Kirby's Dream Land 2

In Kirby's Dream Land 2 for Game Boy, Kirby returns to find that the bridges connecting Rainbow Islands have disappeared, and King Dedede seems to be the cause. However, it's soon revealed that the villainous Dark Matter is controlling Dedede and intends to transform Dream Land into a dark world. Kirby embarks on a quest to retrieve the Rainbow Sword and defeat Dark Matter, saving Dream Land.