Secrets

Deltarune features many secrets. You may be looking for:

• Egg, a secret Key Item obtainable from the Forgotten Man in the first five Chapters.
• Shadow Crystal bosses, the secret bosses of the first five Chapters.
• Shadow Crystal, a secret item obtained from a Shadow Crystal boss.
• Weird Route, an alternate route starting in Chapter 2.
• Sword Route, an alternate route exclusive to Chapter 3.
• gacharoom_unknown, a Chapter 3 secret room that contains a small blue ball machine.
• Monster Movie, the Mike minigames, and Nagasagy Kikky Park, optional minigames.
• Onion, a hidden Hometown NPC, who becomes inaccessible if not talked to in Chapter 1.
• The allusions to W.D. Gaster.
• Easter eggs, minor hidden aspects of Deltarune.
  • Everyman, a strange entity who appears in the first two Chapters.
  • Annoying Dog, the representation of Toby Fox who appears in the first five Chapters as a running gag.
  • Dead pixel, an intentional dead pixel visible in a boss arena in each Chapter.
• /secret/, a URL revealed during the 2022 Spamton Sweepstakes event.