Cliffhanger track
Select Rally Contest, then press Right at the track selection screen to display the cheat entry screen. Press Right, Up, Left to unlock the Cliffhanger track.

Chieftain and General vehicles
Select Rally Contest, then press Right an the vehicle selection screen to display the cheat entry screen. Press Left(3) to unlock the Chieftain vehicle. Press Left(3) again to unlock the General vehicle.

Dust Devil and Silver Streak vehicles
Select Rally Contest, then press Right an the vehicle selection screen to display the cheat entry screen. Press Left, Up, Right to unlock the Dust Devil vehicle. Press Left, Up, Right again to unlock the Silver Streak vehicle.

Hyena and Bad Omen vehicles
Select Rally Contest, then press Right an the vehicle selection screen to display the cheat entry screen. Press Right(3) to unlock the Hyena vehicle. Press Right(3) again to unlock the Bad Omen vehicle.

Wildcat and Thrasher vehicles
Select Rally Contest, then press Right an the vehicle selection screen to display the cheat entry screen. Press Up(3) to unlock the Wildcat vehicle. Press Up(3) again to unlock the Thrasher vehicle.

No drones
Select Rally Contest, then press Right at the track selection screen to display the cheat entry screen. Press Left, Up, Left.

No nitros
Select Rally Contest, then press Right at the track selection screen to display the cheat entry screen. Press Up, Left, Up.

No catch-ups
Select Rally Contest, then press Right at the track selection screen to display the cheat entry screen. Press Right, Left, Right.