Cheat mode
Press Start to pause game play in a campaign, then 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".
Alternatively, get the all gold medals in the game to unlock the same
options.

Last Rites
None.

Under The Gun
Mission: Destroy 3 cars with weapons in them.
Reward: Ritual Armor costume/outfit and Shoulder Cannon upgrade directly
behind you at start.
Skin Trade
Mission: Kill 8 prostitutes.
Reward: Bandoleer upgrade.

Bonus missions and rewards
A Midsummer Night's Massacre
Mission: Kill Irish boss.
Reward: Jungle Hunter costume/outfit (Predator).
Copycat
Mission: Kill an easy to find man. Buy some of the ghost suits. In
a walkway connecting 2 buildings is a weapons upgrade.
Reward: Health upgrade. Wrist blade upgrade.

The Machine Men
Mission: Just behind the machine men. Wrist Blades upgrade.
Reward: Wrist Blades upgrade.
Sink The Shipment
Mission: The area you get the maul. When you 1st enter at the
gate, on the other side is a man on his knees. Shoot him with the
Speargun or Plasma Caster at far range so he does not run away.
Reward: Health upgrade and Maul.
Raze The Depot
Mission: At the start on the left side are 3 people in a room.
Wait until they are gone and one will come out underneath you.

If It Bleeds…
Mission: Deactivate cooling fans in order (1-4). There is a weapon
upgrade by the main reactor.
Rewards: Bandoleer upgrade and Smart Disc upgrade.

Glitch: Smartguns pointed backwards
On the Marine mission 6, enable cheat code and activate the "Toggle
Unit Spying" cheat. Look for some hostile smartgunners. Their
Smartguns should be pointed backwards.

La Famiglia
Weapon upgrade on top of the mansion. Speargun upgrade.
Death In The Family
Mission: At the other side of map will be a man behind curtains.
Kill him to retrieve an armor upgrade. There is a glaive in the
middle of the room.
Reward: Glaive and armor upgrade
.
Kill him.
Reward: Energy upgrade.
The Monster Squad
Weapon upgrade in a small corridor on fire.
Reward: Glaive upgrade.
A Night To Remember
Kill all the snipers at the area where you have to kill
lieutenants.
Reward: Alien Hunter costume/outfit (Alien vs. Predator)
Extinction Event
Mission: Ignore the 1st lot of enemies and proceed to find a man
who you have to kill.
Reward: Dark Blade Clan costume.

The Boss Of This City
None.
Escape
Mission: Kill the head scientist with the symbol over his head at
the place where you get the scientist for the retinal scanner.
Reward: Armor upgrade
Rescue
Mission: All doors on left side require a soldier for retinal
scanner. The 3rd one along has the man you must kill. In the
other 3 rooms on the left and the area where you retrieve
weapons are weapon upgrades.
Reward: Combistick, Smart Disc and Maul upgrade. Bandoleer
upgrade.
Prey Of The Clan
None.

Bug Hunt
Mission: Kill 50 aliens.
Reward: City Hunter costume/outfit (Predator 2)
The New Flesh
Mission: Destroy the big computer up on top. At the start there is
a weapon upgrade.
Reward: Bad Blood costume/outfit and Maul upgrade.
End Of Empire
None.


Ten Thousand Ways To Die
Mission: Activate the 3 stealth beacons. There is a weapon
upgrade close to one of the last beacons.
Reward: Health upgrade and Glaive upgrade.
Come to MOTHER
Mission: Kill all prototype Ulysses.
Reward: Energy upgrade.
Hot Time In The Old Town
Mission: Kill the 1st 8 guards without alerting any of them.
A weapon upgrade is on top of the church.
Reward: Shoulder Cannon Upgrade and Armor upgrade.

Sacrifice
None.
Dead Man Walking
Mission: Destroy 2 crates. There is a weapon upgrade somewhere
near one of the crates.
Reward: Energy upgrade. Combistick upgrade.
Sanctuary
None.

Glitch: Blue screen
Enable cheat mode. With a help of the Drone, start a Queen's Nest.
Before you have her lay eggs, set her to "No attack" and get the
maximum units that you can have (43 eggs, the Drone and the Queen).
With the Drone, arrange the eggs in a way you can see all of them in
the viewport (screen). Select all eggs and hatch them. The
PlayStation2 will freeze on a blue screen.

Glitch: Wrong unit colors
On the last Alien mission, enable cheat code and activate the
"Toggle Unit Spying" and "Clear Fog Of War" cheats. The Predators on
the level should show up as blue and the Marines should show up as
the predator color on your mini-map.

PS2 Cheats for Aliens Vs. Predator: Extinction

Aliens Vs. Predator: Extinction cheat codes

Aliens Vs. Predator: Extinction cheats