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.
Depth charge
While playing a game, hold R2 and press Left, Right, Up.
Lay a mine
While playing a game, hold R2 and press Right, Left, Down.
Surface mine
While playing a game, hold R2 and press Left, Right, Down.
Note: These cheats 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.
