At the main menu after you press start,hold L1 then press Right, Right, Left, Left, Down, Up, Circle. This will unlock all characters, arenas, and 8 costumes for all of them. (1A,1B,2A,2B,3A,3B,4A, and 4B.)
to unlock dark pheonix without proper cheats then you must win the last battle with bastion as jean grey with perfect... cyclops may die but dark pheonix looks cool
beat 10 player in survival mode in under 15 minute