FreeOrion is a free, open source, turn-based space empire and galactic conquest (4X) computer game being designed and built by the FreeOrion project. FreeOrion is inspired by the tradition of the Master of Orion games, but is not a clone or remake of that series or any other game.
Download FreeOrion v0.4.5 for Windows or Mac OSX 10.7+
Download FreeOrion Test Builds for Windows, or Mac OSX.
Forums – GitHub Twitter
Introduction – Screenshots – Videos – License
FAQ – Philosophy
Download – Support – System Requirements
Quick Play Guide – Multiplayer
Project Overview and Contributing
How to Help – Compile – Python Development (AI & Content);
Recent Development Activity – Source Code Repository
Space Strategy Games – Media Coverage
- FreeOrion 0.4.5 has been released. Windows and OSX installers are available on SourceForge and on GitHub. Linux users will need to build from source, or acquire from your distribution if available. Source tarballs are available from GitHub (please use the source tarball file with version and build number in the filename, not the links automatically created by GitHub). See the Compile page for more instructions. See this post for release notes. Vezzra 13:18, 8 September 2015 (UTC)
- The problems with SourceForge seem to be gone, so test builds are again being provided there. Vezzra 19:38, 10 August 2015 (UTC)
- Due to ongoing problems with SourceForge, new test builds are currently provided on GitHub. Vezzra 11:40, 28 July 2015 (UTC)
- FreeOrion 0.4.4 has been released. Windows and OSX installers are available on SourceForge. Linux users will need to build from source, or acquire from your distribution if available. Source tarballs are available from the SVN web client for which see the links on the Compile page. See this post for release notes. Geoff the Medio 12:05, 4 September 2014 (EDT)