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.


    Game Shark Codes

    Player 1 Codes
    Infinite Health801DF15E 007C
    Infinite Shield Energy801DF5B0 03E8
    Infinite Shaker/Pilot Torpedoes801DF5D2 0909
    Infinite Slow Poke/Remote Charges801DF5D4 0909
    Have All Weapons & Infinite Ammo801DF5D0 6363
    801DF5D2 6363
    801DF5D4 6363
    801DF5D6 6363
    801DF5CE 0632
    Player 2 Codes
    Infinite Health801DF866 00B4
    Infinite Shield Energy801DFCB8 03E8
    Have All Weapons & Infinite Ammo801DFCD6 0632
    801DFCD8 6363
    801DFCDA 6363
    801DFCDC 6363
    801DFCDE 0063


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