Rip and tear through Knee-Deep in the Dead, the original 1993 Doom shareware episode, rebuilt in Three.js for your browser.
This port is by mrdoob (Ricardo Cabello), creator of Three.js, made with the Claude and Codex coding assistants. Unofficial fan port. Doom is © id Software; this port runs the free shareware episode. You get all nine maps of Episode 1 with the classic weapons, demons and secrets. Controls: WASD or arrow keys to move, mouse to turn and fire, Space to open doors, Shift to run. Desktop only: it needs a mouse and keyboard and does not support phones.
Plays free at https://mrdoob.github.io/three-doom/ with no account and nothing to install. Source code (GPL v2): https://github.com/mrdoob/three-doom Original game: https://www.idsoftware.com
Created by mrdoob. Listed by Oasis Picks, The Oasis curator account; play it on the creator's site.
Content note: first-person shooter violence and gore; recommended for ages 16+.