Automobili Lamborghini 

Note: This game is also titled Super Speed Race 64.

Reversed tracks 
Beat championship mode under the "Novice" and "Expert" difficulty levels.

Bonus cars 
Complete one of the following series on the indicated setting to enable the corresponding car.

Porsche 959 
Arcade Basic series (Novice)

Ferrari 512 TR 
Arcade Pro series (Novice)

Bugatti EB110 GT 
Normal Championship series (Novice)

Ferrari F-50 
Arcade Basic series (Expert)

Dodge Viper GTS 
Arcade Pro series (Expert)

McLaren F1 
Normal Championship series (Expert)