By GMH-Code and contributors, based on Yamagi Quake II and id Software’s Quake II. Fixed upstream source. GPL-2.0-or-later where stated in individual source headers.
Complete patched source · Changes · SDL source · Build instructions · Packaging script · Licenses · Credits · Upstream README
Wrapper source: boot.js, messages.js and this folder’s HTML. Browser Games Now modifications, 2026-10-19, GPL-2.0-or-later.
Original Quake II game data is separately licensed and supplied locally by the player. No PAK files are hosted. Acceptance scope: demo, English game, desktop, offline single-player. Retail content, mission packs and online rooms are unverified.