Question: how to find all the boos in luigi's mansion 3?
Answer: Basement Near E. Gadd's Lab. ...  First Floor Lobby in Trash Cans and Lobby Drawers. (Image credit: Nintendo) ...  2nd Floor Dining Room. (Image credit: Nintendo) ...  3rd floor in the telephone at the end of the entryway hall. (Image credit: Nintendo) ...  5th Floor Bedroom. ...  8th Floor Film Set. ...  9th Floor in the main exhibit room. ...  Boiler Room.