Foone Turing made 1993’s Doom Playable in a pregnancy test. Foone shared Rick Astley’s progress on making playable videos in the pregnancy test, including Never Gonna Give You Up and dance stick bugs on Twitter.
Since then, he’s shared his journey to make Doom truly playable and he really achieved his goal.
Note that Foone replaced the screen and microcontroller, so the only part of the original tester is the shell. Doom runs on a 128×32 pixel monochrome display at 1bpp and making it playable is a truly impressive feat.