PO'ed
Books: Playstation Secret Codes - Secret Codes 2003
All Weapons
Enter Map mode by pressing Square + Select. Press Left until the
map arrow points toward you, then press Start to return to
standard map view. When the camera is rotating press L1 +
Square + X + Circle. Exit Map mode by pressing Select. Press
Triangle and you should get all the weapons.
Fart Sounds
Select "Load Game" on the main menu and press L1 + L2 + R1 +
R2. Exit the Load Game menu. The butts will make a farting
sound during the game.
Invincibility
Before using this code you must find the drill (or use the All Weapons
code). Bring up the weapons menu and select the frying pan. Call up
the weapons menu again and press Circle + R1 until 999 flashes
next to your health meter.
Level Select
At the main menu press L1 + L2 + R1 + R2 + Up, then release them.
Press Circle to start a new game. At the Difficulty screen, press
L1 + L2 + R1 + R2 + Down, then release them. Choose a difficulty
setting and the level-select menu will appear.
No Collision Detection
You must be in Jet Pack mode for this cheat to work. First, find
any dead body and stand over it. Then press Triangle to bring up
the weapons menu. Press L1 + Right + Down. You should fall
through the floor but you can use the jet pack to keep from falling.
To return to normal, bring up the weapons menu and press L1 +
Right + Down.
Refill Ammo
You must be in Foot mode for this cheat to work. Do a backflip by
pressing Square + L2. While airborne press Right + X + Circle to
refill your weapons.
Refill Health
You must be in Foot mode for this cheat to work. Do a back flip by
pressing Square + L2. While you're in the air. press Down + X + R2
to heal yourself.
View Ending
Go to the main menu and highlight Load Game. Press and hold Right,
then press Circle. Release Right and press Triangle to cancel. Next
press Left + Square then press Triangle to cancel again. You should
automatically go to the ending cinema.