Doom has been ported to a pair of earbuds, and you can play remotely on the programmer’s own pair in your browser
I know what you’re thinking. “How banal, yet another programmer has got Doom running where it doesn’t belong.” And I get it: you’ve seen id’s formative FPS running on a Lego brick, a PDF, bacteria, 100 pounds of potatoes, a pregnancy test, and even a piano. I don’t think I could make up something more…