0 A.D. (pronounced "zero ey-dee") is a free, open-source, cross-platform real-time strategy game of ancient warfare.
This is currently an incomplete, under-development version of the game. We're always interested in getting more people involved, to help bring the game towards completion and to share the interesting experience of developing a project of this scope.
There are several ways to contact us and find more information:
Web site: http://play0ad.com/
Forums: http://www.wildfiregames.com/forum/
Trac (development info, bug tracker): http://trac.wildfiregames.com/
IRC: #0ad on irc.quakenet.org
Open the "binaries\system" folder.
To launch the game: Run pyrogenesis.exe
To launch the map editor: Run Atlas.bat or "pyrogenesis.exe -editor"
The instructions for compiling the game on Windows, Linux and OS X are at http://trac.wildfiregames.com/wiki/BuildInstructions
Bugs should be reported on Trac. For information on reporting problems and finding logs, see http://trac.wildfiregames.com/wiki/ReportingErrors