Baldrson writes: "The first 3D Multiplayer Online Game was published in — 1994? No. 1984? Sorry, Mac. It was 1974 on the same system that Ray Ozzie, Microsoft's current Chief Architect got his start: PLATO IV. It was for up to 32 world-wide users all shooting it up in a space simulation called "Spasim". Watch the video of a recent demonstration running on a CDC Cyber emulated by an AMD64 system."