Niels Leenheer hat Doom in CSS (und ein bisschen JavaScript) nachgebaut:
No, CSS is awesome. CSS is better than ever and it is only getting better. And that is why I built DOOM in CSS. Every wall, floor, barrel, and imp is a `<div>`, positioned in 3D space using CSS transforms. The game logic runs in JavaScript, but the rendering is entirely CSS. You can play it right now.


