Gotham City Impostors is a first-person shooter multiplayer-only video game set in the universe of DC Comics' Batman. Developed by Monolith Productions and published by Warner Bros. Interactive Entertainment. It was released on Xbox 360 via Xbox Live Arcade, PlayStation 3 via the PlayStation Network and Microsoft Windows via Games for Windows – Live in February 2012. The game was re-released on Microsoft Windows as a free-to-play title in August 30, 2012 via Steam using Steamworks.