Game Cheats:
During a mission press start to pause the game, choose In-Game options, choose Enter Cheats, then enter one or more of the following button combinations:
Code – Effect:
B, B, X, Y – Complete Current Mission
B, B, X, B – Team Superman (Team Invinvibility)
B, B, X, X – Refill Ammo
B, B, X, A – Superman (Player Invincibility)