Batman: Arkham Origins is a free-to-play fighting video game developed by NetherRealm Studios and published by Warner Bros. Interactive Entertainment for iOS and Android mobile operating systems. Based on the DC Comics superhero Batman, it is a spin-off to the 2013 video game Batman: Arkham Origins, and is part of the Batman: Arkham series. It was released for iOS on October 16, 2013 and for Android on July 25, 2014. The game feature touch combat mechanics and offers in-app purchases, or micro transactions. The last game update was on April 21, 2014. The game has surpassed 5 million downloads on the Google Play store.