Cheat mode
 
 Enter ''FMNFB'' as a code at that "Enter Cheat" screen to unlock 
 all cheats.
 
 
 
 Level select
 
 Enter ''SELLOUT'' as a code at that "Enter Cheat" screen. Then, 
 load a saved game to select any level.  
 
 
 Invincibility
 
 Enter ''EMERPUS'' as a code at that "Enter Cheat" screen. 
 
 
 Invisibility
 
 Enter ''SLLEWGH'' as a code at that "Enter Cheat" screen. 
 
 
 All weapons
 
 Enter ''TEXAS'' as a code at that "Enter Cheat" screen. Note: You 
 will only have the weapons that are available in the current level, 
 not all the weapons in the game.  
 
 
 Infinite ammunition
 
 Enter ''MADMAN'' as a code at that "Enter Cheat" screen. 
 
 
 Big head mode
 
 Enter ''HEID'' as a code at that "Enter Cheat" screen.
 
 
 Zoo mode
 
 Enter ''ZOO'' as a code at that "Enter Cheat" screen. In this mode, 
 you will be able to kill any animal in the game with the war club 
 as a weapon.
 
 
 
 Demo mode and target mini-game
 
 Enter ''HUNTER'' as a code at that "Enter Cheat" screen. Besides 
 starting demo mode, you will also be able to play the Target mini-game 
 at the main title screen. Use the D-pad to move the pointer and 
 Fire to shoot.
 
 
 
 Invincibility
 
 Pause the game, then hold L1 and press Triangle, Square, Triangle, 
 Square, Triangle, Circle, Triangle, Circle. If you entered the code 
 correctly, a message will appear. Repeat the code to disable its 
 effect.
 
 
 
 Invincible NPCs
 
 Pause the game, then hold L1 and press Square, Circle, Triangle, 
 X, Square, Circle, Triangle, X. If you entered the code correctly, 
 a message will appear. Repeat the code to disable its effect.
 
 
 
 
 Infinite ammunition
 
 Pause the game, then hold L1 and press Left, Circle, Right, Square, 
 Up, Triangle, Down, X. If you entered the code correctly, a message 
 will appear. Repeat the code to disable its effect.
 
 
 
 
 Infinite rage
 
 Pause the game, then hold L1 and press Left, Down, Left, Down, Right, 
 Up, Right, Up. If you entered the code correctly, a message will 
 appear. Repeat the code to disable its effect.
 
 
 
 Game Shark Codez: 
 
 Master Code (Must Be On):
 0E3C7DF2 1853E59E
 EEAC8B52 BCC5308A
 
 All Weapons:
 CE6171C6 BCA99B84
 
 Infinite Ammo:
 CE6171CE BCA99B84
 
 Invincible:
 CE6171D6 BCA99B84
 
 Invisible:
 CE6171DE BCA99B84
 
 Big Heads:
 CE6171EE BCA99B84
 
 Title Screen Target Mini-Game:
 CE6171F6 BCA99B84
 
 Extra Level Under Cheats Menu:
 CE6170FE BCA99B84
 
 Unlock All Levels [Note]:
 CE6171E6 BCA99B84
 
 
 
 
 Note: Load a previously saved game and all levels will appear under 
 the level select menu.