Chocolate Doom by Simon Howard and contributors, based on DOOM by id Software. Cloudflare WebAssembly port. Fixed upstream source. GPL-2.0-or-later where stated in source headers.
Complete patched source · Changes · Build instructions · Packaging script · GPL license · Notices · Authors
SDL sources: SDL, SDL_mixer, SDL_net. Wrapper source: boot.js, messages.js and index.html. Browser Games Now modifications, 2026-10-20, GPL-2.0-or-later.
No DOOM game data is hosted. Select your own doom1.wad locally. Desktop solo, English game, sound effects only. Music, retail content, DOOM II, mods, touch and multiplayer are outside this delivery.