Various cheats
  
Get Full Armor, Full Health & $250.000:
     While  playing, press R1, R2, L1, X, Left, Down, Right, Up, Left,
Down, Right, Up.

Get Weapons:
     While playing, press R1, R2, L1, R2, Left, Down, Right, Up, Left,
Down, Right, Up.

Get Weapons:
     While playing, press R1, R2, L1, R2, Left, Down, Right, Up, Left,
Down, Down, Left.

Get Weapons:
     While playing, press R1, R2, L1, R2, Left, Down, Right, Up, Left,
Down, Down, Down.

Aggressive Traffic:
     While playing, press R2, Circle, R1, L2, Left, R1, L1, R2, L2.

Improve Car Handling:
     While playing, press Triangle, R1, R1, Left, R1, L1, R2, L1.

Invisible Cars:
     While playing, press Triangle, L1, Triangle, R2, Square, L1, L1.

Cars drive on water:
     While playing, press Right, R2, Circle, R1, L2, Square, R1, R2.

Commit suicide:
     While playing, press Right, L2, Down, R1, Left, Left, R1, L1, L2, 
L1.

Explode All Cars:
     While  playing,  press  R2, L2, R1, L1, L2, R2, Square, Triangle,
Circle, Triangle, L2, L1.

Crazy Pedestrians:
     While playing, press Down, Left, Up, Left, X, R2, R1, L2, L1.

Pedestrians hate you:
     While playing, press Down, Up, Up, Up, X, R2, R1, L2, L2.

Pedestrians have weapons:
     While playing, press R2, R1, X, Triangle, X, Triangle, Up, Down.

Slow Motion:
     While playing, press Triangle, Up, Right, Down, Square, R2, R1.

Fast Motion:
     While playing, press Triangle, Up, Right, Down, L2, L1, Square.

Faster Gameplay:
     While  playing,  press  Circle,  Circle,  L1, Square, L1, Square,
Square, Square, L1, Triangle, Circle, Triangle.

Lower Wanted Level:
     While playing, press R1, R1, Circle, R2, Up, Down, Up, Down, Up, Down.

Raise Wanted Level:
     While  playing,  press  R1,  R1,  Circle,  R2, Left, Right, Left,
Right, Left, Right.

Media Level Meter:
     While  playing,  press  R2, Circle, Up, L1, Right, R1, Right, Up,
Square, Triangle.

Normal Weather:
     While playing, press R2, X, L1, L1, L2, L2, L2, Down.

Rainy Weather:
     While playing, press R2, X, L1, L1, L2, L2, L2, Circle.

Sunny Weather:
     While playing, press R2, X, L1, L1, L2, L2, L2, Triangle.

Overcast Weather:
     While playing, press R2, X, L1, L1, L2, L2, L2, Square.

Foggy Weather:
     While playing, press R2, X, L1, L1, L2, L2, L2, X.

Turn Cars Black:
     While  playing,  press Circle, L2, Up, R1, Left, X, R1, L1, Left,
Circle.

Turn Cars Pink:
     While  playing,  press  Circle,  L1,  Down,  L2, Left, X, R1, L1,
Right, Circle.

Unlock the Stretch:
     While playing, press R2, Up, L2, Left, Left, R1, L1, Circle, Right.

Unlock the Rancher:
     While playing, press Up, Right, Right, L1, Right, Up, Square, L2.

Unlock the Bloodring Banger:
     While playing, press Down, R1, Circle, L2, L2, X, R1, L1, Left, Left.

Unlock the Hotring Racer 1:
     While playing, press R1, Circle, R2, Right, L1, L2, X, X, Square, R1.

Unlock the Hotring Racer 2:
     While  playing,  press  R2, L1, Circle, Right, L1, R1, Right, Up,
Circle, R2.

Unlock the Trashmaster:
     While  playing, press Circle, R1, Circle, R1, Left, Left, R1, L1,
Circle, Right.

Unlock the Rhino:
     While  playing, press Circle, Circle, L1, Circle, Circle, Circle,
L1, L2, R1, Triangle, Circle, Triangle.

Unlock the Romero Hearse:
     While  playing, press Down, R2, Down, R1, L2, Left, R1, L1, Left,
Right.

Unlock the Caddy (golf cart):
     While playing, press Circle, L1, Up, R1, L2, X, R1, L1, Circle, X.

Spawn the Jet Pack:
     While  playing,  press L1, L2, R1, R2, Up, Down, Left, Right, L1,
L2, R1, R2, Up, Down, Left, Right.

Spawn the Monster Truck:
     While  playing,  press  Right,  Up,  R1,  R1, R1, Down, Triangle,
Triangle, X, Circle, L1, L1.

Spawn the Quad bike:
     While  playing,  press  Left,  Left,  Down, Down, Up, Up, Square,
Circle, Triangle, R1, R2.

Spawn the Hydra:
     While  playing,  press Triangle, Triangle, Square, Circle, X, L1,
L1, Down, Up.

Spawn the Stunt Plane:
     While  playing, press Circle, Up, L1, L2, Down, R1, L1, L1, Left,
Left, X, Triangle.

Spawn the Hovercraft:
     While  playing,  press Triangle, Triangle, Square, Circle, X, L1,
L2, Down, Down.

Jump higher:
     While  playing,  press  Up, Up, Triangle, Triangle, Up, Up, Left,
Right, Square, R2, R2.

Increased bunny hop with the BMX:
     While  playing,  press  Triangle, Square, Circle, Circle, Square,
Circle, Circle, L1, L2, L2, R1, R2.

Vehicle of Death (destroys vehichles on impact):
     While playing, press L1, L2, L2, Up, Down, Down, Up, R1, R2, R2.