Ten different cars from the lowest quality police car to highest quality police car are parked on different places of city and besides of city map there are some other maps that you can pick at the beginning of the game. You can drive your car freely in these maps, you can do stunts and can try to reach the top speed with the car you have.
Game controls:
Move: "ARROW KEYS"
Nitrous: "LSHIFT"
Brake: "SPACE"
Good luck!