Wa-Tor is a very simple demonstration of the power of evolutionary learning to discover solutions for successful agent behaviour. I based this demonstration on the program "Palmiter's Protozoa", which was discussed in A.K. Dewdney's "The Magic Machine", pp. 161-176.
Version 2, released January 17, 2008, adds the possibility to change the "Reverse" gen B into a "Kill" gen. When the Kill action is activated, a bug will kill his direct neighbours, and will steal 10% of their health. Furthermore, I made one or two bug fixes and set a limit of [-10,10] to the allelle values.