https://wccftech.com/batman-arkham-collection-free-epic-metro/

Epic Games has announced that the Batman Arkham Collection is now available for PC players for free on the Epic Game Store.

To celebrate 80 years of Batman, Epic Games has made Batman: Arkham Asylum, Arkham City and Arkham Knight available for free until September 26. In addition to these three amazing Batman titles, the Lego Batman Trilogy is available for free. The Lego Batman Trilogy includes Lego Batman: The Videogame, Lego Batman 2: DC Super Heroes and Lego Batman 3: Beyond Gotham.