There have been a lot of answers about the AI-competition aspect. Here's an attempt at a MUD-style distributed, programmable MMO: http://wiki.erights.org/wiki/D

There have been a lot of answers about the AI-competition aspect. Here's an attempt at a MUD-style distributed, programmable MMO: http://wiki.erights.org/wiki/Den http://wiki.erights.org/wiki/Den