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
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.
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.
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
Up to 5 Cars in your Garage:
In your garage is Staution Island you can only hold 2 cars...right? Well...there is a way to keep up to 5 cars in there at once!
Heres how you do it:
1.If you have 2 cars already in your garage, go get another one, and bring it to your garage.
2.Park it right in front of the garage with its nose practically on the garage door.(Don't worry this cheat will fix that dent)
3.Then get out of your car and walk to the garage door and when it opens, quickly jump back into your car and gas it!
4. The garage door will try to close on it, but it wont. Park it deep, so the garage door can still be closed.
5.Get out of the garage and presto, 3 cars in there now!
6.If you re-arrange your cars (sideways works well) you can fit 5 cars in your garage and it still closes, letting you have 5 nice cars ready to take out.
Yardie Lobo Shocks:
In Staunton Island you can jack the Yardie Lobo, when you speed up and slow down the shocks drop and lower naturally, but if you use the right-analog stick the suspension rises and falls in whatever direction you push it. You can actually roll the car from a stopped position, try it it's fun. Oh yeah, you don't have to save it for your garage to repair your car, just back off so the door closes then get near it to open and your car will be repaired.
Lots of cash:
For this to work you need two memory cards with a bit of cash on both and a reasonably good car worth about 1,0000 (it doesn't matter though). After that go to "trade" go to the memory card with that car. Then buy it get out of that and go to the other memory card and buy it back (As you just bought it, that one will have more money so buy it back)So the money go's back to you. The car actually duplicates so if you done it five times you would have five of them cars and never of spent a cent but you still have the cars so sell it then repeat as many times as you want. But keep one in case you like.
Get the tank:
All you need is about 15 rockets and 15 grenades and some armor. Get a big truck after you get the stuff mentioned above and go the third level with the airport. Get two stars so the police will follow you to the back of the airport. Go to the Helipad with the police helicopter and get on top of it. Throw the grenades to destroy the police that will come below. Use the rockets on the pesky helicopters after you get full stars start watching the ground for tanks when they come throw a grenade to kill the guys and hurry and jump in. This is the easiest way I could figure out how to do it.
Fast Car:
On portland city go to 8 balls BOMB SHOP then go right into the car sales and you will see a banchee car in a glass room smash the window with a car and hey presto you have a nice car
Hidden Packages:
When you see the ROCKSTER billboard, there are usually some items nearby. On the 3 islands, hidden packages are usually found near the billboards. For every 10 hidden packages you find, you gain access to a new weapon located at your hideout, free of charge.
Police Bribe:
Get 45 kills in vigilante mode to unlock a police bribe that is available in your hideout.
Easy"infinite"Run:
To continue at a fast pace without fatigue, just TAP x instead of holding it down. This helps when trying to give your character EXERCISE so that he can run for a long period of time as well.
Bonus Buggy:
Successfully complete the Mafia missions to unlock the Buggy. Return to the Portland and go to the Diablo parking lot (where the mission phone is located) between 19:00 to 24:00 to find the same Buggy glimpsed in Joey's garage from the Mafia mission. It will appear in the same location & change color each time.