2019 · Real Time Strategy (RTS) · Simulator · Linux · PC (Microsoft Windows) · Mac
Unknown Horizons is a city-building game and real-time strategy game, inspired by the Anno series. It is released under the GNU General Public License (GPLv2) and is therefore free and open source software. Much of the artwork is open content under e.g. CC BY-SA Creative Commons licenses. The game is still under active development; milestone snapshots are released occasionally.