Luigi's Mansion is a place and is the main setting of the game with the same name. It is owned and won by Luigi in a contest he didn't enter and is also a race track in Mario Kart DS and Mario Kart 7, a battle arena in Double Dash!!, a baseball stadium in Mario Super Sluggers, a tennis court in Mario Power Tennis, and an arena in Super Smash Bros. Brawl. It has Boos and ghosts in Luigi's Mansion and thanks to his arsenal, he defeated them all!
In Super Smash Bros.: Brawl!, the three musical choices for the stage are a remix of the game's theme, and the Tetris A and B themes.