Level select
 
 At the main menu, hold L1 + L2 + R1 + R2, then press Triangle, Up,
 Triangle, Circle, Right, now immediately release L1, L2, R1, and R2
 when the level select text appears.
 
 Invincibility
 
 Pause the game and press Down, L1, Up, Square. Now unpause the game
 and immediately pause the game again and press Circle, Triangle(2),
 Circle, Right, Up, Left, L1, Square.
 
 Invincibility
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Circle, Triangle(2),
 Circle, Right, Up, Left, L1, Square.
 
 Extra airstrike
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Down, Up, Circle, Down,
 Up, Down, L1. 
 
 Bones air strike
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Triangle, Right,
 Circle, Left(2), Circle, Triangle(2), L1, Right. Note: This code may
 only be enabled during the last level of the game.
 
 Seal
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Circle, Triangle(2),
 L1, Right. Note: This code may only be enabled during the last level
 of the game. 
 
 Bones seal
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Triangle, Right,
 Circle, Left(2). 
 
 Earthworm Jim cow power-up
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Up, Down(2), L1, Right.
 
 Dummy decoy
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press X, L1, Right, Circle,
 X, Up, Square. 
 
 Super chain gun
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Left, L1, Down, Square,
 Triangle, Up, Down. 
 
 Grenade
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Triangle, Circle,
 Square, L1, Right. 
 
 Sniper grenade
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Up, Square, L1, Left,
 Circle, Triangle. 
 
 Homing sniper grenade
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Left, Up, X, Square,
 L1, R1, Right. 
 
 Mortar
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Left, L1, Triangle,
 Square, Right, Circle, Left(2).
 
 World's smallest nuke
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Down, Up, Square,
 Triangle, Down, Circle(2), Right.
 
 World's most interesting bomb
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Down, Right, Circle(2),
 Left(2), Up, Square, Triangle.
 
 Thumper weapon
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Down, Up, Left(2),
 Triangle, Up, Right, Down. 
 
 Twister weapon
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Down, L1, Square,
 Triangle, Right, Up, X. 
 
 Super gun
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Right, Up, Down, L1,
 Down, Circle, Left(2). 
 
 Homing bullets
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Square, L1(2), Right.
 
 Nodie
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Circle, Triangle(2),
 Circle, Right, Up, Left, L1, Square.
 
 150 hit points and extras
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Square, Triangle,
 L1(2), Left, Square, Triangle, Circle, Right, L1.
 
 Full hit points
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Right, L1, Square,
 Triangle, L1, Down. 
 
 Faster speed
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Right, Circle,
 Triangle, Circle, X. Press R2 during game play to activate faster
 speed. 
 
 Display coordinates
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Down(2), Triangle(2),
 L1, X, Triangle. 
 
 No opponents
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Up, Square, L1, Left,
 L1, Square(2). 
 
 Strange mode
 
 Pause the game and press L1, Up, Square. Now unpause the game and
 immediately pause the game again. Then, press Left, Circle, X.
 
  Game Shark Codez:
 
                   
  Infinite Health           
  800CB740 03E7
                   
  Infinite Chain Gun        
  800CB80C 00C8
                   
  Infinite Sniper Weapon #2 
  800CB810 0063
                   
  Infinite Sniper Granade   
  800CB814 0063
                   
  Infinite Sniper Weapon #4 
  800CB818 0063
                   
  Infinite Motar Shots      
  800CB81C 0063
                   
  Infinite Sniper Weapon #6 
  800CB820 0063
                   
 Some Game Shark Codez: -From: Jason13@aol.com