MX vs ATV Unleashed - Cheat Codes

Unlimited Demolition Derby:
Go to free class racing, pick any monster truck then put your opponents on golf carts. Go to redwoods practice, when you get to the end you'll be having a unlimited demolition derby

Backflip hint:
Well, your BackFlip, you've used it so many times that it gets you 3 points. You can stop that by doing a trick flip. Start the usual BackFlip, double backflip if nessesary and right after you lift off in the air and start doing the back flip, do any trick, and you will get a higher score. Not only will you get more points for doing a combo, you get double the points. WHen it starts getting you low points, try another trick