Luigi's Mansion (GCN)
From the Super Mario Wiki
Luigi's Mansion is a battle course that takes place in the place of the same name. It first appears in Mario Kart: Double Dash!! as a battle course unlocked by obtaining a gold trophy in the 150cc Mushroom Cup, consisting of a three-floored winding maze. The second floor is a wide room that resembles the Ball Room where all the racers start their battle. The first floor is a corridor where it is possible to place some traps down, especially near the Item Boxes scattered in the hall. The third floor is actually the roof terrace, where, unlike the other zones, there are no Item Boxes. The center of the terrace is a gap where the racers fall directly to the second floor. All the floors are connected together by bended corridors, three leading to the first floor and one to the terrace. Some of the specters' portraits from the game Luigi's Mansion appear within the stage. The music is the same as that of Bowser's Castle. In Shine Thief, the standard battle music is used.
Mario Kart 8 Deluxe
Luigi's Mansion returns in Mario Kart 8 Deluxe as a retro battle course, where it receives a revamped look. The second floor is now covered by a glass roof, as there is rain on the terrace. The access corridor to the terrace is now mirrored, and is located on the opposite wall from where it was originally. Similar to what happened with N64 Block Fort and GCN Pipe Plaza in Mario Kart DS, it receives a different music piece, which is a rearrangement of the Luigi's Mansion theme from Mario Kart DS. Unlike the original, it is available from the start. The course map now closely resembles Luigi's Poltergust 5000, paying homage to the series.
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