Back in 1994, Doom was ported to the SEGA 32X, a piece of hardware that turned the SEGA Genesis into a 32-bit machine. In the name of science, someone decided to see about putting the FPS game on a vanilla Genesis console. The results are lackluster.
This handiwork comes from hardware modder krikzz on Twitter, who managed to get a Linux version of Doom running on a Mega EverDrive cartridge on the typical, off-the-shelf Genesis. Pushing the 16-bit retro console to its limits, the old game appears as a grey rectangle on the screen, though it does manage to run, albeit poorly. I say run, really it's just the main menu and demo screen, because actual gameplay is a whole other kettle of demons on tech this limited.
Doom was one of many facets in the console war of the early to mid-nineties between SEGA and Nintendo. SEGA managed to get the horror game on home consoles first, but required the 32X, an add-on peripheral, and even then it wasn't a perfect translation. Doom hit the SNES in 1995, a version that's comparatively weaker, but didn't need any other add-ons. The Atari Jaguar and 3DO got ports too, because even then Doom was put on anything that had a screen and buttons.
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