or more generally, any game which tends to feature no singular core piece of gameplay, but instead a variety of similar, typically smaller minigames that riff on the larger idea.
other examples include: Frog Fractions, Inscryption, Rhythm Heaven, and . Notably, games which merely feature lots of characters or settings do NOT count by default (this means, for instance, that Super Smash Bros doesn't count as a multiverse game despite being a game about many characters from different universes telling a single story because the gameplay is still ultimately just "platformer fighting game" rather than many different forms of gameplay).