Layton Kyouju to Kiseki no Kamen (レイトン教授と奇跡の仮面) is a puzzle-solving adventure game developed by Level-5 and published by Nintendo for the Nintendo 3DS. The game is the fifth installment in the Professor Layton series and follows the adventures of Professor Hershel Layton and his apprentice Luke Triton as they investigate the mystery behind a mysterious mask. Players must solve puzzles to progress through the story and uncover the secrets behind the mask. The game features over 150 puzzles, all of which are unique and range from simple logic puzzles to complex brain teasers. The game also features a variety of mini-games, including an arcade-style game and a rhythm game. Players can also collect special items, such as coins and music boxes, which can be used to unlock bonus content. With its engaging story, colorful visuals, and challenging puzzles, Layton Kyouju to Kiseki no Kamen is sure to keep players entertained for hours.