Unvanquished is a free and open source FPS/RTS hybrid game powered by the Daemon game engine. Historically based on Tremulous as a continuation with decades of work over it.
Daemon Game Engine — Maintained multiplatform 3D game engine tailored for first-person shooters, delivering 25 years of modernization after id Tech 3. Historically based on ioquake3, Wolf:ET and Xr…