At the beginning where it says 'press start' press the left trigger, X and start. This should take you to the main menu. Then highlight the option button and press X and A When in the option menu press Y and B. This will get you cars!
Note: This trick assumes the game is under the default controller setting. When "Go" appears during the countdown at the start of a race, press R + A. If done correctly, you will get a faster start and a four-second boost.
Pause the game and press X + Y.
Successfully complete championship mode to unlock the Atlas Sandstorm, Corsica Rain, Far West Night, Iceland Snow, Scandinavia Storm, and Norway Night tracks.
Successfully complete outdoor arcade mode to unlock the Scandinavia, Jordan, Greece Sunset, Norway, Iceland, Atlas, Alps, and Canada Rain tracks.
Successfully complete indoor arcade mode to unlock the Indoor Scandinavia, Indoor Far West, Indoor Iceland, Indoor Atlas, and Greece Daylight tracks.
Successfully complete championship mode to unlock Monster Truck Bonus #1.
Successfully complete outdoor arcade mode to unlock Monster Truck Bonus #2.
Successfully complete indoor arcade mode to unlock Monster Truck Bonus #3.
Complete a race in championship mode, then save your game. If you are awarded the jackpot bonus, but lose, simply reload your saved game to try again.
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