Change Vehicle Color
At the Vehicle Selection screen, press R.

Change Town Jam Track
Beat the game with a first place ranking in Grand Prix, Expert difficulty.

Drive the N64 Controller

In Time Attack mode, if you race until you get a time that ends in .064 seconds you will be able to drive the controller.

Get the Dominator
Using Black Lightning, beat the game in first place on Expert difficulty.

Get the Prowler
Using the Hornet Car, beat the game in first place on Expert difficulty.

Get the Reaper
Using the Shredder Car, beat the game in first place on Expert difficulty.

Get the Vengeance
Using the Avenger, beat the game in first place on Expert difficulty.

Neo Speed Way Track
Beat the game with a first place ranking in Grand Prix, Intermediate difficulty.

All Tracks and All Vehicles Turbo Boost
During a race, hold A. Drift hard to the left or right while holding Z. Let go of the buttons and press A to get a turbo boost.

Turbo Start
At the start of a race, hold down A and B. When the announcer says "go," release B.