Age of Empires III is a 2005 computer game made by the company Ensemble Studios. It is published by Microsoft. It is the third game of the Age of Empires games, and has better graphics than the ones before it. It is a real-time strategy game. The plot is from 1500 to 1860. An expansion pack, "Age of Empires III: The WarChiefs", was released for the game on October 17, 2006. The second expansion, "Age of Empires III: The Asian Dynasties", was released on October 23, 2007. "Age of Empires III: Definitive Edition was announced on August 21, 2017, and it is still in development.