If you just want to play with something that uses a genetic algo, there is this: http://boxcar2d.com/ http://boxcar2d.com/ You can handcraft a simple starting

If you just want to play with something that uses a genetic algo, there is this: http://boxcar2d.com/ http://boxcar2d.com/ You can handcraft a simple starting point and let it gradually evolve in different environments. Note how the different environments bring out different traits even tho the starting point is the same. I don't know how many hrs I lost playing with this. :)