freeciv-server software package provides Civilization turn based strategy game (server files), 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 freeciv-server
freeciv-server is installed in your system.
Make ensure the freeciv-server package were installed using the commands given below,
$ sudo dpkg-query -l | grep freeciv-server *
You will get with freeciv-server package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Games |
| Package | freeciv-server |
| Version | 2.5.3-1 |
| Description | Civilization turn based strategy game (server files) |
| Sub Section | Games |