Bowser's Castle (course)
From the Super Mario Wiki
Bowser's Castle (also called Bowser Castle in some games) is a common race course found in the Mario Kart series. The course features usually hazards such as lava pits, Thwomps, fireballs and sharp turns. Due to these hazards, it is one of the most difficult course in each game, similar to Rainbow Road. In Mario Kart: Super Circuit and its succeeding games, Bowser's Castle is the penultimate course of the Special Cup. However, in Super Mario Kart and Mario Kart: Super Circuit, there were multiple new versions of this track, similar to the Mario Circuit courses in Super Mario Kart.
Bowser's Castle has appeared as multiple iterations throughout the Mario Kart series. In Super Mario Kart, three Bowser Castle courses appeared in the Mushroom, Flower and Star cups. The stages had the same appearance and features such as lava pits and Thwomps. The later Bowser Castles have more obstacles and turns than the first Bowser Castles.
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