Left alone as the only survivor after Galeem decimated their whole universe and his friends devoured by Galeem's light, Kirby is determined to go and save them from Galeem's clutches. As fate would have it though, thirteen stars were summoned beyond the rift of space and time and brought into this remaining world for reasons unknown. The journey to defeat Galeem has begun.

In the Dark Ages of England, there is a hidden order of Summoners who could summon monsters from another realm known as the 'Shadow Realm'. Yugi, Ryou, Joey, Malik, Tea and Serenity were sealed away within the Millennium Puzzle by Solomon in order to save them from a man known as Pegasus. When they are freed from the puzzle, only chaos, love and Shadow Games awaits them.