This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Niels Leenheer
html5test.com
did:plc:fdu5alepkigblthylzkahr4f
CSS is DOOMed!
I've build DOOM in CSS and every wall, floor, barrel, and imp is a div, positioned in 3D space using CSS transforms.
cssdoom.wtf
Try it out! But... not every browser can handle it. This is taking the browser to its limit. Chrome has some issues. Safari too. Bugs will be filed.
https://cssdoom.wtf
2026-03-27T15:16:07.361Z