You have to have two people playing Xbox Live to do this code.Have Player 1 go to the car selection screen.Player 1 selects the car they want, then press B.Have Player 2 go to the car selection screen and highlight any car.Player 1 then presses A.Then repeat the same thing but have Player 2 highlight the car they want.When you're using the car in a race, it'll be invisible.

In order to do this, you must be playing on Xbox Live. In the room, Pick any color car you want outside of the class of cars you want. Then you exit out of the game and go to single player and go onto ghost challenge, pick any race and then pick the car you want. Don't select it all the way, highlight it and then when it ask for automatic or manual transmission, back out of there and go back to the room. You will now have the color car you want on your favorite car.

At the menu screen. Hold R and black and press x,b,a,y. Then you will have all the cars.

First, go to the Kudos World Challenge. From there to the the car select screen. Then go to your garage. Once in your garage, press Y to walk around freely. Walk over the the arcade machine and press A. This will allow you to play the arcade game Geometry Wars, which was created just for PGR 2.