See also: Gameplay in the Professor Layton series
The game centers on Professor Hershel Layton, alongside his apprentice, Luke Triton, and his assistant, Emmy Altava, attempting to uncover to discover the truth behind the 'Masked Gentleman', a villain who is seemingly terrorising the city of Monte d'Or with supposed uses of ' dark magic'.
Professor Layton and the Miracle Mask Plus, an enhanced edition featuring new puzzles and added cutscenes, was released on the Nintendo eShop in Japan in February 2013. The game was later released worldwide in October 2012. Miracle Mask was released as a launch title for the Nintendo 3DS in Japan in February 2011, becoming the best-selling game on the day of the system's launch. It is the fifth game in the Professor Layton series, the second in the prequel trilogy of games, and the first in the series to be developed for the Nintendo 3DS. Professor Layton and the Miracle Mask is a puzzle adventure video game developed by Level-5.