Luigi's Mansion: Dark Moon is a 2013 action-adventure video game developed by Next Level Games and published by Nintendo for the Nintendo 3DS. It is the sequel to the 2001 Nintendo GameCube game Luigi's Mansion, and the third Mario franchise game where Luigi plays the lead role instead of the usual protagonist, Mario. The story follows Luigi as he explores a series of mansions in Evershade Valley, capturing ghosts using a specialized vacuum cleaner invented by Professor E. Gadd. In order to restore peace to Evershade Valley, Luigi must collect the pieces of the Dark Moon and recapture the main antagonist, King Boo.

Luigi's Mansion is a 2001 action-adventure game developed and published by Nintendo. The game was a launch title for the GameCube and was the first game in the Mario franchise to be released for the console; it was released in Japan on September 14, 2001, in North America on November 18, 2001, in Europe on May 3, 2002, and in Australia on May 17, 2002. It is the third video game in which Luigi is the main character instead of Mario, after Mario Is Missing! and Luigi's Hammer Toss. Players control him as he explores a haunted mansion, searches for Mario and deals with ghosts by capturing them through a vacuum cleaner supplied by Professor E. Gadd.