My favourite intro to any game.ever. (Batman Arkham Asylum) : r/gaming

How long is Batman: Arkham City?

Batman: Arkham Asylum GOTY - Completions

How long is Batman: Return to Arkham?

Batman: Arkham City - IGN

Batman: Arkham City' is bigger, bolder, better

In Batman: Arkham City (2011), you can find Harley Quinn's outfit from Batman: Arkham Asylum (2009) in Joker's Fun House, complete with Warden Sharp's ID tag. : r/GamingDetails

Can You Beat Batman: Arkham Asylum (New Game Minus) with Gadgets Only?

What is the worst thing about each game? : r/BatmanArkham

Can You Beat Batman: Arkham Asylum Without Detective Mode

Riot Shield, Arkham Wiki