0 A.D. is a free, open-source, cross-platform real-time strategy (RTS) game of ancient warfare. It's a historically-based war/economy game that allows players to relive or rewrite the history of twelve ancient civilizations, from Iberia to Mauryan India, each depicted at their peak of economic growth and military prowess. Developed using Pyrogenesis, a ground-breaking new game engine custom-built to suit this project, 0 A.D. will give players a rich and entertaining real-time gaming experience.
0 A.D. Alpha 20 Timosthenes, the twentieth Alpha version of 0 A.D., a free, open-source game of ancient warfare. This Alpha features 10 new maps, core functionality for a cinematic in-game camera, the ability to share dropsites with your allies, and more!