- Home: https://unknown-horizons.org/, https://sourceforge.net/projects/unknownhorizons/
- Media: https://en.wikipedia.org/wiki/Unknown_Horizons
- Inspiration: "Anno (series)"
- State: beta
- Download: https://unknown-horizons.org/downloads/
- Platform: Windows, Linux
- Keyword: strategy, 2D, clone, real-time, turn-based
- Code repository: https://github.com/unknown-horizons/unknown-horizons.git (@created 2010, @stars 1246, @forks 227), https://github.com/unknown-horizons/godot-port.git @add (@created 2019, @stars 332, @forks 45)
- Code language: Python, GDScript
- Code license: GPL-2.0
- Code dependency: FIFE, Pillow, Godot
- Developer: Aaron Franke, Aleksi Kinnunen, Allan Nordhøy, Andre R., Andriy Bandura, Andrzej Bylicki, Antagonym, Armcoon, Arti, avalon3515, Bernhard M. Wiedemann, bringerer, chobkwon, Chris Oelmueller, Christoph Egger, cmocanu, Daniel André Eikeland, David Ulrich, desophos, DSAureli, Elizabeth Sherrock, Emil Hemdal, Fabian Streitel, Ghislain LEVEQUE, GreyGhost, icyvapor, Ivan, J.M. de Jong, Jakub Janek, Jana Weigel, jdigreze, Joan Josep, JOKer, Jorge Maldonado Ventura, Karar Al-Remahy, kennedyshead, Koji, Kornelijus Tvarijanavičius, Krzysztof Nowak, KT, LafarM, LostDaemon, Luis Martinez, Luiz Fernando Ranghetti, Lukáš Krejza, Mantas Kriaučiūnas, Manuel Mausz, Marius Schiffer, Markus Hackspacher, Mayeul Cantan, Mesutcan Kurt, Michael Alexsander, Michal Čihař, Mihai Bivol, milotype, Moritz Beller, Niektory, Nightraven, Nihathrael, nxxs, OlhaQue, Omaranwa, Ott Tinn, PacLow, Pavel, Pedro Henrique, Per Hermansson, Polshakov Dmitry, ptrsk, Ramon, Raphael Isemann, Reiner Gerecke, Robert Mitwicki, Rubén Viguera Marañón, rudis, Rui, Sandra, schtritoff, Sebastian Rasmussen, Siddharth Kothari, Silvério Santos, Slobodan Simić, Szabolcs Tóth, Thomas Kinnen, Thomas Kowaliczek-Schmer, Tobias Schröfel, totycro, totycro uhyi, Translators, ttoocs, Tuomas Lähteenmäki, UnknownScribe, Viktoria S., Vivek, Volkan Gezer, "Weblate (bot)", Zappaman
With an emphasis on economy and city building. Used the FIFE engine. Now Godot port.
- Build system: setup.py