Destroy All Humans! Cheats: Invincibiltiy 

Pause and hold L2. Enter SQUARE, CIRCLE, LEFT, LEFT, CIRCLE, SQUARE.

Destroy All Humans! Cheat: Unlimited Ammo

Pause the game and hold L2. Enter LEFT, CIRCLE, R2, RIGHT, R1, SQUARE.

Destroy All Humans! Cheat: Unlimited Mind Power

Pause the game and hold L2. Enter R1, R2, CIRCLE, RIGHT, R2, CIRCLE. Your MC meter will not decline, but make sure it's above zero for the code to work.

Destroy All Humans! Cheat: Upgrades

Go to the mothership. Pause the game and hold L2. Enter SQUARE, CIRCLE, LEFT, LEFT, CIRCLE, SQUARE. All the upgrades for the unlocked weapons will become available at Pox's lab.

Destroy All Humans! Cheat: Max Alert Meter

During a mission go to the start menu, hold L2, then enter RIGHT, SQUARE, R2, R1, RIGHT, R2.

Destroy All Humans! Cheat: Increases DNA

You have to be on Mothership. Go to the start menu, hold L2, then enter R1, R1, R2, R2, LEFT, RIGHT, LEFT, RIGHT, R2.

Destroy All Humans! Cheat: Reset Alert Meter

During a mission go to the start menu, hold L2, then enter R2, Right, R2, R1, Square, Right.

Destroy All Humans! Unlockable List

• Crypto phone home: Complete attack of the 50ft president.

• E3 booth footage: Complete attack of the 50ft president.

• Goofy screenshots and voice overs: Complete attack of the 50ft president.

• Art of the Furon movie: Collect all the probes in Santa Modesta

• Blue Book : Saucer Blueprints movie: Collect all the probes in Rockwell

• Evolution of an alien movie: Collect all the probes in Turnipseed Farm

• Face of the enemy movie: Collect all the probes in Area-42

• Pathetic Humans! movie: Collect all the probes in Union Town

• The Concept Barnyard movie: Collect all the probes in Capitol City

• Full-length Teenagers from Outer Space: Finish the game

• Outro movie: Complete attack of the 50ft president.

• Plan 9 from Outer Space clip: Defeat the Teenage Zombies from Outer Space mission