Luigi's Mansion 4 Could Be the Ghost Hunter's Biggest Adventure
Luigi's Mansion 3 Guide: Gem Locations for Every Floor - IGN
Nintendo talks Luigi growing as a character and doing his own thing, the number of floors in Luigi's Mansion 3, and Next Level Games asking about Luigi's Mansion 4 | The GoNintendo Archives | GoNintendo
Nintendo Announces "Luigi's Mansion 4: Luigi's Apartment" | Shacknews
Multiplayer – Luigi's Mansion™ 3 for the Nintendo Switch™ system