# Bulletproof Crypto (invincibility)
Pause the game while playing as Crypto, then hold L and press X, Y, Left(2), Y, X. If you entered the code correctly, a message will appear.
# Ammo-A-Plenty (infinite ammunition)
Pause the game, then hold L and press Left, Y, White, Right, Black, X. If you entered the code correctly, a message will appear.
# Deep Thinker (infinite concentration)
Pause the game, then hold L and press Black, White, Y, Right, White, Y. If you entered the code correctly, a message will appear. Your concentration meter must be above 0% or you will not be able to use any of your mental abilities.
# Pox Unlocks (all upgrades)
Pause the game while on the Mothership, then hold L and press X, Y, Left(2), Y, X. If you entered the code correctly, a message will appear. All upgrades for the currently unlocked weapons will be available for purchase from Pox's lab.
# Mmm... Brains! (increase DNA)
At the Mothership's main menu, hold L and press Black(2), White(2), Left, Right, Left, Right, White, Black. If you entered the code correctly, a message will appear.
# Aware Like A Fox (maximum alert meter)
Pause the game, then hold L and press Right, X, White, Black, Right, White. If you entered the code correctly, a message will appear.
# Nobody Loves You (reset alert meter)
Pause the game, then hold L and press White, Right, White, Black, X, Right. If you entered the code correctly, a message will appear.
# Blind Humans
Pause the game, then hold L and press White, Black, Right, Left, X, Black, White. If you entered the code correctly, a message will appear.
# Alien From Ipanema mode
Pause the game, then hold L and press Y, Black, Left(2), White. If you entered the code correctly, a message will appear.
# Helvetica mode
Pause the game, then hold L and press Black, White, Black, X, Black, White(2). If you entered the code correctly, a message will appear.
# I Told U I Was Hardcore mode
Pause the game, then hold L and press White(2), Right, X, Y, Black, White, Black. If you entered the code correctly, a message will appear.
# Monkey Brad mode (annoys FlexMentallo)
Pause the game, then hold L and press White, Right, Left, Black, Y, White, Black, X. If you entered the code correctly, a message will appear.
# Furongami movies
Collect all the probes in the indicated side mission to unlock the corresponding movie in the "Furonigami" option under the Archives menu:
Art Of The Furon: Santa Modesta
Blue Book: Saucer Blueprints: Rockwell
Evolution Of An Alien: Turnipseed Farm
Face of the Enemy: Area-42
Pathetic Humans!: Union Town
The Concept Barnyard: Capitol City
# B-Movie Theater bonuses
Successfully complete the indicated level to unlock the corresponding movie under the "B-Movie Theater" option:
Furon Down!: Furon Down!
Outro Movie: Attack Of The 50 ft. President
Plan 9 From Outer Space: Teenage Zombies from Outer Space
Teenagers From Outer Space: Attack Of The 50 ft. President
# Furon Propaganda bonuses
Successfully complete the Attack Of The 50 ft. President level to unlock the following entries under the "Furon Propaganda" option: Crypto, Phone Home!, Developer Darwinism: Evolution Of The Game, E3 Booth Footage, and Goofy Screenshots And Voice-Overs.
# Screensaver
Allow the game to idle for awhile; eventually the screen will turn black and white and elevator music will play in the background.
# Pox remarks
Allow the game to idle at the mission selection screen and Pox will make various remarks.
# Control objects
When you pick something up, you can control it with the Right Analog-stick.
# Super Crypto
Enable the "Bulletproof Crypto", "Ammo-A-Plenty", and "Deep Thinker" codes, then get all of Crypto's upgrades. After this you can turn into a human and walk around TK'ing everything.
# Super saucer
Enable the "Bulletproof Crypto" and "Ammo-A-Plenty" codes while on your saucer. It will not get damaged or lose ammunition.
# Faster Destruction in saucer
Instead of holding R to destroy buildings or large objects, tap R and the destruction will happen faster without waiting for the recharge.
# Hypnotize faster
While trying to hypnotize people, quickly tap X.
# Extract DNA faster
While extracting a person's brain stem (alive or dead), quickly tap B. You will get their DNA easier. This is useful against the M Agents and Psi G-Men.