Worlds United: The Seven Seas

Nintendo x Kingdom Hearts: Subspace Kingdom  is a Japanese-American action role-playing video game that is published by Nintendo, Disney Interactive Studios, and Square-Enix and released for the Nintendo Switch and Nintendo 3DS in both the United States of America and Japan. there will be 2 versions, JessicaFin23's version and Sarah West's version

Plot (both versions)
When Subspace Holes start to appear, two heroes go forth to destroy them and save the worlds of Nintendo, Disney, Final Fantasy and The World Ends With You.

Gameplay (both versions)
Zach and Megan are playable in all of the worlds

Worlds/Dimensions (both versions)

 * Tutorial
 * Atlantic City, New Jersey (Zach's home)
 * Los Angeles, California (Megan's home)
 * Mushroom Kingdom
 * Hyrule
 * Brinstar
 * Dreamland
 * Corneria
 * Pokemon Stadium
 * Mute City
 * Onett
 * Distant Planet
 * Tortimer Island
 * Inkopolis
 * Gaur Plains
 * Boxing Ring
 * Arena Ferox
 * Skyworld
 * Baker Street
 * Devil's Bayou
 * Crocodile Falls
 * Arendelle
 * Olympus Coliseum
 * San Fransokyo
 * New York City
 * The Big Top
 * Prydain
 * Alice's World/Wonderland
 * Zootopia
 * The Fox's Woodland
 * Beast's Castle
 * Neverland
 * Darkness of The Seven Seas (final level)

Main

 * Itsuki Yamada/Zach Lewis - A laid-back, listless, and carefree boy who may have a few fears, but with Megan by his side, he is able to overcome them.
 * Nozomi Inoue/Megan Walker

Minor

 * Joshama Yamada/John Lewis - Zach's father
 * Miyuki Inoue/Patty Walker - Megan's mother

Nintendo Characters

 * Mario
 * Luigi
 * Princess Peach
 * Princess Daisy
 * Princess Rosalina
 * Yoshi
 * Bowser
 * Bowser Jr.
 * Larry
 * Morton
 * Wendy
 * Iggy
 * Roy
 * Lemmy
 * Ludwig
 * Wario
 * Waluigi
 * Donkey Kong
 * Diddy Kong
 * Link
 * Zelda
 * Samus
 * Kirby
 * Fox
 * Falco
 * Pikachu
 * Jigglypuff
 * Charizard
 * Mewtwo
 * Lucario
 * Greninja
 * Captain Falcon
 * Ness
 * Lucas
 * Olimar
 * Alph
 * Villager
 * Isabelle
 * The Inklings
 * Shulk
 * Little Mac
 * Marth
 * Ike
 * Robin
 * Lucina
 * Corrin
 * Pit
 * Palutena

Disney Characters

 * Mickey Mouse
 * Donald Duck
 * Goofy
 * Minnie Mouse
 * Daisy Duck
 * Pluto
 * Basil The Great Mouse Detective
 * Dr. Dawson
 * Olivia
 * Toby
 * Hiram Flaversham
 * Bernard
 * Bianca
 * Penny
 * Cody
 * Jake
 * Marahute
 * Hercules
 * Megara
 * Phil
 * Pegasus
 * Dumbo
 * Timothy
 * Mrs. Jumbo
 * Taran
 * Princess Eilonwy
 * Gurgi
 * Alice
 * Alice's Sister
 * The White Rabbit
 * Cheshire Cat
 * Mad Hatter
 * March Hare
 * Tod
 * Copper
 * Bolt
 * Rhino
 * Penny
 * Hiro Hamada
 * Baymax
 * Beast
 * Belle
 * Lumiere
 * Mrs. Potts
 * Chip
 * Cogsworth
 * Wardrobe
 * Peter Pan
 * Wendy
 * John
 * Michael
 * Tinkerbell
 * Elsa
 * Anna
 * Kristoff
 * Olaf
 * Judy Hopps
 * Nick Wilde

Kingdom Hearts Characters

 * Sora
 * Riku
 * Kairi
 * Aqua
 * Terra
 * Ventus
 * Axel
 * Xion
 * Roxas

Square-Enix Characters

 * Cloud
 * Aerith
 * Leon
 * Yuffie
 * Tidus
 * Selphie
 * Wakka
 * Cid
 * Tifa
 * Zack
 * Fuu
 * Yuna
 * Rikku
 * Paine
 * Seifer
 * Rai
 * Vivi
 * Auron
 * Lightning
 * Serah Farron
 * Neku
 * Shiki
 * Beat
 * Joshua
 * Rhyme

songs confirmed for Nintendo X Kingdom Hearts: Subspace Kingdom
there are 5 songs in JessicaFin23's version and 5 songs in Sarah West's version

Soundtrack (JessicaFin23's version) (yellow disc)

 * Wish I Was featuring Cameron Walker's Cutting Ties (opening theme)
 * Martin Hall's Go Undercover (instrumental) (Zach's theme)
 * Cacti's Our Skies (instrumental) (Megan's theme)
 * Nitro Fun featuring Danyka Nadeau's Safe and Sound (1st ending theme)
 * Pharrell Williams' Happy (2nd ending theme)

Soundtrack (Sarah West's version) (blue disc)

 * Barry Manilow's Somewhere Down The Road (1981) (opening theme)
 * Elton John's Kiss The Bride (1983) (Zach's theme)
 * Sheena Easton's 9 to 5 (Morning Train) (1981) (Megan's theme)
 * Olivia Newton-John's The Promise (The Dolphin Song) (1981) (1st ending theme)
 * Diana Ross's If We hold on Together (1988) (2nd ending theme)