Turbo Mode
     Pause gameplay, hold L1 and press Left, Up, Square, Triangle.

Unlimited Special
     Pause  gameplay,  hold  L1 and press Triangle, Right, Up, Square,
Triangle, Right, Up, Square, Triangle.

Fat Skater
     Pause  gameplay,  hold L1 and press X, X, X, X, Left, X, X, X, X,
Left, X, X, X, X, Left.

Thin Skater
     Pause gameplay, hold L1 and press X, X, X, X, Square, X, X, X, X,
Square, X, X, X, X, Square.

Big Head Mode
     Pause gameplay, hold L1 and press Up, Circle, Down.

Extra Points and End Level
     Pause  gameplay, hold L1 and press Square, Circle, Right, Square,
Circle, Right, Square, Circle, Right.

Unlock Everything
     Pause gameplay, hold L1 and press Up, Down.