0 A.D. (pronounced "zero ey-dee") is a real-time strategy (RTS) game
of ancient warfare. It is a historically-based war/economy game that
allows players to relive or rewrite the history of Western
civilizations, focusing on the years between 500 B.C. and 500 A.D.
The project contains 3D graphics, detailed artwork, sound, and a
flexible game engine.