Batman DLC packs detailed

'Insane Night' and 'Prey in the Darkness' packs coming in next two weeks

Two Batman: Arkham Asylum DLC packs have been named and dated.

'Insane Night' and 'Prey in the Darkness' will arrive on September 17 and September 24 respectively, says the PlayStation Blog. As suspected, these are the pre-order and Collector's Edition challenge maps being made available to the punters who didn't fork out for a special box.

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As has been confirmed, these packs will be arriving on Xbox 360, PC and PS3 versions of Arkham - so no one gets left out.

Treat yourself to our Batman: Arkham Asylum review, if you haven't already.