Quake (series)
Commercial
Quake is a series of first-person shooter video games, starting with the game of the same name.
Urban Terror
Free
Urban Terror is a freeware multiplayer first-person shooter video game.
Tremulous
Open Source
Tremulous is a free and open source team-based first-person shooter with real-time strategy elements.
Cube 2: Sauerbraten
Open Source
Cube 2: Sauerbraten ("sour roast", or Sauer) is a cross-platform, Quake-like first-person shooter that runs on Microsoft Windows, Linux, FreeBSD and Mac OS X …
Red Eclipse
Open Source
Red Eclipse is a fun-filled new take on the first person arena shooter, built as a total conversion of Cube Engine 2.
Alien Arena
Open Source
Alien Arena is a fast, free FPS deathmatch game.
Compare Unvanquished with alternatives
Compare Quake (series) and Unvanquished and decide which is most suitable for you.
Compare Cube 2: Sauerbraten and Unvanquished and decide which is most suitable for you.
Compare Urban Terror and Unvanquished and decide which is most suitable for you.
Compare Red Eclipse and Unvanquished and decide which is most suitable for you.
Compare Tremulous and Unvanquished and decide which is most suitable for you.
Compare Alien Arena and Unvanquished and decide which is most suitable for you.