Install freeciv-client-extras by entering the following commands in the terminal:
sudo apt update sudo apt install freeciv-client-extras
Description:
Civilization turn based strategy game (miscellaneous extras)
Freeciv is a free clone of the turn based strategy game Civilization. In this game, each player becomes leader of a civilisation, fighting to obtain the ultimate goal: the extinction of all other civilisations. . This package includes Freeciv's modpack tool freeciv-mp-gtk3. It allows you to select and download custom rulesets and tilesets for the game.
Homepage: http://www.freeciv.org/
Version: 2.5.10-1
Section: universe/games