On a Peloton

Doom Guy must practice a lot of cardio. On low-gravity Mars, who knows what kind of technology he uses to train for the marathons he runs throughout the original Doom games? For those of us who only have current-day technology, why not load up the original Doom onto your Peloton to kill some demons while you bike your way to success? At this point, the original Doom might last far longer than Peloton will, judging by its recent business hurdles.