Luigi's Mansion: Dark Moon

Luigi's Mansion: Dark Moon (Luigi's Mansion 2) is an action-adventure puzzle game, developed by Next Level Games and published by Nintendo for the Nintendo 3DS. A sequel to the 2001 game, Luigi's Mansion, the game follows Luigi, who is sent by Professor E. Gadd, to explore various haunted mansions and capture ghosts using the Poltergust 5000, a specialized vacuum cleaner.

Professor E. Gadd lives in his laboratory in a region called "Evershade Valley", where he studies the friendly ghosts residing in the area. But when the Dark Moon shatters the ghosts suddenly become hostile and Luigi is called to re-collect the pieces of the Dark Moon, which have been scattered to different mansions.