Secret cars:
Win world championships with various cars to unlock the secret cars in the game (Street Rocket, Police Car, Hot Rod, Blue Demon, Low Rider, Baja Buggy, Pickup, Taxi Cab, Rag Top, Hatchback, Ambulance, and Woody Wagon).

Street Rocket:
Finish the Novice Championship with a gold using any car .

Taxi:
Finish the Amateur Championship with a gold using the Street Rocket.

Pick up truck:
Finish the Pro Championship with a gold using the Taxi.

Ambulance:
Finish the Legend Championship with a gold using the Pick up truck.

Baja Buggy:
Finish Destruction Junction with the best time in time trial mode with the Street Rocket.

Rag Top:
Finish Alpine Ridge with the best time in time trial mode with the Baja Buggy.

Blue Demon:
Finish Seascape Sprint with the best time in time trial mode with the Rag Top.

Hatchback:
Finish Terminal Impact with the best time in time trial mode with the Rag Top.

Low Rider:
Finish Metro Challenge with the best time in time trial mode with the Rag Top.

Woody Wagon:
Finish Bayou Run with the best time in time trial mode with the Rag Top.

Hot Rod:
Finish Sunset Canyon with the best time in time trial mode with the Rag Top.

Police Car:
Finish Midnight Rumble with the best time in time trial mode with the Hot Rod.

Quick start:
Press A immediately after "Set" is announced at the start of a race.

Hint: Losing your hood:
If you hit a car head on and press Z (rear-view button), you will see that the hood is off and view your engine.