Aliens vs. Predator: Extinction Cheats

When you are playing with the aliens drag human and predator bodies
right next to the queens body when she is laying eggs so then you dont
have to hatch the eggs manually they will hatch by themselves and
attach themselves to the prey.

While playing as the predators you can cloak yourself but when you are
doing this make sure you use a good attacker or else you will be
spotted

Pause the game and press R1(2), L1, R1, L1(2), R1, L1, R1(2), L1, R1, L1(2), R1, L1 to unlock the "Cheats" selection at the options menu. The cheat options include "Toggle Unit Spying", "Cheat Win", "Gimme $10000", "Show LZs", "Player Invulnerable", "Enable All Levels", and "Clear Fog Of War".

On the last Alien mission, enable cheat code and activate the "Toggle Unit Spying" and "Clear Fog Of War" cheats. The Predators on

To unlock Cheat Mode, pause the game and press R1, R1, L1, R1, L1, L1, R1, L1, R1, R1, L1, R1, L1, L1, R1, L1. Now, a number of Cheats will be available from the Options menu:

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