alien-arena software package provides Standalone 3D first person online deathmatch shooter, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install alien-arena
alien-arena is installed in your system.
Make ensure the alien-arena package were installed using the commands given below,
$ sudo dpkg-query -l | grep alien-arena *
You will get with alien-arena package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Games |
| Package | alien-arena |
| Version | 7.66+dfsg-2 |
| Description | Standalone 3D first person online deathmatch shooter |
| Sub Section | Games |