Restore Health
At the cheat menu enter: XXYWYWZ
All Weapons
At the cheat menu enter: Y
Unlimited Grenades
At the cheat menu type ZXZYXZXZ.
Unlock levels
At the cheat menu enter: ZYXWYZXX
Finish Game
At the cheats menu enter: YXYX
Rapid Rail Mode
At the cheats menu enter: ZYZYXXWW
Gibbed Explosion Mode
At the cheats menu enter: WZXYWZXY
Gibbed Ammo Mode
At the cheats menu enter XXXXYZXX
Extra Chunky Mode
At the cheats menu enter: ZZZZWXZZ
Directors Cut Mode
At the cheats menu enter YXZWZXYW
Walking Dead Mode
At the cheats menu enter XXXXXXXX.
Wacky Deaths Mode
At the cheats menu enter WWWWWWWW.
Rain Of Fire Mode
At the cheats menu enter: YYYYYYYY
Bouncing Bombs Mode
At the cheats menu enter: ZZZZZZZZ
Explosive Mode
At the cheats menu enter: X
Show cheats list
Enter YZWZYXWX or WWXXYZYZ at the cheats menu.
Bonus Movies
You get bonus movies by completing stages.
Teammate Shield
On the levels with either Tangier or Repta you can use them by walking into them to push them towards the enemies. They cannot be killed by the enemies.