Critical Depth


(Last updated January 24, 1998)

  • 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 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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