FIRST-PERSON SHOOTER
Unvanquished
Based on the daemon gaming engine, Unvanquished is a completely open source fork of the popular Tremulous game.
Version: 0.53 Beta
Web: https://unvanquished.net
On the face of it, Unvanquished appears like any other first-person shooter set in a futuristic, sci-fi setting. But the game has a rich history and was one of the first cool-looking open source shooters that could stand up to its proprietary brethren both in terms of gameplay and looks.