[2017] Also previously on HN, 70 comments: https://news.ycombinator.com/item?id=14548162 https://news.ycombinator.com/item?id=14548162 Still impressive. Also

[2017] Also previously on HN, 70 comments: https://news.ycombinator.com/item?id=14548162 https://news.ycombinator.com/item?id=14548162 Still impressive. Also, one of the comments there, from bluedino: "I remember you could do this with DOS Doom using the -left and -right parameters: you just needed three PC's that could run Doom AND a local area network."