http://megaswf.com/serve/1001478/

Aim of the game is basic evolution of a car, you can start by altering the amount of max wheels, and the impact of evolution. Then you have to use the UP/DOWN buttons on the right, to inherit and disinherit any genetics you do/don't want.

It's hard to grasp but it's fun, this is about the best I got but I've gotta go out now haha:

http://img443.imageshack.us/i/carlu.jpg/