Robot Entertainment is an American video game development and publishing company created by the founders of the defunct Ensemble Studios, after being shut down by Microsoft. Other members of the company founded another studio, Bonfire Studios. Robot Entertainment was responsible for maintaining and updating Halo Wars until February 28, 2010, when Microsoft Studios assumed control of the game servers and updates. Also, in January 2011, Microsoft Studios took over updates and servers for Age of Empires III. Robot Entertainment have since released games including Orcs Must Die!, Orcs Must Die! 2, Hero Academy, Echo Prime, Orcs Must Die! Unchained, Hero Academy 2 and ReadySet Heroes.