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I Made Doom, But in Scratch
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More Interesting Findings About Doom's Graphics
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kkrieger: Making an Impossible FPS | Nostalgia Nerd
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Why Doom is Awesome: Binary Space Partitioning
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Wolfenstein 3D's map renderer
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A closer look at the Super NES DOOM Source Code Release | MVG
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Programming a first person shooter from scratch like it's 1995
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