Need for Speed Underground Rivals Cheats (PSP)

In drag racing if you tap the nitrous button instead of holding the button down your car
will accelerate quickly, but in a manner you can find easier to control.

Select the car and proper race level until you're goiing up against the boss car you want
to unlock. Then beat the  car at the PRO-level Boss Races. You'll find them available in
your pocket garage.

Select the car and proper race level until you're goiing up against the boss car you want
to unlock. Then beat the  car at the MASTER-level Boss Races. You'll find them available
in your pocket garage.