The release dates for this year's XBLA Summer of Arcade line-up has been revealed - Playdead's award-winning Limbo will be available to purchase starting July 21st, 2010. It will be priced at 1200 Microsoft Points ($15) at launch.

We've embedded IGN's preview of Limbo above, which provides more information about the game while showing a handful of locations that we've not seen in any other videos before.