“Multiplayer is a certainty, but [there are] no details on this yet.” – PSM3 preview
Not exactly an official confirmation, but when you consider that pretty much every game has a multiplayer mode these days it would not surprise me.
More screens here.
WARNER BROS. INTERACTIVE ENTERTAINMENT ANNOUNCES BATMAN: ARKHAM CITYTM
As the Official Title for the Sequel to the Critically Acclaimed Batman: Arkham AsylumTM
London, United Kingdom – Aug. 5, 2010 – Warner Bros. Interactive Entertainment and DC Entertainment today announced Batman: Arkham CityTM as the title for its follow-up to the award-winning, critically acclaimed hit videogame Batman: Arkham AsylumTM. Batman: Arkham City will be available for the Xbox 360® video game and entertainment system from Microsoft, Games for Windows PC and the PlayStation®3 computer entertainment system in Autumn 2011.
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“With the successful release of Batman: Arkham Asylum, a franchise that is a key focus for Warner Bros., Rocksteady has proven that they have the expertise to create hit games with mass appeal… We are currently working with Rocksteady on the sequel to Batman: Arkham Asylum and look forward to bringing the continuation of the franchise to fans worldwide.” – Martin Tremblay, president of Warner Bros. Interactive Entertainment
“The Rocksteady team is very much looking forward to creating more great games based on widely recognised Warner Bros. brands like Batman.” – Rocksteady Studios games director Sefton Hill
The exact terms of Warner’s acquisition of Rocksteady were not disclosed.