Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux. The project is geared towards providing addictive arena shooter gameplay which is all spawned and driven by the community itself. Xonotic is a direct successor of the Nexuiz project with years of development between them, and it aims to become the best possible open-source FPS (first-person-shooter) of its kind.

Packages are available for the following releases:
Ubuntu 16.10: 0.8.2-1~getdeb2
Ubuntu 13.10: 0.7.0-1~getdeb1
Ubuntu 16.04: 0.8.2-1~getdeb2
Ubuntu 14.04: 0.8.1-1~getdeb1
Ubuntu 17.04: 0.8.2-1~getdeb2
Ubuntu 12.04: 0.7.0-1~getdeb1
Ubuntu 14.10: 0.8.0-1~getdeb1
Ubuntu 12.10: 0.6.0-1~getdeb2
Ubuntu 15.10: 0.8.1-1~getdeb1
Ubuntu 15.04: 0.8.1-1~getdeb1
Ubuntu 13.04: 0.7.0-1~getdeb1

Package downloads per version:
Version 0.6.0: 0
Version 0.7.0: 0
Version 0.8.0: 88
Version 0.8.1: 19261
Version 0.8.2: 10187

Install the application manually with the following command:
sudo apt-get update && sudo apt-get install xonotic

Uninstall the application with the following command:
sudo apt-get remove xonotic