Superman - The Man Of Steel - Platform: XBox

Cheat mode:
-----------
Pause the game and quickly press R, Black, Y, Black, L, White to unlock 
everything in the game. If you entered the code correctly, you will hear the 
sound of an explosion.

Infinite health:
----------------
Pause the game and quickly press Black, White, L, X, L, White. If you entered 
the code correctly, you will hear the sound of an explosion.

X-Ray graphics:
---------------
Pause the game and quickly press L(2), R, L, Y, X, White, Black(2), White. If 
you entered the code correctly, you will hear the sound of an explosion.

Freeze graphics:
----------------
Pause the game and quickly press R, L, Black, White, L, Y(2), Black, R, White. 
If you entered the code correctly, you will hear the sound of an explosion.

Free roam option:
-----------------
Successfully complete mission 4 to unlock the free roam option. This allows you 
to replay any mission that has been completed in single mission mode.

Bonus costumes:
---------------
The following costumes will become unlocked at various points throughout the 
game, after a particular mission:

  Original 
  Golden Age 
  Silver Age Superman Red 
  Silver Age Superman Blue 
  The Return of Superman Black 
  Superman of the 90s 
  Kryptonian 
  Post-Our Worlds at War Mourning 
  Kingdom Come