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Unlock Cheat Mode Menu:
Unlock any cheat and the Cheat Mode menu option will appear on the options screen.

Unlock Custom Series Championship:
Earn gold medals in every race and complete Championship Mode to unlock Custom Series Championship.

Unlock Freerun:
Finish Custom Series Championship to unlock Freerun Mode in the Cheat Menu.

Unlock Invulnerability Option:
Finish the Grand Prix Championships with gold medals to unlock this option in the Cheat Mode menu.

Unlock New Cars:
To unlock the cars below, complete the corresponding goals:
Custom Compact: Beat Custom Series Qualifier.
Custom Coupe: Get all gold medals at Split Second Grand Prix.
Custom Muscle Car: Beat Pursuit 6.
Custom Pickup Truck: Beat Pursuit 5.
Custom Roadster: Get all gold medals at the Point Of Impact Grand Prix.
Custom Sports Car: Get all gold medals at the Speed Streak Grand Prix.
Custom SUV: Beat Pursuit 4.
Classic 1970 Car: Destroy the car with a police car in Pursuit 2.
Drivers' Ed Car: Get all gold medals in Driving 101.
Gangster Car: Beat Pursuit 3.
Hot Rod Car: Beat Face Off 1.
Japanese Muscle Car: Beat Face Off 2.
Oval Racer: Beat the car in Face Off 2.
Polic Car: Beat Pursuit 1 and destroy the villain's car.
Super Car: Beat Face Off 4.

Unlock Runaway Mode:
Finish Crash mode with Gold Medals in all the challenges to unlock Runaway Mode in the Cheat menu.