Qwasm2 by GMH-Code and contributors; based on Yamagi Quake II and Quake II by id Software. GPL-2.0-or-later where stated in source headers.
LICENSE includes Quake II GPL, Info-ZIP, zlib, SDL main, stb, miniz, GLAD, Khronos and gyro notices. SDL 2.28.4: zlib license, SDL-LICENSE.txt; complete source ZIP accompanies this build. Emscripten 3.1.57: MIT/University of Illinois/NCSA, EMSCRIPTEN-LICENSE.txt.
Browser Games Now changes dated 2026-10-19: SDL2 SDK port, no GL1/GL4ES target, current stack flag, exported FS, isolated browser saves, keyboard attack/jump defaults and 800x600 initial mode. Wrapper GPL-2.0-or-later.
No original Quake II PAK, maps, music, EXE or DLL is included. Players supply their own game data locally. Offline single-player only.