505 Games and developer Artificial Mind & Movement have announced the latest downloadable chapter for Naughty Bear is available now for Xbox LIVE Arcade and PlayStation Network for 400 MS Points or $4.99.

The new pirate-themed Chapter 9 pits the naughtiest bear around in a bid to lay siege to the Island of Perfection with even more mischievous action, including all-new characters, costumes and challenges.

Filled with exclusive hidden treasures, deadly weapons and brutal buccaneers, Chapter 9 serves up four new challenges to swashbuckle while taking up arms against baddie bears and their leader, Admiral Giggles, as well as The Pirates and their leader, The Great Bear Beard.