Invincibility
 
 While playing a game, quickly press L1, R1, L1, R1, Up, Down, Left,
 Right. If you entered the code correctly, you will hear a sounds.
 
 Infinite weapons
 
 While playing a game, quickly press L1, R1, L1, R1, Up, Down, Left,
 Down. If you entered the code correctly, you will hear a sounds.
 
 Quadruple weapon damage
 
 While playing a game, quickly press R1, R2, R1, R2, Up, Down, Up,
 Down. If you entered the code correctly, you will hear a sounds.
 
 Drop pod
 
 While playing a game, quickly press L1, R1, L1, R1, Up, Down, Left,
 Up to force opponents to drop their pods. If you entered the code
 correctly, you will hear a sounds.
 
 Stun blast
 
 While playing a game, hold R2 and press Right, Left, Up. Note: This
 assumes the controller is in the default configuration.
 
 Depth charge
 
 While playing a game, hold R2 and press Left, Right, Up. Note: This
 assumes the controller is in the default configuration.
 
 Lay a mine
 
 While playing a game, hold R2 and press Right, Left, Down. Note: This
 assumes the controller is in the default configuration.
 
 Surface mine
 
 While playing a game, hold R2 and press Left, Right, Down. Note: This
 assumes the controller is in the default configuration.
 
 Mr. Phatt submarine
 
 Beat the game on the medium difficulty level. Then, defeat Mr. Phatt
 using a combo attack that results in a minimum of 48 points of damage.
 
 Abbadon submarine
 
 Beat the game as Agent 326 on the "Captain" difficulty level.
 
 Agent 326 submarine
 
 Beat the game as Mr. Phatt on the "Captain" difficulty level. Then,
 defeat the Cephalopods (Bosses) with a final score over 1 million
 points. 
 
 Overseer submarine
 
 Beat the game with each of the regular characters on the "Captain"
 difficulty level. Note: Save the game each time the game is completed.
 
  Game Shark Codez:
 
               
  Player 1 Codes                    
               
  Infinite Health                   
  801DF15E 007C
               
  Infinite Shield Energy            
  801DF5B0 03E8
               
  Infinite Shaker/Pilot Torpedoes   
  801DF5D2 0909
               
  Infinite Slow Poke/Remote Charges 
  801DF5D4 0909
               
  Have All Weapons & Infinite Ammo  
  801DF5D0 6363
  801DF5D2 6363
  801DF5D4 6363
  801DF5D6 6363
  801DF5CE 0632
               
  Player 2 Codes                    
               
  Infinite Health                   
  801DF866 00B4
               
  Infinite Shield Energy            
  801DFCB8 03E8
               
  Have All Weapons & Infinite Ammo  
  801DFCD6 0632
  801DFCD8 6363
  801DFCDA 6363
  801DFCDC 6363
  801DFCDE 0063