In the options menu hold LR and enter the following:
Y, Y, X, X - Blow up vehicles in one hit
X, X, X, X - Faster cars
Y, Y,Y, Y - Fastest cars
Y, A, Y, A - Infinite car health
X, X, X, Y - Press horn to do a huge leap in your car
B, B, B, A - More camera angles
B, A, B, Y - Grid mode
A, B, A, B - All reward Cars
A, X, X, Y - Credits
Y, Y, B, X - Speedometer display
B, B, Y, X - Red Brick Car
Y, B, Y, B - Tripping mode
Get in other people's cars
If you want to do this first you have to get out of the car you're already in, then go up to a car that's driving in the street or get on top of it and wait till you see the y button icon at the top of the screen and press the y button there, now you're driving in someone else's car
In the first level of this game you can find a rocket car. Find the power plant and take the tunnel all the way through. When you arrive out you will see large mansions. Go straight out, turn right, then left and immediately to your left will be a gold house. walk up to the front gate and you will see a rocket car from that old episode... you know that one. Get inside with y. Keep in mind that this car is extremely fast and not so durable so be careful
Drive through Booths and crates instead of kicking them to get coins faster
How to get cars
There are several ways to get cars first of all you will be required for each level to buy 1 that is the easiest. You can buy them from Gill who will be marked with a sign on map. One person somewhere on the map will have an over there head do a mission for them and u will get a car. Also buy doing the 3 races presented in the levels you will get a car from Patty and Selma.
Ride A Quad
In the 4th level go to the trailer park. On the side of one of the trailers is a quad. Press the Y button to ride it.
Lots of money in the beginning
Take a car that is not your own and keep smashing it into a object that can't be moved. The car should blow up pretty easily emitting a large amount of coins
Skip a Mission
To skip a mission, you have to fail a mission 5 times and then in the menu you will have the option to "skip" sometimes you will have to fail a mission 6 times. It's common sense if you have played Road Rage, in the Missions fail it 5 times and you skip it, same as here NOTE: THIS DOES NOT WORK ON THE LAST MISSIONS FOR ANY LEVEL
How to get bart and the second level
How to get Bart and the second level Downtown Do all of Homer's missions and it will take you to Downtown with Bart as the character
When you are playing as Bart level 2 you must go to see Frink by the stadium. Near there cant remember exactly where is a monster truck sitting on top of a ledge of some kind. Jump up on the ledge and press Y to drive the Monster Truck
Go to the Halloween level aka level 7. Now walk out in to the middle of the street. And wait till a car stops in front of you. And when it says press y to enter. Don't do it. Instead, press a and jump on the back of the car that stopped by you. It works best with the ghost boat because, there is a lot of room on it. Once your on the car, don't press anything. And after a few seconds, the car you are on will begin to move and homer will act like hes surfing. The car will take you all over the level
Lots of Money
Drive all around and find the flying bee cameras. When you find one go to it jump and hit and a large amount of cash well come up.
Get Bonus Game
To Get The Bonus Game You Need To Get All Of The Collector Cards In At Least 1 Level. NOTE: This will let you play 1-3 player games and races.
Change your clothes
Go inside the school or the Kwik-e-mart and go up to the shirt with the sign above it and press the Y button then you can buy different cloths such as Homer in his under wear or in a dress.
Get a really fast car and get a broken car
When your on the third level with Lisa go to the boat by the casino go off the ramp and around the boat toward the Springfield's Hollywood. On your right you'll see a krusty glass break and go on the ramp once you get on the boat drive to the right and you'll see a box connected to a crane go pass it and the take a left get out of the car and go up the stacked boxes. Once you get up those youl well have to jump onto a bigger box go around it and there will be an opening on the box inside is a really fast car. Getting a blown up car by the bowlarma with lisa go into an alley way put a car you should get from someone driving put it under the thing that stops you from going and then goes back up it will it a couple of times and then it will blow up go by and press y if it tells you to if it doesn't you did it wrong. The car goes really slow because it blew up.