Critical Depth Invincibility
While playing the 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 the 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 the 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 the 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 the game, hold R2 and press Right, Left, Up. Note: This assumes the controller is in the default configuration.
Depth charge
While playing the game, hold R2 and press Left, Right, Up. Note: This assumes the controller is in the default configuration.
Lay a mine
While playing the game, hold R2 and press Right, Left, Down. Note: This assumes the controller is in the default configuration.
Surface mine
While playing the 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.
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 |