Ferrari F50
Lead a single race, full grid, advanced, for eight laps to unlock the NFS edition of the Ferrari F50.

Dodge Viper GTS
Get 2 million points to unlock the NFS edition of the Dodge Viper GTS.

Lamborghini Murcielago
Get 3 million points to unlock the NFS edition of the Lamborghini Murcielago.

Extra points
If you see a police car ahead, ram it to get him to chase you. Lose the police car and you will get extra points for a hit-and-run. Look for the dirt road shortcuts to lose the police and get ahead of other drivers. Also, choose to be the police in Hot Pursuit mode. You will get 25,000 points each time you complete one mini-mission.

Lamborgini Diablo 6.0 VT
Get 2.5 million points to unlock the NFS edition of the Lamborghini Diablo.

McLaren F1 LM
Win the World Championship to unlock the NFS edition of the McLaren F1 LM.

Secret Passage
In outback level at the first tunnel take a hard right and the is a wall that says 'Keep Out', go through it and you will be in a railroad tunnel, a nice shortcut.