0 A.D.
A free, open-source real-time strategy game about ancient civilizations, with single-player, multiplayer, and modding support.
Open source alternative to:
0 A.D. is a free, open-source, cross-platform real-time strategy game of ancient warfare developed by Wildfire Games. Players build settlements, gather resources, research technologies, train armies, and command historical civilizations in single-player and multiplayer matches.
The project includes the Pyrogenesis game engine and the Atlas map editor, and supports community-created modifications. Official builds are available for Windows, Linux, and macOS. The source code and much of the game data are released under GPL version 2 or later, while some artwork and third-party components use separate licenses.
0 A.D. is a free alternative to the Age of Empires series for players who want a historical RTS that can be downloaded, played, and modified without a commercial license or subscription.
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Frequently Asked Questions
Which platforms does 0 A.D. run on?
0 A.D. provides official builds for Windows, Linux, and macOS. The repository README includes build instructions for all three platforms.
Does 0 A.D. support multiplayer?
Yes. 0 A.D. supports multiplayer matches in addition to its single-player game modes. The project website and release materials describe it as a real-time strategy game with multiplayer support.
Can I create mods or maps for 0 A.D.?
Yes. 0 A.D. supports community-created modifications, and the project includes the Atlas map editor for creating and editing scenarios. The repository also documents JavaScript modules for writing mods in some parts of the game.
What license does 0 A.D. use?
The game source and the main game data are released under GPL version 2 or later. Artwork, maps, and third-party components can have separate licenses, so the repository license documentation should be checked when redistributing modified content.