BoxCar2D - neat little genetic algorithm demonstration

It appears that I have some 'cars' who now use what was once a useless? third wheel, now use it (as it grew a bit larger) to help them get over the humps. An example of exaptation?

So far, at the 20th generation (with 5 wheel max) my best is the three wheel family at 842. The two front wheels are vertical to each other. The two wheel families suck

Set the parameters you want in/for your population (such as number of wheels, wheel frequency, mutation rate and environment) and then sit back and watch. The FAQ explains the process of crossover, mutation, and how breeds are chosen to 'mate', among other things.Currently I am on the 40th generation, of course I let the computer run over night.