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1.2K Stories

  • The Past of Underswap Sans by BloodGumm
    BloodGumm
    • WpView
      Reads 2,444
    • WpPart
      Parts 16
    The tale of how Sans became who he is known as: From a human girl with a Nuetral Soul to a skeleton. But most importantly a big brother. Picture by: BonesTheSkelebunny01
  • The Boney Hero (Sans x BNHA crossover)  by DontAskImN0body
    DontAskImN0body
    • WpView
      Reads 155,042
    • WpPart
      Parts 52
    At a genocide run Sans unexpectedly wins against ¿Chara? and something strange occurred, the timeline was thrown into chaos. As a result of this chaos, Sans unknowingly was brought to the world of My Hero Academia where lies a world full of quirks. Now we will find out what journey is to unfold with Sans now in this world. Welp this is my first story... so yea..... im pretty sure I'll make a ton crap of mistakes basically typos everywhere.. sooooo just bare with me okay? I'm also always running on boredom and laziness while writing this. Also this is fucking cringe... Welp um..feel free to drop your ideas I'll definitely consider them... ¯\_(ツ)_/¯ Also this story is definitely not original and inspired by a lot of different other stories that came before it {!Completed} .
  • Lost And Found~ MafiaTale Fanfic by BanthaBug
    BanthaBug
    • WpView
      Reads 160,119
    • WpPart
      Parts 20
    In the business of human trafficking, mercy isn't a well known word. You and your crate mate, a child named Frisk, are obidiently waiting to be released to a 'master' when havoc breaks out around you. Guns are fired and you're doing your best to protect Frisk when your crate is pried open by unfamiliar faces. How will you fair with your first 'friendly' experience?
  • Handplates - Pills - by TheyCallMeGrim
    TheyCallMeGrim
    • WpView
      Reads 21,454
    • WpPart
      Parts 20
    Two white pills sit in front of Sans. They're white, whiter than his chapped bones, and they're round and smooth. Where did they come from? Certainly, he never saw the Doc making them, and they haven't been out on his desk... So, by all logic, they must have come from outside. Sans smirks - these pills have already seen more of the world than he has.
  • Dear Wormwood | Dreamtale Comic  by Sock_Police
    Sock_Police
    • WpView
      Reads 638
    • WpPart
      Parts 2
    The Prince of darkness got rid of terrible nightmare that he had for many years. Long-forgotten feelings returned to him and he realized his purpose in life.
  • Given An Unwanted Second Chance by UndertaleFanatic981
    UndertaleFanatic981
    • WpView
      Reads 55,213
    • WpPart
      Parts 56
    (TW: unaliving thoughts and memories at the beginning. It gets better over time, don't worry! Trauma is difficult to overcome...) You didn't want a second chance. You didn't want to survive. You wanted the sweet release of death. But it seemed like the universe was far too cruel to allow you even that. It took away your memories, your free will to choose whether you live or die...hell, it took the one thing in life you owned! Your own name! And now it seemed like you had to live yet another cruel life, doing things you never wanted done to others. But...at least you could do things your way. Maybe this second chance wouldn't be so bad... (Reincarnated as Nightmare Sans, but unlike other stories, you have no clue what Undertale even is) (WE REACHED NUMBER 1 IN THE UNDERTALE TAG YOOOOOOOO) (9/13/25)
  • SwapDust Light Novel by LazyRandomContent
    LazyRandomContent
    • WpView
      Reads 45
    • WpPart
      Parts 2
    SwapDust is a light novel by LazyRandomContent and JJ.Curly, set in a broken UnderSwap where unfinished swaps and missing information have left the Underground in chaos. Monsters don't revive, the Ruins are more dangerous, and Papyrus must uncover the truth behind the disaster.
  • Desert Sanctuary Guidebook by KarmaSpidr
    KarmaSpidr
    • WpView
      Reads 16,641
    • WpPart
      Parts 29
    Clover doesn't give up his soul because justice still needs to be delivered. The Wild East, and later practically the entire Dunes, declares independence. They declare that any human within their borders is under their protection. Civil War looms over the Underground. Would you like to see what happens? Note: This is NOT a story. This is an archive containing information about my AU, Desert Sanctuary. I might write a proper story in the future, but for now, this is where you can read about the narrative, the characters and how this massive change affects Frisk's journey. Fanart and other fan works based on Desert Sanctuary are welcome and encouraged
  • Mystery by SpiritWolfNura
    SpiritWolfNura
    • WpView
      Reads 4,519
    • WpPart
      Parts 35
    Nobody knows who the Riverperson is... nobody but a single Skeleton erased from space and time. So when he's pulled out of the Void, what secrets will be told? What is the mystery behind the Riverperson and the Skeleton family?
  • Sole Survivor (A Percy Jackson x Undertale Fanfiction) by Turtlleee
    Turtlleee
    • WpView
      Reads 40,667
    • WpPart
      Parts 18
    Sans had finally killed the human. He doesn't know why, but they just stopped coming back. He took their soul and, using the other 6 human souls, broke the barrier. Along his way to find a place to stay, he comes across Camp Half-Blood, and there he meets an old friend/enemy who's willing to take him in. His appearance, though, had caused a whole new threat to emerge. One that could mean the demise of Camp Half-Blood and possibly the gods themselves.
  • Undertale; Despair AU 《REWRITE》 by LocalUndertaleAddict
    LocalUndertaleAddict
    • WpView
      Reads 1,914
    • WpPart
      Parts 45
    What if there was an anomaly in the Underground? No, not Frisk. Not Chara either. Someone else entirely. How could a few measly children stand to this supposedly immortal foe and save the Underground from destruction? Is it even possible to do so? Only one way to tell... ~o0o~ Disclaimers before you start! •There is NO fanon ships. That means no Soriel, Papyton, etc. The only ships are Torgore (in the past) and Alphyne. •This is NOT an x reader. I dislike those types of stories. The reader will have no part in this, and they will not be shipped with anyone. •This exists outside of canon to an extreme. For example, Frisk is the second human and not the eighth. •There will be OCs, but only for a few humans and they still technically exist in normal Undertale. •There is a sequel. I'm planning on rewriting it after this one, as it is much more random and definitely needs it. Clanky, plot holes/retconning, etc. It's more of an OC thing, to explore them and their issues, than an Undertale thing, but it has its similarities. •There will be some explicitives. It won't be unnecessary or excessive, only when it fits the situation and character. I will not be using any slurs, as that's just plain disrespectful, even if some of them apply to me. Credits: Undertale, obviously, created by Toby Fox and Temmie Chang. "The Time Before" by ANinnyMouse42 is the backstory for Sans in this AU with some adjustments (mainly since that was very close to my original idea before I read it and I don't want people to think I copied their masterpiece or smth, if you haven't read it please do so, it's really good). Some things will be in reference to the other books in the trilogy or "From War to Science" by Emotistic-optimistic. If you haven't, read that too. It's really good (along with its sequel). The cover was made by me! Have a good day! (Also, the title is a placeholder, if anyone has any ideas that make more sense, please let me know.)
  • Idea Factory by Firehedgehog
    Firehedgehog
    • WpView
      Reads 99,634
    • WpPart
      Parts 95
    Undertale ideas, some crossovers. may write them, but also up for adoption. please message me if you want to adopt one as I'd like to read it myself <3
  • Back to 9 by Neka_314
    Neka_314
    • WpView
      Reads 434
    • WpPart
      Parts 11
    Ink and Error have suddenly appeared in Undertale. Not a problem, right? Well, it wouldn't be if they could portal back. And, somehow, they're now 9 years old. ...what will they do? -- K, so this is my first story. I hope you like it! -- Ink Sans by Comyet Error Sans by CrayonQueen Undertale by Toby Fox
  • Descent: transmigrated into Undertale by DuAMA77
    DuAMA77
    • WpView
      Reads 3,092
    • WpPart
      Parts 17
    I died. But I soon found out that I'd been transported to a post-pacifist Undertale timeline. Now as Zen, a goat-like monster. I'll do my best to ensure this world lives on! .... ..... ............. ................. Wrong, something is truly wrong. Terrorist keep attacking. There's something up with Frisk. The most renowned human prophet has gone mad, saying that the world is doomed. The Dreemurs have adopted a new human child named Kris and some of my memories have been erased by a completely unknown being. I needed time to think, so I went for a walk. But then I saw it, a melting black shadow eerily smiling at me only to disappear right after. Seriously, what the f*ck? *Check out my YouTube: https://www.youtube.com/@aDiCaprio6
  • Horrortale: Hunger Behind a Broken Skull by Moonlight_Malaysia
    Moonlight_Malaysia
    • WpView
      Reads 187
    • WpPart
      Parts 6
    A person awakens inside Horrortale!Sans's body with no way back. Trapped in a starving monster's world, they must fight Sans's madness, protect a human child, and decide whether to save the Underground... or become its worst nightmare. ♥️ Update once a week. ♥️ Choice-driven story (+ voting time)
  • Druggies - Y/N X DUST (unfinished) by Gabiobi2
    Gabiobi2
    • WpView
      Reads 49
    • WpPart
      Parts 8
    After you moved away with your dad to a small town in California, you couldnt help but feel lonely and miserable. You started to rebel and isolate yourself from everybody. Your grades got worse and by the time you turned 15, you already started smoking. Your best friend Cody helped you get the stuff but once you turned 18 and got caught doing drugs by your dad, he sent you to a cathlic rehab along with your bsf. THIS IS MY FIRST FIC LEAVE ME ALONE.
  • erm. what the sigma (An Underswap Papyrus fanfic) by IndiaMcHenry4
    IndiaMcHenry4
    • WpView
      Reads 4
    • WpPart
      Parts 2
    This fanfiction is SUPPOSED to be written FOR FUN. Most of my fanfictions are usually me putting my writing skills up to the test. However, this one is a bit... Different. No explain.
  • One-Shot Collection or Anthology by Makanaka7hello
    Makanaka7hello
    • WpView
      Reads 19
    • WpPart
      Parts 3
    A collection of short stories/snapshots all usually set within the same non-canonical timeline
  • Cuts And Bruises. by Hallucinio
    Hallucinio
    • WpView
      Reads 18
    • WpPart
      Parts 2
    you wake up, reincarnated as a horrortale/x-tale variant. you were so sure you were supposed to be dead! so..why weren't you?
  • A New Beginning  by TheoreoChildUwU
    TheoreoChildUwU
    • WpView
      Reads 58,177
    • WpPart
      Parts 2
    Just an FGOD story. I'm bad at summarizes. Also the FGOD concept isn't mine, including any pictures, and belongs to someone else.