Batman: Arkham Knight: Harley Quinn Story PackPlay as Harley Quinn. Armed with unique weapons, gadgets, and abilities, take on the role of Joker’s psychotic side-kick and wreak havoc inside the Blüdhaven Police Department. Batman: Arkham KnightIn the explosive finale to the Arkham series, Batman faces the ultimate threat against the city he is sworn to protect. The Scarecrow returns to unite an impressive roster of super villains, including Penguin, Two-Face and Harley Quinn, to destroy The Dark Knight forever. Batman: Arkham Knight introduces Rocksteady's uniquely designed version of the Batmobile, which is drivable for the first time in the franchise. The addition of this legendary vehicle, combined with the acclaimed gameplay of the Batman Arkham series, offers gamers the ultimate and complete Batman experience as they tear through the streets and soar across the skyline of the entirety of Gotham City