Cause a Riot:
To cause a riot of the non-Zoot Suit variety, enter the following code during gameplay: DOWN, UP, LEFT, UP, X, R1, R2, L2, L1.

Change Costumes:
To change the costumes in the game, enter the following code during gameplay: RIGHT, DOWN, LEFT, UP, L1, L2, UP, LEFT, DOWN, RIGHT.

Improve Your Driving Skills:
To make yourself a better driver, enter the following code during gameplay: R1, L1, R2, L1, LEFT, R1, R1, TRIANGLE.

Make it Foggy:
To turn on the fog, enter the following code during gameplay: L1, L2, R1, R2, R2, R1, L2, X.

Make it Rain:
To make raindrops keep fallin' on your head, enter the following code during gameplay: L1, L2, R1, R2, R2, R1, L2, CIRCLE.

Normal Weather:
To change the weather to normal, enter the following code during gameplay: L1, L2, R1, R2, R2, R1, L2, TRIANGLE.

Pump Up the Gore:
To increase the level of sticky, icky gore, enter the following code during gameplay: SQUARE, L1, CIRCLE, DOWN, L1, R1, TRIANGLE, RIGHT, L1, X.

Raise Wanted Level:
To raise your wanted level (God knows why), enter the following code during gameplay: R2, R2, L1, R2, LEFT, RIGHT, LEFT, RIGHT, LEFT.

Speed Things Up:
To make time pass faster, enter the following code during gameplay: CIRCLE (three times), SQUARE (five times), L1, TRIANGLE, CIRCLE, TRIANGLE.

Wanted Level Down:
To drop your wanted level, enter the following button combo during gameplay: R2, R2, L1, R2, UP, DOWN, UP, DOWN, UP, DOWN.

All Weapons:
During gameplay press R2, R2, L1, R2, Left, Down, Right, Up, Left, Down, Right, Up

Full Health:
During gameplay press R2, R2, L1, R1, Left, Down, Right, Up, Left, Down, Right, Up

Full Armor:
During gameplay press R2, R2, L1, L2, Left, Down, Right, Up, Left, Down, Right, Up


More money:
During gameplay press R2, R2, L1, L1, Left, Down, Right, Up, Left, Down, Rithg, Up
Tank:
During gameplay press Circle, Circle, Circle, Circle, Circle, Circle, R1, L2, L1, Triangle, Circle, Triangle.

People fistfight each other:
During gameplay press Right, R2, Circle, R1, L2, Down, L1, R1.
Gore Mode:
During gameplay press Square, L1, Circle, Down, L1, R1, Triangle, Right, L1, X.
Clear Weather:
During gameplay press L1, L2, R1, R2, R2, R1, L2, Triangle.


Cloudy Weather:
During gameplay press L1, L2, R1, R2, R2, R1, L2, Square.

Repair any car for free:
Just bring your car back to your save place, park it in the garage and save your game. After saving go back to your car and it is fully repaired.
Advance to Staunton Island:
To advance from Portland to Staunton Island prematurely, go to the subway. The subway should be closed off at he bottom of the stairs. Take a car down the stairs and either crash it or park it so the door is right next to the subway door. When you open the door to get out you will step out and through the closed off gate. Then go down to to subway and get on the train. It will take you to Staunton Island. It is tricky to get your car to land near the gate but it is possible.

Get into the Prison on Level 2:
On level 2 Chose a really fast car (Farriar gt)(Cop Car) and drive as fast as possible down towards the bridge that leads to the prison, jump off the bridge at you top speed and veer towards the left, once your on top off the wall jump out of your car real quick before it falls into the river. Follow the wall around to the left, you will see stairs leading down into the prison.( this will definitely take a few try's ) but once inside i find it humorous to kill the unarmed prisoners.

Get free shot gun:
Go to ammo-nation store and after you buy a gun walk up to the clerk and try to point the gun at him the best you can because you can target him, kill him, he shoots back so do it fast and after you kill him walk up to the counter and you will get his shotgun.

Extra Cash:
Not a cheat , more of a hint. When in an emergency car ( cop car , ambulance car , fire truck ) or a taxi. Press the right analogue stick ( R3 ) and you can do a sub mission for extra cash