query: When was the first Age of Empires video game released?
passage: 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.
passage: Age of Empires
On August 25, 2014, Age of Empires: Castle Siege was announced. It is a touch-based game developed by Smoking Gun Interactive. It was released on September 17, 2014 for the Windows PC and Windows Phone 8.[71][72]