John Carmack (@ID_AA_Carmack) is a legend. He has been a legend (in our opinion) since Commander Keen was released in 1990 for Id Software. In the world of 3d gaming John and his team has had many breakthrough hits with Wolfenstein 3D, Doom and Quake series. When it comes to achievements Carmack has runs on the board. Which is why many ears were pricked by his keynote at Quakecon 2013 when he shar
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