Unlock Everything
 Pause the game and press R, Black, Y, Black, L and White to unlock
 everything.

 Put Out Building Fires Faster
 Hold down the Freeze Breath button for a couple of seconds to charge, 
 before you let go and you will put out the fire in one breath. Also the lock 
 brackets are visible through buildings and other objects so you can easily 
 tell if there is fire on the other side of a building.
 
 
 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.
 
 
 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 

 
 X-Ray graphics:
 Pause game play, then quickly press L(2), R, L, Y, X, White, Black(2), White. 
 The sound of an explosion will confirm correct code entry. 


 Freeze graphics:
 Pause game play, then quickly press R, L, Black, White, L, Y(2), Black, R, White.
 The sound of an explosion will confirm correct code entry.