AI from Michael Cook (a computer scientist at Imperial College London) is still quite impressive. The artificial dev is able program enemy behavior, layout levels, and distribute power ups with random attributes. While many elements of a game like Space Station Invaders (which you can play at the more coverage link) are designed by human hands, it's Angelina's ability to act as a composer building something fun from the various ingredients that's so interesting. Before setting a level in stone she plays through the possible combinations, determining which will be most enjoyable for a human player. Hit up the source link for loads more info.