The Adventure Mode: World of Light is casually called World of Light. It is an adventure mode found in Super Smash Bros. Ultimate. The story is about a god-like being named "Galeem" who has gone rouge. It unleashes inescapable beams of light and death, horiffically murdering all the fighters reagrdless of their power, agility, or defense. Kirby warps on his warp star to saftey. Galeem then kills the whole galaxy to the point where there's NOTHING LEFT. Once Kirby crash lands, he sets out to save all who fell victim to the unholy god. Not realizing that there's also a darker counterpart of Galeem.
- Molten Fortress: a sub-area that has spirits that are affiliated with fire or lava. Molten Fortress is based off the final level or Bowser's Castle from the Mario franchise. There are two captured fighters, Peach and Bowser. Hence the locations where Peach and Bowser are found, it references Peach's usual damsel-in-distress role.
- There are Puppet Fighters of Kirby, although he has not been caught by Galeem. Later, Masahiro Sakurai has explained that Galeem analyzed Kirby without capturing him.