Source: Rocksteady Studios Rocksteady Studios has recently announced that, as promised last year, they will be adding the Earth 2 Dark Knight Skin to the critically acclaimed Batman: Arkham Knight making it available for download on the PlayStation Store.Īccording to the developer, the skin will become available next week - on Tuesday the 28th of January, to be precise - and it will only be made available for players who own the PlayStation 4 version of Batman: Arkham Knight.