Quake
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This is the original 3D game that really started it all. Brought to you by the creators of Wolfenstein 3D and Doom, Quake is the first game to introduce true 3D fluid motion technology and that means you can look in every direction including up and down. The quake engine was a breakthrough in 3D gaming technology, it is still considered the fastest engine, and also the most popular of 3D action games.