Unlimited ammo
Start a new game. When the weapon screen appears hold L1, L2, R1, R2, Circle. You should hear a sound like an a laser being shot if you entered the code correctly.
Level 25 Password
OXYGEN
Level 24 Password
ASSERT
Level 23 Password
PHONES
Level 22 Password
DUFFCO
Level 21 Password
SALADS
Level 20 Password
TANUKI
Level 19 Password
GADGET
Level 18 Password
APPLES
Level 17 Password
SHIRTS
Level 16 Password
STAPLE
Level 15 Password
LIQUID
Level 14 Password
ELIXIR
Level 13 Password
STROUD
Level 12 Password
INDIGO
Level 11 Password
BUTTER
Level 10 Password
TEAPOT
Level 9 Password
DUNDEE
Level 8 Password
SQUEAK
Level 7 Password
VOODOO
Level 6 Password
JUNGLE
Level 5 Password
BANANA
Level 4 Password
FINGER
Level 3 Password
BRAINS
Level 2 Password
OCTIPI
Unlock All Bonus Levels
Enter UTOPIA as a password.
Last Level Passwords
Level - Password
26 - JOYPAD
27 - ACTIVE
28 - MENACE
29 - WINDOW
30 - AGENDA
31 - PLINTH