Released in February 2012,
Gotham City Impostors is a Batman-themed first-person shooter game allowing players to customize their own character based off of Batman or Joker. The game offers a wide-array of customization and maps based off of objects and locations in Gotham City.
Unfortunately Warner Bros. has only announced so far that it is free
On PC Only, however players who download it on Steam will receive all downloadable content free of charge.
Gotham City Impostors is an original download-only first-person shooter where up to 12 players battle for control of an unhinged Gotham City overrun by Impostors inspired by the DC Comics characters Batman and The Joker. Gotham City Impostors is an online multiplayer game unlike any other, giving players the opportunity to engage in unconventional urban warfare as they personalize their own Impostors. Gamers will create their very own version of the Bats or the Jokerz characters using unprecedented customization options including insane costumes, homemade gadgets and a wide range of traditional and inventive weapons. The game will feature maps and modes inspired by DC Comics’ Batman license.