Age of Empires III: The Asian Dynasties is the second official expansion pack for the real-time strategy video game Age of Empires III developed through a collaboration between Ensemble Studios and Big Huge Games, and published by Microsoft Game Studios. The Mac version was ported over, developed and published by Destineer's MacSoft Games. The game is the second expansion pack following The WarChiefs. The game introduces three new civilizations; China, Japan, and India. It also introduced minor people, campaigns, maps, and game modes.