Need for Speed Underground Rivals Cheats
for PlayStation Portable

Unlockable: 1969 Dodge Charger and Subaru Impreza WRX STi

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.

Unlockable: Chevrolet Corvette Z06 and Nissan Skyline R34 GTR

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.

Hint: Boosted Acceleration

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.