Xonotic

Multiplayer, deathmatch oriented first person shooter.

Xonotic | Flathub OR Install Xonotic on Linux | Snap Store.

sudo dnf install xonotic -y
sudo apt-get install xonotic -y
flatpak install flathub org.xonotic.Xonotic -y

GZDoom: Classic first-person-shooter engine for all classical Id games.