Install ufoai-misc by entering the following commands in the terminal:
sudo apt update sudo apt install ufoai-misc
Description:
UFO: Alien Invasion -- miscellaneous files and documentation
It is the year 2084. You control a secret organisation charged with defending Earth from a brutal alien enemy. Build up your bases, prepare your team, and dive head-first into the fast and flowing turn-based combat. . This package contains architecture-independent data for the game UFO: Alien Invasion like language files and documentation.
Homepage: http://ufoai.org
Version: 2.5-3
Section: universe/games