Kingdom Hearts: The Worlds of Magic

Kingdom Hearts: The Koopaling Princess to The Rescue is Sarah West's other Kingdom Hearts crossover, it would be published by Nintendo, Disney, and Square-Enix. and it would be published for the Nintendo Switch.

story and summary
a 16-year-old girl name Emiko (she is called Melissa in the english version) notices that she is the key blade wielder of the koopalings, Ludwig Von Koopa and Bowser Jr. are voted to come along with the key blade wielder to go on a long adventure while Emiko (Melissa), Ludwig, and Bowser Jr. encounters the Mario, Disney, Final Fantasy, and The World Ends With You characters in different worlds. Pete & Maleficent are not happy about what Emiko (Melissa) pick out for her accompanied friends.

worlds or levels that Emiko (Melissa), Ludwig, and Bowser Jr. will go through

 * Tutorial
 * Melissa's Home
 * Mushroom Kingdom (Super Mario Bros.)
 * Wonderland/Alice's World (Alice in Wonderland)
 * Mousedom/1897 London (The Great Mouse Detective)
 * Land of Darkness (The Black Cauldron)
 * Mugwomp Flats/Crocodile Falls (The Rescuers Down Under)
 * Radiant Garden (Kingdom Hearts II)
 * Agrabah (Aladdin)
 * Halloweentown (The Nightmare Before Christmas)
 * The Big Top (Dumbo)
 * Andalasia/New York (Enchanted)
 * End of the World (Kingdom Hearts/final level)