What's with the goofy grin? Did you dip into the jar of Smilex, or are you just giddy that playing as the Joker in Batman: Arkham Asylum won't cost you a dime?

Eidos has confirmed that the PS3-exclusive DLC will be free, allowing players to frolic about in the game's challenge maps as the Clown Prince of Crime when Batman: Arkham Asylum swoops onto store shelves this August.

This article was originally published on Joystiq.

EA, Crytek announce Crysis 2 for Xbox 360, PS3, PC