Archive of Our Own ^beta

Works which have used it as a tag:

• Artsy's UnderTale, DeltaRune, & AU Headcanons! by artsycloudysleepy

  Fandoms: Undertale (Video Game)  

  • Teen And Up Audiences
  • No Archive Warnings Apply
  • Multi
  • Work in Progress

  29 Aug 2025

  Tags

  • No Archive Warnings Apply
  • Sans (Undertale)
  • Sans Ensemble (Undertale)
  • Nightmare Gang (Undertale)
  • Killer Sans (Undertale) – Character
  • Dust Sans (Undertale)
  • Dusttale Papyrus (Undertale) - Character
  • Nightmare Sans (Undertale)
  • Dream Sans (Undertale)
  • Ink Sans (Undertale)
  • Swap Sans (Undertale)
  • Blue Sans (Undertale)
  • Passive Nightmare Sans (Undertale)
  • Cross Sans (Undertale)
  • Epic Sans (Undertale)
  • Headcanon
  • Undertale Headcanons
  • Deltarune headcanons
  • for the record i solely refer to kfc as they/them!!!
  • except chara who's they/it here :3
  • as for fallen humans i MAY post headcanons of them here. mayhaps
  • clover from uty definitely
  • but we shall see (for i also have my own hcs about my own interpretation of the yellow soul and others)....... :3
  • Dissociation
  • Manipulation
  • Suicide
  • Self-Harm
  • Self-Hatred
  • dadmare
  • Parental Dreamtale Nightmare Sans (Undertale)
  • YOU CAN RIP DADMARE AWAY FROM MY COLD DEAD HANDS OK
  • Found Family
  • Autistic Xtale Sans | Cross (Undertale)
  • YES THAT'S A TAG NOW IYHHFGHJFH
  • Autistic Dreamtale Sans | Dream (Undertale)
  • explodes
  • and yes
  • Dyspraxia
  • I WILL GO DOWN ENSURING PPL KNOW OF MY DISABILITY OK
  • Schizophrenia
  • Hallucinations
  • Overstimulation
  • Sharing a Body
  • Understimulation
  • Agender Nightmare Sans
  • Trans XTale Sans | Cross (Undertale)
  • Transmasculine XTale Sans | Cross (Undertale)
  • I CALLED IT OKAY I'M GONNA SHOW MY LIL CANONICAL TRANS DUDE OFF
  • Canon Divergence
  • and MUCH of it
  • ok look i'mm gonna run outta tags if i'm not careful but let it be known all of these skeletons are neurodivergent and queer
  • i WILL add deltarune hcs..... at some point

  Summary

  This is not a fic, just a list of headcanons! Expect much autism and queerness to be poured into this lol :3

  Will update when I remember to and at my own leisure!

  (As of writing, there is only UnderTale AU content here - there WILL be base game + DR content too, but please be aware that currently there isn't any!)

  Language:

  English

  Words:

  4,991

  Chapters:

  3/?

  Comments:

  15

  Kudos:

  9

  Bookmarks:

  1

  Hits:

  147