Stage select
Start a new game and enter "!EVAH!" as a case-sensitive name to unlock all of the stages in campaign mode.

Invincibility
Start a new game and enter "B4K42" as a case-sensitive name. The "God mode" selection will now be unlocked at the options screen when the game is paused.

All bonuses
Start a new game and enter "105770Y2" as a case-sensitive name to unlock all character biographies, vehicle specifications, FMV sequences, and concept artwork. Note: The code contains the number "zero" and not a capital letter "o".

Multiple codes
Start a new game and enter more than one code together to activate each of them simultaneously. For example, enter "B4K42105770Y2" as a case-sensitive name.