OpenArena game content by the OpenArena Team, GNU GPL version 2. ioquake3 engine by id Software and contributors, GPL-2.0-or-later. Leaf browser lifecycle/save adapter GPL-2.0-or-later. Solo browser edition with local computer opponents; no original Quake game data, accounts, ads or purchases. The separate mature-model pack is excluded. Native rendering uses WebGL 2 with optional SSAO/depth-blur disabled. Official editable media sources from https://openarena.ws/svn/source/assets/ (revision 951) and original gamecode 0.8.8 are included in source/. Original distribution notices remain in every game archive.