Install unknown-horizons by entering the following commands in the terminal:
sudo apt update sudo apt install unknown-horizons
Description:
2D realtime strategy simulation
Unknown Horizons is a 2D realtime strategy simulation with an emphasis on economy and city building. Expand your small settlement to a strong and wealthy colony, collect taxes and supply your inhabitants with valuable goods. Increase your power with a well balanced economy and with strategic trade and diplomacy.
Homepage: http://www.unknown-horizons.org
Version: 2017.2-1
Section: universe/games