California Speed
Bonus Cars
To earn the bonus cars, meet the following criteria.
FIVE-Oh Car -- Beat the Sports Cup in first.
Mountain Dew Pick-up -- Beat the Heavy Cup.
Predator Car -- Beat the Sports Cup with the Five-Oh Car.
Semi Truck -- Beat the California Cup in first.
Squirrel Car -- Beat the Light Cup.
Insect Car -- Beat the Light Cup with the Squirrel Car.

California Track
If you completely beat Series Mode you are awarded the "CALIFORNIA" track.

Clover Track
To unlock the Clover track, you must first play the Sports Series and access the Fuji track.
Get to the third week and you will see another "?" after the Fuji track. Beat Fuji again and it will say that you've unlocked Clover.

Fiji Track
To unlock Fiji you must play Sports Series and use the 486se car to get to the second week 5th race and beat it before the time runs out.

Get the Mano car
To get the Mano car beat the sport series with any car except the Five-oh car.

Mirror Series
Go into Practice. Before selecting a track make sure that you set it to "Mirror." Go into the Practice track; but you don't have to race the track. Simply exit and start a "Series" race. Now you can race the "Series" in Mirror Mode. Go back into Practice and switch "Mirror" off to switch "Mirror Mode" off.

Monterey shortcut
As you go in the aquarium on the left is a shortcut which takes you underwater and straight to the golf course

Screen Adjust
While playing any race in the 1 payer mode, have a friend push and hold L, R, & Start. While he/she is still holding these buttons, have them move the joystick. The result, a limited movement of the screen.
(Eds. Note: push L, R, and Start on the second joystick perhaps?) submitted by chris garrison

Shortcut in Mt. Shasta
Right after the first turn there is a break in the tress on the left. Cut through there to shave some time off the lap.

Use the Bulldozer
To use the Bulldozer you must win every race in the california cup.
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