Dead Space is a survival horror third-person shooter video game, developed by EA Redwood Shores (now known as Visceral Games) for Microsoft Windows, PlayStation 3, iOS, Blackberry Playbook and Xbox 360. The game was made available on Steam on October 20, 2008. The game puts the player in control of engineer Isaac Clarke, who battles "Necromorphs", monsters created from corpses and an alien virus, aboard an interstellar mining ship, the USG Ishimura. The game was met with positive critical reception, and has sold over 2 million copies. A sequel, Dead Space 2, was released on January 25, 2011.