Adjust fog color...
	All Unlockables...
	Change screen position...
	FIVE-OH CAR...
	Mirrored series tracks...
	MOUNTAIN DEW PICK-UP...
	PREDATOR CAR...
	SEMI TRUCK...
	SQUIRREL CAR...

Select a non-series race. When the screen fades, hold L + R + C-Up + C-Down + C-Left + C-Right + Down and wait until the track selection screen has fully appeared. Then, press Right until an option to adjust the fog color appears.

Unlockable	How to unlock
California Track	Complete Week 5 of California Cup.
Camper	Complete Heavy Series with the Ol' Truck.
Clover Track	Complete Week 2 of Sport Series.
Dozer	Beat the California cup with the Semi Truck.
Five-Oh Car	Complete Sport Series.
Forklift	Complete Light Series with Insect Car.
Fuji Track	Complete Week 3 of Sport Series.
Insect Car	Complete Light Series with Squirrel Car.
Mano Car	Complete Sport Series with Predator Car.
Mountain Dew Pickup	Complete Heavy Series.
Ol' Truck	Complete Heavy Series with Mountain Dew Pickup.
Oval Track	Complete Week 2 of Heavy Series.
Predator Car	Complete Sport Series with Five-Oh Car.
San Andreas Track	Complete Week 3 of Heavy Series.
Semi Truck	Complete California Cup.
Squirrel Car	Complete Light Series.

During a single player race, hold L + R + Start on controller two and move the Analog-stick on that controller.

Beat the Sport Series.

Select practice mode and choose the mirrored version of any track. Once on the track, exit and begin a race in series mode. The series track will now be the mirrored version.

Beat the Heavy Series.

Beat the Sport Series with the Five-Oh car.

Beat the California Cup.

Beat the Light Series.