How long is Batman: Arkham Asylum?

Batman: Arkham Asylum: 7 Best Things About The Game (& 3 That

How long is Batman: Arkham Trilogy?

Batman: Arkham Asylum Game of the Year Edition Xbox 360 1000150449 - Best Buy

How long is Batman: Arkham Knight - A Matter of Family?

Batman: Arkham City' is bigger, bolder, better

Middle Hotel - Batman Arkham Origins Guide - IGN

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Arkham Asylum: I absolutely adore the fact that your suit gets more dirty and torn as the game progresses! It adds to the immersion! : r/BatmanArkham

Batman: Arkham Asylum Game of the Year, PC - Steam

Objective complete - Batman: Arkham Asylum