Unlockables
Double Ammunition Capacity: You must collect 30 Stars
Double Car Durability: You must collect 40 Stars
Free Vehicle Upgrades: You must collect 50 Stars
Health Increase: You must collect 10 Stars
Nitrous Increase: You must collect 20 Stars
Then & Now Change Option: Finish the Game
Atlus Racer, Negotiator Vehicle, Ram Raider: Finish the Game.
Body Snatcher mode
Reach 666 miles on your odometer. Melee attack a pedestrian to play as him or her.
Driver references
Driver posters are visible on the walls of the 1978 safe house.
Graffiti reading "Tanner Lives" can be seen on the walls of the 2006 safe house.
Driver strategy guides are found on a magazine rack in police headquarters.
Programmer references
Look on the newspapers blowing around the streets, taxi signs, the safe house dart board, and the safe house refrigerator door to see photos of the development team.
The Reflections logo can be seen as graffiti on some walls.
The Atari logo can be seen on a neon signs at Times Square.