https://www.youtube.com/watch?v=MWl2qQRyutc
Watched this video, where the guy basically recreates Doom
in an hour.
Keep in mind, Doom is a single-player game, and came out in 1993.
But... the video is 3 months old and was probably recorded some time before that.
So the question is, how far are we from making a game like P99 in AI?