If you're interested in the intersection of game AI and 'real' AI, you might also want to check out NERO and all the work associated with it that has been done over the years: http://nn.cs.utexas.edu/?nero . One of the original principals on NERO, Ken Stanley, went on to a professorship at the University of Central Florida, where his team produced Galactic Arms Race. They have a social game in the works called Petalz: http://petalzgame.com .