Mario and Sonic X Kingdom Hearts

Mario and Sonic X Kingdom Hearts: Universal/Walter Lantz is an Japanese-American RPG role-playing video game to be published by Nintendo, Sega, Universal Studios, Illumination Entertainment, Amblin Entertainment, Peter Jackson, Walter Lantz Productions, and Square-Enix, and it would exclusively be published for the Nintendo Switch. it is a huge collaboration of Super Mario Bros., Sonic The Hedgehog, Universal Studios, Walter Lantz Productions, Final Fantasy, and The World Ends With You

Summary
Mario, Luigi, Bowser, Bowser Junior, Princess Peach, Princess Daisy, Princess Rosalina, Yoshi, Birdo, Toad, Toadette, Wario, Waluigi, Larry, Morton, Wendy, Iggy, Roy, Lemmy, Ludwig, Sonic, Tails, Knuckles, Amy Rose, Cream The Rabbit, Big The Cat, Rouge The Bat, Shadow The Hedgehog, Silver The Hedgehog, Blaze The Cat, Vector The Crocodile, Espio The Chameleon, Sally Acorn, Charmy Bee, Princess Elise, Maria Robotnik, and Merlina teams up with a 16-year-old boy name Hayate (Tommy in the english version), and Hayate (Tommy)'s friends, Woody Woodpecker and Andy Panda to save the worlds of Universal Studios and Walter Lantz from Dark Bowser, Wart, Mephiles the Dark, Metal Sonic, Dr. Eggman, Buzz Buzzard, & Souta (Ralphie in the english version and he is Tommy's enemy).

Worlds

 * Mushroom Kingdom (Super Mario Bros.)
 * Green Hill Zone (Sonic The Hedgehog)
 * Tutorial
 * Tommy's City
 * Skull Island (King Kong)
 * Earthworm Galaxy (Earthworm Jim cartoon series)
 * Green River (An American Tail: Fievel Goes West)
 * Great Pyramid of Giza (Despicable Me 1)
 * Truffula Forest (The Lorax)
 * Max's Pound (The Secret Life of Pets)
 * Bloomsberry (Curious George)
 * Hill Valley (Back To The Future Series)
 * Great Valley (The Land Before Time Series)
 * Despereaux's Home (The Tale of Despereaux)
 * World of Muses (Xanadu)
 * Easter Island (H.O.P)
 * LazyTown (Scrub Me Mamma With a Boogie Beat)
 * 1925 Nome (Balto)
 * Transylvania (Dracula)
 * Home of Woody (Pantry Panic, 1941 animated short from Woody Woodpecker)
 * CIA (Bourne Series)
 * Jurassic Park (Jurassic Park series)
 * Los Angeles (The Fast and The Furious series)
 * Amity Island (Jaws series)
 * The Eccentric Circus (We're Back: a Dinosaur's Story)
 * Outer Space (Apollo 13)
 * Egypt Desert (The Mummy)
 * The Talbot Mansion (Final crossover level/The Wolfman)
 * Land of Dark Ghosts (final level)