A software engineer has ported Doom to a playable gif hosted at a popular fanfiction archive, and it works, though you probably aren't going to be slaying any Cyberdemons with it anytime soon.

Released on Mod DB today by modder Daniel “Cheello” Peterson, Voxel Doom 1.0 runs on GZDoom, a popular source port that vastly modernizes Doom’s nearly 30-year-old game engine. Veteran Doom ...