(last update - Aug 08 2005)
Total current cheats: 1
print meAll Cars
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!
Older Cheats: print me
(last update - Nov 26 2000)
Complete championship mode to unlock Monster Truck Bonus #1.
Complete outdoor arcade mode to unlock Monster Truck Bonus #2.
Complete indoor arcade mode to unlock Monster Truck Bonus #3.
Complete championship mode to unlock the Atlas Sandstorm, Corsica Rain, Far West Night, Iceland Snow, Scandinavia Storm, and Norway Night tracks.
Complete outdoor arcade mode to unlock the Scandinavia, Jordan, Greece Sunset, Norway, Iceland, Atlas, Alps, and Canada Rain tracks.
Complete indoor arcade mode to unlock the Indoor Scandinavia, Indoor Far West, Indoor Iceland, Indoor Atlas, and Greece Daylight tracks.
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.
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.
Pause during a game and press X + Y.