Originally founded as an independent developer in 1995, Ensemble Studios was a Microsoft-owned developer from 2001 to 2009, when it was officially disbanded. Ensemble has developed many games including the Age of Empires game series. In addition to game development, Ensemble Studios also made the Genie Game Engine used in Age of Empires, Age of Empires II: The Age of Kings, and Star Wars: Galactic Battlegrounds.
- Ensemble Studios developed:
- Age of Empires
- Age of Empires II: The Age of Kings
- Age of Empires III
- Age of Mythology
- Expansion packs were also released for all their games including two for Age of Empires III.
- Halo Wars