Simpsons Skateboarding cheats and cheat codes for Playstation 2

Go to the character selection screen and enter the following cheats:

Unlock every boards
Hold L1 + L2 + R1 + R2 and press X, Triangle, Circle, Square.

Receive $99
Hold L1 + L2 + R1 + R2 and press Triangle, X, Circle, Square.

Stage select
Hold L1 + L2 + R1 + R2 and press Triangle, X, Square, Circle.

Unlock every skaters
Hold L1 + L2 + R1 + R2 and press Circle, Triangle, X, Square.

Unlock Fuzzy skaters
Hold L1 + L2 + R1 + R2 and press X, Triangle, Square, Circle.

Unlock Giant head Homer
Hold L1 + L2 + R1 + R2 and press Circle, X, Triangle, Square.

Unlock Giant head Bart
Hold L1 + L2 + R1 + R2 and press X, Square, Circle, Triangle.

Unlock Gangsta Bart
Hold L1 + L2 + R1 + R2 and press Circle, X, Square, Triangle.

Unlock Demon Marge
Hold L1 + L2 + R1 + R2 and press X, Square, Triangle, Circle.

Unlock Giant head Lisa
Hold L1 + L2 + R1 + R2 and press Square, Triangle, X, Circle.

Unlock Gangsta Lisa
Hold L1 + L2 + R1 + R2 and press Square, Triangle, Circle, X.

Unlock Giant head Nelson
Hold L1 + L2 + R1 + R2 and press Triangle, Square, Circle, X.

Unlock Ballerina Nelson
Hold L1 + L2 + R1 + R2 and press Triangle, Square, X, Circle.

Unlock Otto with sunglasses
Hold L1 + L2 + R1 + R2 and press Square, X, Circle, Triangle.

Unlock Giant head Frink
Hold L1 + L2 + R1 + R2 and press Square, X, Triangle, Circle.

Unlock Groovy Frink
Hold L1 + L2 + R1 + R2 and press X, Circle, Triangle, Square.

Unlock Business suit Krusty
Hold L1 + L2 + R1 + R2 and press Circle, Triangle, Square, X.

Unlock Giant head Chief Wiggum
Hold L1 + L2 + R1 + R2 and press X, Circle, Square, Triangle.

Unlock Man eater Wiggum
Hold L1 + L2 + R1 + R2 and press Triangle, Circle, Square, X.

Unlock Underwear Homer
Hold L1 + L2 + R1 + R2 and press Triangle, Circle, X, Square.

Unllcok cheats
Finish the game with any character 
or 
Accumulate all items in Skatefest with Chief Wiggum

Unlock Bonus skaters
Win on 2 different Timed Trick Contest stages