There is a free racing game involving cars called Turn Turn that can be played online.
Directions for Turn Turn
Parking and driving are both enjoyable activities, but they do take some ability. You have no choice but to start driving onto the road while attempting to avoid collisions with other automobiles. To start your vehicle, you just need to tap once with your finger or mouse. Maintain a steady motion and determine the optimal time to move forward.
Stay away from obnoxious drivers who will attempt to block your path. But be careful! If you are unable to timing your moves properly, you will lose and the game will be over. Make sure you don't forget to get your money!
Some examples of can be found in the following:
vivid vision in three dimensions.
There are a lot of obstacles that need to be overcome.