Alex Kidd in the Enchanted Castle, called Alex Kidd: Tenkuu Majou (アレックスキッド 天空魔城) in Japan and Alex Kidd: Cheongong Maseong in Korea, is a platform game which is part of the Alex Kidd series. It is the only Alex Kidd title to be released on the Sega Mega Drive, with every other Alex Kidd game appearing on the Sega Master System.