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World Castle (called Castle World on Miiverse) is the seventh world of Super Mario 3D World. It is a large lava filled world, taking place in Bowser's Castle, above every preceding world, but below World Bowser, with ? Blocks and Coins scattered throughout the map. It contains seven standard courses, three Enemy Battles, a Toad House, a Captain Toad's Adventures course, a Castle, and a Sprixie House. After completing Bowser's Lava Lake Keep, however, Bowser kidnaps the Sprixie Princesses, including the red one that was just rescued, and uses their power to create a sparkling Clear Pipe to World Bowser.