If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Here is a doctor, a thief, a Kid and a detective waiting to get their car modeled as per their taste and desire.Each one of them have different ideas on modeling their car. All you have to do is to design cars individually for each one of them according to their desire and taste. Get them satisfied by your design and win their appreciation.
Use mouse to upgrade the car.
Up arrow key to test the car.