It's Ludum Dare again, and "evolution" is the theme. Bah humbug I said, I voted against it. But the times have changed me. I may even have grown to like this theme, and love it as my very own. You might say that I've evolved.
Project page: http://www.moria.us/ludumdare/ld24/
Ludum Dare entry: http://www.ludumdare.com/compo/ludum-dare-26/?action=preview&uid=7606