Xonotic is arena-style first-person shooter with crisp movement and a wide array of weapons. It combines intuitive mechanics with in-your-face action to elevate your heart rate. The Free and Fast Arena Shooter and will always be free to play. And it is an addictive.
How to Install Xonotic on your Linux
All you need is Snapcraft.
First; if you don’t have snap on your system go this link take a look how to install Snap on your Linux distribution.
If you want to check your Snap version type this code on terminal:
if you have snap on your system follow the steps:
Just open a terminal window and type the following code:
sudo snap install xonotic
And press Enter . After installation is done you have it.