Cheat Codes:
At the Fortress of Solitude screen, enter one of the following codes to activate the corresponding cheat function. Note: After entering the first code, you will get a secret achievement and hear a sound. There is no confirmation after entering one code.
Code: Description:
(At the start menu) Y, Right, Y, Right,, Up,, Left, Right, Y Infinite city health
(At the start menu) Up(2), Down(2), Left, Right, Left, Right, Y, X Infinite stamina
(At the Fortress of Solitude) Left, Y, Right, X, Down, Y, Up, Down, X, Y, X All power-ups
(At the Fortress of Solitude) Left, Up, Right, Down, Y, X, Y, Up, Right, X All bonuses

Play as Bizarro Cheat Code:
You enter this code when you load your game, at the menu that lets you choose Metropolis or Fortress of Solitude.
Up Right Down Right Up Left Down Right Up

Alternate Costumes:
Successfully complete the indicated task to unlock the corresponding costume:

Accomplish the indicated achievement to get the corresponding number of Gamerscore points: