A completely free, open-source version available on Freeciv.org that runs on Windows, Mac, Linux, and even in web browsers.

A lightweight, open-source reimagining of Civilization V mechanics, available on GitHub and mobile stores. AI responses may include mistakes. Learn more

If you aren't ready to buy, there are high-quality open-source projects inspired by the series:

Play as legendary leaders like Gandhi, Cleopatra, or Abraham Lincoln.

Win through military conquest, scientific advancement, cultural dominance, or religious conversion.

You can legally download various entries in the series from these major digital storefronts:

Steam is the most popular platform, hosting everything from Civilization III to Civilization VI .