Enter the following codes during gameplay (controls must be in default setting):
Code Effect Hold R2 and press Left, Right, Up Depth Charges L1, R1, L1, R1, Up, Down, Up, Up Drop Pods Hold Triangle and press R1 + L1. Move the missles with the D-Pad and press R1 + L1 to detonate. Guided Missiles L1, R1, L1, R1, Up, Down, Left, Down Infinite weapons L1, R1, L1, R1, Up, Down, Left, Right Invincibility Hold R2 and press Right, Left, Down Lay a Mine R1, R2, R1, R2, Up, Down, Up, Down Quadruple Damage Hold R2 and press Right, Left, Up Stun Blasts Hold R2 and press Left, Right, Down Surface Mines
Unlockable How to Unlock Abbadon Submarine Complete the game as Agent 326 on the Captain difficulty setting Agent 326 Submarine Complete the game as Mr. Phatt on the Captain difficulty setting, then defeat the Cephalopods with a final score of at least 1,000,000 points. Mr. Phatt Submarine Complete the game on the medium difficulty setting, then defeat Mr. Phatt with a combo attack of at least 48 points of damage. Overseer Submarine Complete the game with each of the original characters on the Captian difficulty setting (save each game after it is completed).
Contributed By: CDBavg400.
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