Xonotic

Xonotic is a fast-paced first-person shooter that is free and open-source. It features a variety of game modes, including Capture the Flag, Deathmatch, and more, with a focus on competitive gameplay. The game offers dynamic gameplay, a comprehensive selection of maps and weapons, and robust multiplayer options. Developed by the Xonotic Team, it aims to provide a high-quality gaming experience with rich visuals and a deep tactical layer.