Car Parts: Frantic Freeway circuit
Collect all four race car parts to receive the Frantic Freeway circuit.
Car Parts: Indianapolis
In the Indianapolis level, go throught the 1st tunnel. Make a sharp left turn at the end of the tunnel. The part is sort of in indented on the wall.
Car Parts: Malibu
When you start go straight to where the water meets the mountains. You will be granted the secret passage there. Go in there and find the car part.
Car Parts: Philadelphia
When the track turns into a ship keep going straight ahead. You will be granted the part after make a sharp turn left to get back on course.
Debug Mode
While the demo is playing and Press Start is flashing, press Right, Up, B, B, Up, Left, B, Z. You will see the words Debug Toggled if done correctly.
Drive as Ludwig
Achieve the platinum cup on every race on curcuit mode including "Victory Vehichles" and "Frantic Finale".
Note: The gold cup will not work.
Extra Levels
To get the levels "Victory Vehicles" complete and get gold on every series on professional level.
Play as Dewey
To play as Dewey, pick a character and play the Traffic Troubles, Motor Way Mania, Freewayphobias Amateur circuits and win the gold trophy. Dewey will be available under character select.
Play as Louie
To play as Louie, select a character. Then play the Traffic Troubles, Motor Way Mania, and Freewayphobia in the Intermediate Circuit and win the gold trophies in all of them. Louie will be selectable as a racer.
Quick start
Press A as the third light turns on during the pre-race countdown.
Unlock and race as Huey
You need to have the Nintendo Gameboy version of this game or have access to both the game and access to a Transfer Pak. Put the Nintendo Gameboy version of the game into the Transfer Pak. Use the transfer pack in the N64 controller. Huey should be unlocked now.