Luigi's Mansion is an action-adventure video game series developed and published by Nintendo. The franchise follows Luigi as he navigates haunted mansions, capturing ghosts using a specialized vacuum cleaner called the Poltergust. The series debuted as a launch title for the GameCube in 2001 and is known for its unique blend of spooky atmosphere and humorous elements, showcasing Luigi stepping out of his brother Mario's shadow as the reluctant hero.