Critical Depth - Various codes


Invincibility:
Press L1, R1, L1, R1, Up, Down, Left, Right during game play. 

Unlimited weapons:
Press L1, R1, L1, R1, Up, Down, Left, Down during game play. 

Drop pod:
Press L1, R1, L1, R1, Up, Down, Left, Up during game play. 

Quadruple weapon damage:
Press R1, R2, R1, R2, Up, Down, Up, Down during game play. 

Stun blast:
Hold R2 and press Right, Left, Up. Note: This assumes the controller is in the 
default configuration. 
Information in this section was contributed by Joel Curtis. 

Depth charge:
Hold R2 and press Left, Right, Up. Note: This assumes the controller is in the 
default configuration. 
Information in this section was contributed by Joel Curtis. 

Lay a mine:
Hold R2 and press Right, Left, Down. Note: This assumes the controller is in the 
default configuration. 
Information in this section was contributed by Joel Curtis. 

Surface mine:
Hold R2 and press Left, Right, Down. Note: This assumes the controller is in the 
default configuration. 
Information in this section was contributed by Joel Curtis. 

Play as Mr. Phatt:
Complete the game under the medium difficulty level. 

Play as Agent 326:
Complete the game as Mr. Phatt under the hard difficulty level. 

Play as Abbadon:
Complete the game as Agent 326 under the hard difficulty level. 


Codes taken from Video Game Strategies (http://vgstrategies.miningco.com)