Batman: Playable Joker exclusive to PS3

Available as free download via PSN

Joker will be a playable character exclusively in the PS3 version of Batman: Arkham Asylum, Eidos has revealed.

The makeup-wearing mentalist will be made available as a free download via PSN at launch, and will be playable in a series of Challenge maps, details the publisher.

This video is no longer available

No further details were revealed, and we were given a "no comment" when we asked if the 360 would get an exclusive treat of it's own.

The game's out in June so you've not long to wait.