0 A.D.

Diplomacy, Packing Siege engines, formation order queueing, Slaughter Attack, unit training hotkeys, new match setup options, improved water rendering, a post-processing manager, and rubble.

This release includes the Roman faction debut, new combat and trade systems, new random maps and animations, AI improvements, and more.

This version debuts the mighty Persian Empire, support for both saving games and reconnecting to multiplayer games, a bartering system, improved AI, and more.

This release added a dynamic territory game mechanic, the Carthaginian civilisation, a new main menu design, new and revamped music tracks featuring live percussion and flute, and over 100 new sound effects, dozens of them audible in-game.

Unit stances were implemented. The delay in carrying out unit instructions was eliminated. Units are less likely to get stuck. 250 new terrain textures, 43 new sound effects, and 6 new or modified maps were added. New Greek units were added: Houses, siege tower, Thracian Mercenary. Art was released for all of the remaining Champion units. A brand new P-51 Mustang demonstrates flight by flying around the map and attacking targets on the ground and in the air.