Psychonauts cheats and cheat codes for Playstation 2

Cheats:
While playing the game hold L1 + R1, after enter any of the 
following button combinations bellow. If you typed correctly, 
the voice will say: "You cheated"

9999 Ammo: R3, X, L3, L3, TRIANGLE, CIRCLE 
9999 Arrowheads: X, R3, R3, R2, TRIANGLE, SQUARE 
9999 Lives: L3, R2, R2, CIRCLE, X, R3 
All Powers: CIRCLE, CIRCLE, TRIANGLE, R2, L3, TRIANGLE 
All Powers Upgraded: L3, R3, L3, R2, CIRCLE, R2 
Global Items: R3, CIRCLE, R2, R2, L3, TRIANGLE 
Invincibility: Circle, R2, Circle, Circle, Triangle, L2. 
New text: R2, X, L3, R2, R2, Circle 

Unlock Raz's psychic powers:
Clairvoyance: Go open the fridge in Boid's mind. 
Confusion: You can find it in Bullfighters home in Edgar's mind. 
Invisibility: Go and see Ford after you reach a higher rank. 
Levitation: Finish Milla's dance party 
Marksmanship: Destruct the Mega Censor in Sasha's mind, 
Pyrokinesis: Check Ford after you reach a higher rank. 
Shield: Relese the lungfish from prison 
Telekinesis: Go and see Ford once you have reach a higher rank.

Unlock bonus movie
Get the Psi Cadet rank 100 by accumulate all Psi-Orbs, Psi-Cards, 
Cobwebs, Figments, Emotional Baggage, and scavenger hunt items