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The BIGGEST New Deltarune Theories are CRAZY - YouTube

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Deltarune fans are spinning wild theories about the game's hidden lore — but which big ideas actually hold up to scrutiny?

Death of the AuthorHermeneuticsParticipatory CultureNarrative Theory

Theory Briefing

  • Deltarune's unfinished chapter releases have left massive story gaps, fueling a wave of fan theories about the game's true nature and ending.
  • The video acknowledges glossing over at least one major theory — the 'original world' concept — hinting at how deep the rabbit hole goes.
  • The format is openly borrowed from Arlo's Nintendo predictions videos, framing fan theorizing as a communal, iterative game in itself.
  • Competing interpretations of Deltarune's lore show how ambiguous storytelling invites audiences to become active co-authors of meaning.