The "Arkham Series" is a popular video game franchise developed by Rocksteady Studios and published by Warner Bros. Interactive Entertainment. The series features the iconic superhero Batman as he battles various villains from the DC Comics universe in the fictional Gotham City. The first game, "Batman: Arkham Asylum," was released in 2009 and received critical acclaim for its engaging story, immersive gameplay, and innovative combat mechanics. Subsequent titles in the series include "Batman: Arkham City" (2011), "Batman: Arkham Origins" (2013), and "Batman: Arkham Knight" (2015). Each game expands on the narrative and gameplay elements, introducing new characters like The Joker, Harley Quinn, and Scarecrow. The series is praised for its rich storytelling, voice acting, and atmospheric design, making it a significant contribution to the action-adventure genre.