Batman: Arkham Collection brings you the definitive versions of Rocksteady's Arkham Trilogy games, including all post-launch content, in one complete collection.Batman: Arkham Collection brings you the definitive versions of Rocksteady's Arkham Trilogy games, including all post-launch content, in one complete collection.Batman: Arkham Collection brings you the definitive versions of Rocksteady's Arkham Trilogy games, including all post-launch content, in one complete collection.