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Batman: Arkham Asylum, in Killer Croc's tunnels. | Arkham asylum, Batman arkham asylum, Batman arkham
The secret room in Arkham Asylum showing plans for...
In Batman: Arkham Asylum, blowing up a wall in the Warden's Office reveals a secret room that shows blueprints for "Gotham City" - hinting at the game's sequel, Arkham City. : r/GamingDetails
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Secret Arkham Asylum room shows Arkham City map, concept art | VG247
Arkham Asylum (Batman: Arkham Asylum) – Dominatore di Poteri