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Playstation 2 - Aliens vs. Predator Extinction cheats

Unlock Cheat Mode:
Pause the gameplay and press 
R1, R1, L1, R1, L1, L1, R1, L1, R1, R1, L1, R1, L1, L1, R1, L1. 
Cheats option will unlock in the options menu:
These are the followings:

Cheat Win 
Clear Fog of War 
Enable All Levels 
Gimme $10,000 
Player Invulnerable 
Show LZs 
Toggle Unit Spying