Classic class cars:
Enter TheGoodStuff as a driver name to unlock more cars.

Expert class cars:
Enter WheelToWheel as a driver name to unlock more cars.

Downhill tracks:
Enter Geronimo as a driver name.

Endurance races:
Enter TheLongHaul as a driver name.

Hidden mini-game:
Hold Start and press A, B, A, B, A(2), B during a race. Then, release Start and press Start again.

Audi Quattro SI Hill Climb:
Get 70,000 points during game play.

Audi Quattro SI:
Get 40,000 points during game play.

Citroen Xsara Kit Car:
Win first place in the Mediterranean Rally.

Citroen Xsara Rallycross:
Get 12,000 points during game play.

Ford Focus Rallycross:
Get 12,000 points during game play.

Ford RS 200:
Win first place in all Rallicross Internacional races.

Lancia Delta Integrale:
Get 12,000 points during game play.

Lancia Delta S4:
Get 40,000 points during game play.

Metro ER4:
Get 40,000 points during game play.

Mitsubishi Lancer EVO 65:
Get 12,000 points during game play.

Nissan Micra:
Win first place in the Pro Rally Cup.

Nissan Skyline:
Get 12,000 points during game play.

Opel Astra T16 4x4:
Get 12,000 points during game play.

Peugeot 205 TI6:
Get 40,000 points during game play.

Peugeot 405 TI6 Hill Climb:
Get 70,000 points during game play.

Renault 5 Turbo:
Win first place in all Ice Racing International Circuit races.

Saab 9-3 T16 4x4:
Get 12,000 points during game play.

Saab 9-3 Viggen:
Win first place in all Koenig Unlimited races.

Subaru Impreza Hill Climb:
Get 12,000 points during game play.

Suzuki Grand Vitara PP Special:
Get 70,000 points during game play.

Toyota Tacoma Hill Climb:
Get 70,000 points during game play.

Hill Climb courses as downhill race tracks:
Get 100,000 points during game play to unlock the "Hill Climb Courses Usable As Downhill Race Track" mode.