Obwohl es in einem Trailer eine Szene von Batman und Joker im Kooperations-Modus gab, wurde von Sefton Hill, Game Director bei Rocksteady Studios bestätigt: "Batman Arkham City" wird keinen Multiplayer Modus haben.
In einem Interview gab Sefton folgende Statements ab:
"There have been a number of rumors circulating about a multiplayer mode in Batman: Arkham City so let me start by saying, once and for all, that Batman: Arkham City is a 'single-player only' experience."
"Our thought process behind this was fairly simple: when we investigated adding multiplayer we asked, 'If we use all of the energy that is required to create multiplayer and instead focus this on the single player, would that deliver a better overall game?'"
Er zeigte sich der Entscheidung gegenüber durchaus wohlgesonnen und zufrieden.
"So it might not be the fashionable choice, it might not get us an extra tick on the box, but we are convinced, and we hope that gamers will agree when they get to play the finished game, that we have made the right decision."