Professor Layton and the Miracle Mask

Here's an excerpt from Professor Layton and the Miracle Mask's Nintendo Store description:

Solve a mystery when archaeologist and puzzle-solver Professor Layton returns in an all-new adventure, in 3D for the first time! Players can delve deeper into the professor’s past than ever before when Professor Layton and the Miracle Mask is released exclusively for Nintendo 3DS and Nintendo 3DS XL.

The fifth game in the series features 150 brand new brainteasers and a new set of three minigames courtesy of the Professor’s Trunk.

The intrepid trio of Layton, Luke and Emmy is called upon to stop the mysterious Masked Gentleman from terrorising the city of Monte d’Or with magically dark miracles. The professor suspects the involvement of the Mask of Chaos, a mask rumoured to bestow great power upon whoever wears it. The revelation takes Layton back to a dark episode of his past, which may hold the solution to the problems of the present…