Unknown Horizons is a 2D real-time 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.



The best City Building Game alternative to Anno is Unknown Horizons, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Anno and 12 are City Building Games so hopefully you can find a suitable replacement. Other interesting City Building Game alternatives to Anno are CaesarIA, Banished, openage and Tropico.
Unknown Horizons is a 2D real-time 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.



CaesarIA is an open source remake of Caesar III game released by Impressions Games in 1998, it aims to expand the possibilities of the classical city-building simulators and to add new features showing the city life. Now the game work with Windows, Linux, Mac, Haiku and Android.




In this city-building strategy game, you control a group of exiled travelers who decide to restart their lives in a new land. They have only the clothes on their backs and a cart filled with supplies from their homeland.




Free (as in freedom) open-source RTS Age of Empires engine. Written from scratch in C++, Python, Cython, Qt/QML, OpenGL/GLSL, Vulkan, ...


Tropico is a series of construction and management simulation computer games developed by PopTop Software and published by Gathering of Developers in April 2001. Feral Interactive has developed and published a number of the games.






As a provincial governor charged with spreading the glory of Rome your mission is clear – build cities, foster trade and industry, make money. How you accomplish this is up to you. Gain wealth and power, make a career out of pleasing the emperor, battle barbarians and repel...



Stonehearth is a game of exploration and survival in an epic fantasy setting. Build your town, care for your hearthlings, and defend against marauding invaders.



Europa 1400: The Guild (also titled Europa 1400 or The Guild) is a simulation game set in Europe from the year 1400 up to 1815. In it, the player tries to guide a family dynasty to power and wealth, starting from one character of limited means.




Colonize an Alien World
The epic story of humanity's first colonization and settlement of a new world outside the solar system.




The Settlers is a video game series. The first game in the series is The Settlers (1993). There are eight games in the series, including remakes. All the games were developed by the German studio Blue Byte, and were published by either Blue Byte or Ubisoft, the company that...




Patron builds upon the foundations laid out by the staples of the survival city builder genre and enhances the experience with a large research tree and by introducing intricate social dynamics into the game and the genre in general.



Tentlan is a free strategy real-time online game played in the times of the pre-Columbian Americas. Starting off with a small settlement in the rainforest, you will gather power and influence till you end up developing a great maya empire.




Many interesting production chains