0 A.D. (video game)

0 A.D.
Developer(s)Wildfire Games
Initial releaseApril 1, 2010 (2010-04-01)
Preview release
0.27.0  / 30 January 2025 (30 January 2025)
Repositorygitea.wildfiregames.com/0ad/0ad
Written inC++, JavaScript
EnginePyrogenesis
Operating systemFreeBSD, Linux, macOS, Microsoft Windows, OpenBSD
Size1.25 GB (Download), 3.31 GB (Installed)
TypeReal-time strategy
License
Websiteplay0ad.com

0 A.D. is a free and open-source real-time strategy video game under development by Wildfire Games. It is a historical war and economy game focusing on the years between 500 BC and 1 BC, with the years between 1 AD and 500 AD planned to be developed in the future. The game is cross-platform, playable on Windows, macOS, Linux, FreeBSD, and OpenBSD. It is composed entirely of free software and free media, using the GNU GPLv2 (or later) license for the game engine source code, and the CC BY-SA license for the game art and music.