Doctor Lautrec to Boukyaku no Kishidan (ドクター・ロートレックと忘却の城) is a Nintendo 3DS game developed by Konami and released in Japan in 2012. The game follows the story of Doctor Lautrec, a professor of archaeology, and his assistant, Sophie, as they investigate the mysteries of the ancient castle of Obscurity. Players must explore the castle and its many hidden areas, solve puzzles, and battle monsters in order to uncover the secrets of the castle and the mysterious artifacts it holds. Along the way, they will encounter a variety of characters, from the strange inhabitants of the castle to the powerful guardians who protect its secrets. The game also features a variety of mini-games, such as platforming, fishing, and card battles. With its unique blend of puzzles, exploration, and action, Doctor Lautrec to Boukyaku no Kishidan is sure to provide an enjoyable experience for fans of the genre.