Invincibility:
Choose the "Classified Files" at the main menu. Press the X Button and enter the following word: TEAMBUDDIES .


Endless Ammo:
Choose "Classified Files" at the main menu. Press the X Button and enter the following word: BLASTRADIUS .


Level Select:
Choose "Classified Files" at the main menu. Press the X Button and enter the following word: KINGSLEY .


Bonus Level 1:
Choose "Classified Files" at the main menu. Press the X Button and enter the following word: KREUZLER .


Bonus Level 2:
Choose "Classified Files" at the main menu. Press the X Button and enter the following word: SHEARER .


Bonus Level 3:
Choose "Classified Files" at the main menu. Press the X Button and enter the following word: UBERDOOPER .