Epic Games Store customers on PC can now get six of the best "Batman" games for free, including "Arkham Asylum," "Arkham City," "Arkham Knight," and all three of the "LEGO Batman" games.

like the Injustice series since The Dark Knight plays a central role in the stories and Gotham Knights since the Bat Family is an extension of Batman. Similar to Arkham Underworld, Arkham City ...