For a limited time, all games in the Batman Arkham series are available on PC in a bundle for $9.99. The deal is currently live on Bundle Stars and includes the games Batman: Arkham Asylum Game of the Year Edition, Batman: Arkham City Game of the Year Edition, Batman: Arkham Origins, Batman: Arkham Origins DLC Season Pass, Batman: Arkham Origins Black Mask Challenge DLC pack, and the Batman: Arkham Origins: Online Supply Drop DLC pack.