About

0 A.D. is a free, open-source, cross-platform real-time strategy (RTS) game of ancient warfare, developed in the United States. This historically-based war/economy game allows players to relive or rewrite the history of Western civilizations, focusing on the years between 500 B.C. and 500 A.D. Its product portfolio includes single-player, multiplayer, city building, and player vs player modes, supporting custom maps, and is available across Mac, Windows, Linux, Snapcraft, and Flathub. As a community-driven, open-source project, it operates without a traditional revenue model, corporate leadership, or a fixed employee count, with its founding history rooted in ongoing development, currently in an alpha stage. Despite this, it holds a strong market position as a highly-regarded alternative to competitors like Age of Empires, frequently praised for its awesome 3D graphics, fast loading times, and deeper gameplay. Unique details include its detailed historical setting, diverse civilizations with unique visual styles, challenging AI, and straightforward multiplayer setup, though some users have noted performance issues when many units are present.