Ninja Usagimaru: The Mysterious Karakuri Castle will launch in North America and Europe on September 29 as a 3DS eShop title, Aksys and FK Digital announced today. The game had been confirmed for an overseas release back during the Anime Expo in July. Ninja Usagimaru: The Mysterious Karakuri Castle is an action-puzzler. You’ll take on the role of Usagimaru, ‘a...