Luigi's Mansion 3 is a video game developed by Next Level Games and published by Nintendo for the Nintendo Switch. Released in October 2019, it follows Luigi as he explores a haunted hotel to rescue his friends, including Mario and Princess Peach, who have been captured by King Boo. Players control Luigi as he uses a vacuum-like device called the Poltergust G-00 to capture ghosts and solve puzzles. The game features various themed floors, each with unique challenges and enemies. It also includes multiplayer modes, allowing players to team up or compete in ghost-catching activities.