The Joker's Party - Batman: Arkham Asylum Guide - IGN

The Joker now invites you to his "party" at the Penitentiary. This is the final battle, so feel free to explore for Riddles now -- or you can do so

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The Joker's Party - Batman: Arkham Asylum Guide - IGN

The Joker's Party - Batman: Arkham Asylum Guide - IGN

The Joker's Party - Batman: Arkham Asylum Guide - IGN

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The Joker's Party - Batman: Arkham Asylum Guide - IGN

Batman: Arkham Asylum - IGN

The Joker's Party - Batman: Arkham Asylum Guide - IGN

The Joker's Party - Batman: Arkham Asylum Guide - IGN

The Joker's Party - Batman: Arkham Asylum Guide - IGN