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 * The Hockey sport in Mario Sports Mix is presented as ice hockey. However, on every court except Mario Stadium, the characters play roller hockey instead.
 * In Mario Kart: Double Dash, on the box art for the European, American, and Australian releases, the "L" on Luigi's cap is backwards.
 * Paper Mario is the only RPG until Paper Mario: Sticker Star to have Bowser as the main antagonist.
 * Luigi's Mansion is the only Luigi-themed race course in the Mario Kart series that is not a "Circuit" type course.