Special Attack Cheats
Use a freeze attack on the car in front of you by entering "Up," "Down" and "Up." Set out a mine with "Right," "Left" and "Down." Hold the "Down" button for two seconds while entering the mine code to charge the mine for more damage. Make your car invisible with the cheat code "Left," "Left," "Down" and "Down." Protect your car with an energy shield by inputting "Right," "Right," "Down" and "Down." Enter "Left," "Right" and then press "Down" and the appropriate button to shoot weapons behind you.
Infinite Bonuses
Hold down the four shoulder buttons -- "L1," "L2," "R1" and "R2" -- and then press "Right," "Left," "Down" and "Up" to get infinite turbo and health. Earn infinite weapons and ammo by holding the four shoulder buttons and pressing "Up," "X," "Left" and "Circle."
Unlock Levels
Pick a strong vehicle and enter "Endurance Mode." Destroy 10 rival cars without dying on the "Snowy Roads" level to unlock "Freeway." Complete this same accomplishment in the "Drive-In" level to unlock the "Mini-Suburbs." Destroy 15 vehicles without perishing in the "Zorko Bros. Junkyard" stage to open up the "Prison Ship" level.
Unlock Characters
In the "Zorko Bros. Junkyard," blow up the plane with a missile. Enter the wreckage of the plane and find the computer panel. Destroy this panel to unlock Yellow Jacket. You can also unlock Warthog for play by finding a secret in the "Mini-Suburbs." Go to the carnival area and turn left. Head up the hill and jump off the other side to land on a building. Destroy the structure on top of the building to create a hole. Fall into this gap and destroy the control panel inside the building to unlock Warthog.