Behold, the greatest computer of its age: https://en.wikipedia.org/wiki/X68000

and a great video on some of the games https://www.youtube.com/watch?v=TQPt69UCyIA

Ah. You should be able to port DOOM to that fairly easily. Especially if it's got SDL, but even if it doesn't...

I expect nobody has bothered yet, because it was Japan-only, and DOOM is largely a western phenomenon: I don't think Japan even got DOOM when it was first released.