Age of Empires
Age of Empires is a series of historical real-time strategy video games, originally developed by Ensemble Studios and published by Microsoft Studios. The first title of the series was "Age of Empires", released in 1997. Seven titles and three spin-offs have been released.
Empire Earth
Empire Earth is a real-time strategy video game developed by Stainless Steel Studios and released on November 23, 2001. It is the first game in the "Empire Earth" series.