Age of Empires Online is a multiplayer online real-time strategy game developed by Robot Entertainment and Gas Powered Games, which released on August 16, 2011. Based upon the gameplay of the Age of Empires series, it was originally developed by Robot Entertainment, but on February 24, 2011, Gas Powered Games, took over production. The game was published by Microsoft. The game was free-to-play—it was free for users to play, though premium content could be earned or purchased, such as access to special items and blueprints, and more quests and features. On March 27, 2012, the game premiered on Steam after a major overhaul patch which addressed complaints of an "MMO-like grind" and many other features, along with the debut of the Celtic civilization. On June 15, 2012 the premium content system was changed to offer the option to purchase all past and future content through "Empire points" earned in game, or by purchasing the points directly with real world money. As of January 3, 2013,... Read more