Nickelodeon's Kingdom Hearts

Nickelodeon's Kingdom Hearts is a Japanese-American action role-playing game that is developed by Square-Enix and Nickelodeon. This game includes characters from some of Nickelodeon's most popular shows.

Plot
A teenage boy named Hayate (Brandon in the English version), and his sister, Hana (Kate in English version), must fight evil forces with characters from various Nickelodeon shows to save the worlds and dimensions of Nickelodeon before it's too late.

Worlds/Dimensions

 * Tutorial
 * Brandon's City
 * Bikini Bottom (Spongebob SquarePants)
 * Bubbletucky (Bubble Guppies)
 * Dimmsdale (The Fairly OddParents)
 * Littlebark Grove (Harvey Beaks)
 * Royal Woods, Michigan (The Loud House)
 * Hiddenville (The Thundermans)
 * Swellview (Henry Danger)
 * Bunny Town (Max & Ruby)
 * O-Town (Rocko's Modern Life)
 * Amber Beach (Power Rangers Dino Charge)
 * Mackendrick Prep Academy (Make It Pop)
 * Tokyo (Kappa Mikey)
 * Umi City (Team Umizoomi)
 * Hillwood (Hey Arnold)
 * Retroville (Jimmy Neutron: Boy Genius)
 * Zeenu (Planet Sheen)
 * The Blinking Light Factory (Robot and Monster)
 * Nearburg (CatDog)
 * San Diego (Drake & Josh)
 * Ocean Shores (Rocket Power)
 * The Valley of Peace (Kung Fu Panda: Legends of Awesomeness)
 * FairyTale Land (Regal Academy)
 * Area Fifty-Something (Monsters vs. Aliens)
 * Pacific Coast Academy (Zoey 101)
 * Tremortown (My Life as a Teenage Robot)
 * The Digital World (Digimon Fusion)
 * Central Park Zoo (The Penguins of Madagascar)
 * Amsterdam (Hunter Street)
 * Nod's Limbs (Edgar and Ellen)
 * Sugar Hill (Game Shakers)
 * Seattle (iCarly)
 * Wuzzleburg (Wow! Wow! Wubbzy)
 * Sheltered Shrubs (As Told by Ginger)
 * New Orleans (The Haunted Hathaways)
 * Amity Park/The Ghost Zone (Danny Phantom)
 * Oggy's Town (Oggy and the Cockroaches)
 * The Rainforest (Go Diego Go)
 * Oedeville (Back at the Barnyard)
 * Playa Verde (Dora and Friends)
 * San Francisco (The Mighty B!)
 * Miracle City (El Tigre: The Adventures of Manny Rivera)
 * Petropolis (T.U.F.F. Puppy)
 * Austin, Texas (School of Rock)
 * Adventure Bay (PAW Patrol)
 * Harajuku World (Kuu Kuu Harajuku)
 * Athenia (The Other Kingdom)
 * The Four Nations (Avatar: The Last Airbender)
 * Empire City (Supah Ninjas)
 * Alfea (Winx Club)
 * Monster Machine Race Track (Blaze and the Monster Machines)
 * Land of Charmers (Little Charmers)
 * Sparkton Hills (Rusty Rivets)
 * The Irken Empire (Invader Zim)
 * Muckledunk (Bunsen is a Beast!)
 * Land of the Devils (Final level)

Main

 * Hayate/Brandon
 * Hana/Kate
 * Spongebob
 * Timmy Turner
 * Harvey Beaks
 * Lincoln Loud
 * Danny Phantom
 * Bunsen

Minor

 * Mikey
 * Dade
 * Fee
 * Foo
 * Patrick Star
 * Squidward
 * Mr. Krabs
 * Sandy Cheeks
 * Chloe Carmichael

Antagonists

 * Amanda Killman
 * Plankton
 * Michelle Beaks
 * Randl
 * King Neptune