DC COMICS: DC Nation (Gotham City Impostors)

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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, the downloadable game is played from the perspective of two teams each trying to kill the other: one with people dressed like Batman and the other with people dressed like his archenemy, The Joker