Outertale Stories

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380 Stories

  • The Gaster Gang and the Child Reader by Hoikop
    Hoikop
    • WpView
      Reads 11,408
    • WpPart
      Parts 16
    (Note you are a girl.. Since Fell might kill y-) You are a child about seven years old. Your life seemed pretty normal before the fall. (This will be mostly based on second point of view. ) (All characters belong to Bunnymuse and Maestro belongs to Phaunicer.)
  • What...is happening (Female Underverse x Male Earth Reader) by Sonic3399
    Sonic3399
    • WpView
      Reads 1,146
    • WpPart
      Parts 2
    Y/n is a big fan of Undertale and its AUs. One day, he found himself in a blank void with a strange girl who looked familiar. He wanted to talk with her but was instead dragged into an adventure that could impact his whole life.
  • Sans/Papyrus's x male reader One-shots  by Feralghoul117
    Feralghoul117
    • WpView
      Reads 103
    • WpPart
      Parts 15
    A sprawling collection of Sans x Male Reader and Papyrus x Male Reader one-shots, each exploring different universes, scenarios, and emotions. From lighthearted dates filled with laughter and teasing, to dark, intense encounters in twisted timelines, these stories dive deep into the bonds between you and the beloved skeleton brothers. Whether it's classic Undertale, an AU like Underfell or Swapfell, or even modern-day alternate worlds, each chapter brings a fresh take - romance, angst, action, or even a bit of smut, depending on where the story leads. No two stories are alike, but they all share one thing: you at the heart of it all, finding love and connection with Sans, Papyrus, or even both in unexpected ways. Perfect for fans of slow burns, wild adventures, and multiverse chaos, this anthology will make you laugh, cry, and maybe even blush. 💀✨ Your story. Your choices. Your skeletons.
  • The Lilac Soul: Book 1 by LexiKamado901
    LexiKamado901
    • WpView
      Reads 1,128
    • WpPart
      Parts 6
    Leiko Kamade never meant to become a legend. He doesn't speak-but his soul does. When Leiko falls into the Underground, he expects pain, fear...maybe even death. What he doesn't expect is to fall again-and again-through worlds that should not exist. Silent behind a bamboo muzzle and guided only by mercy, Leiko carries a rare Lilac Soul, a soul of guardianship and quiet strength. He refuses to fight, even in universes where kill or be killed is law. From the familiar warmth of Undertale, to the brutal fury of Underfell, to the role-swapped chaos of Underswap, Leiko walks a path no one else dares to take-one paved with forgiveness, resilience, and love. As monsters hardened by fear begin to change, and powerful beings take notice of his impossible soul, Leiko discovers a truth far more dangerous than any battle: Mercy can reshape worlds. But the multiverse is watching. And not every universe wants to be saved. Lilac Soul is a story of quiet defiance, found family, and a boy who proves that strength does not come from killing-but from choosing kindness, even when it hurts.
  • ~Outerflight oneshots~ by ClosetsBruh
    ClosetsBruh
    • WpView
      Reads 638
    • WpPart
      Parts 10
    This is an OuterFlight oneshot book (outer!sans x bird!sans) that me and a friend will be working on together. I'm not sure if I will be writing any smut in here. But basically how it works my friend will tell me what to write. (Cover art IS NOT MINE.)
  • A.L.P.H.A Clan  by yourfavinconvenience
    yourfavinconvenience
    • WpView
      Reads 24,456
    • WpPart
      Parts 22
    SEQUEL TO SPIRIT ANIMALS After the skeletons ignore a plea for help, the leaders of the A.L.P.H.A Clan kidnap them and take them as prisoners. They are forced to train to protect all the Au's in a weird, twisted way. The Skeletons must learn to work together, work with the enemy, and use their Spirit Animals to escape. If ur cringey and u know it clap ur hands. ClAp ClAp If u suck at writing but u do it anyways clap ur hands. cLaP cLaP If u suffer from fan girl syndrome that has no cure if u ship anyone and everything clap ur hands. cLAP CLAP This is gonna be an incredibly cringey sequel to Spirit Animals (another cringey sanscest story). I just needed to do something with all of my ships. Be prepared for CRINGE OVERLOAD, slow updates, bad plots, bad grammar and other stuff. Enjoy?
  • Souls,Bones, and Love (Various AU's X reader) by Undertale131
    Undertale131
    • WpView
      Reads 436
    • WpPart
      Parts 3
    You've heard about Frisk Dreemurr, Ambassador of Monsters, savoir of the Underground, but what you don't know is that he has a twin sister. Y/N Dreemurr, she's Frisk's twin, though she never traveled to the Underground with him the Dreemurr family accepted Frisk's twin with open arms. That was 10 years ago, now at the age of 21 Y/N runs her own little flower shop bookstore hybrid business. Sans Serif, a brilliant skeleton monster who hides behind a smile and laziness. Older brother to the Great Papyrus. He and his brother are also the Soulmates of Frisk's twin sister Y/N. He messes around with something he should've left alone and brings more versions of him and his brother, along with another version of the late human child of the Dreemurr family. Turns out that they're also Y/N's Soulmates. Chaos and hilarity ensues as they fight for the girl's heart and love.
  • Falling Stars| Killer x Outer/Outer x Killer by LaliaShy
    LaliaShy
    • WpView
      Reads 3,547
    • WpPart
      Parts 9
    The creator no longer responded to the protector's calls, those colourful hues stopped dripping from the doodle-sphere. Without those hues, he couldn't feel anything. Unfortunately, the multiverse has become corrupted and has re-coded the AU's into constant reoccurring genocide routes that had left engraved scars on the monsters of those universes. With the Star Sanses' new disrupted coding, it's up to the (previously known) Bad Sanses to fix and save the multiverse. Killer, however had found his lost happiness with another skeleton from an endangered AU. A different type of happiness... But can Outer be saved from the destruction of his universe before it's too late? ❋*˚┉┉┉┉┉༝✧WARNING✧༝┉┉┉┉┉˚*❋ •Strong Language • Dark reoccuring themes ❋*˚┉┉┉┉┉༝✧Credits✧༝┉┉┉┉┉˚*❋ •Undertale- Toby Fox •Outertale- 2mi127/Mimi Pippinski •Killertale- Rahafwabas •Cover Art- LailaAngel ❋*˚┉┉┉┉┉✧┉┉┉┉┉˚*❋ •Started- June 9th 2021 •Finished- N/A •20 Chapters
  • ASK AND DARE SANS AND PAPYRUS by Sans_Is_LifeX3
    Sans_Is_LifeX3
    • WpView
      Reads 1,297
    • WpPart
      Parts 7
    Hey kiddos. Sans here. AND PAPYRUS!! DON'T FORGET ME BROTHER! Of course I won't Papy. Anyway, welcome to the official Ask and Dare of me and Papy. I FINALLY FEEL NOTICED!! SURE I WANTED TO BE NOTICED IN THE ROYAL GUARD, BUT THIS IS MUCH BETTER!! Me: I'll be leading this train wreck. AS THE AUTHOR!! *Papy's eye sockets widen* Kid, you might wanna run. HUMAN!!!!!!!!! *chases da author* Me: CRAP!!! *runs away* Soooooo, yeah.... Hope you guys enjoy this and I'll... go get Papy and Dev. I guess. See ya. (I do not own undertale, but I am a huge fan.)
  • My random art book by ubooooooooooo
    ubooooooooooo
    • WpView
      Reads 481
    • WpPart
      Parts 19
    Random art that I do in spare time other than writing and reading. I do this for fun.
  • The Flight For Our Lives (A Sanscest Story) by ItsFlaff
    ItsFlaff
    • WpView
      Reads 70
    • WpPart
      Parts 6
    Hallux had no idea their routine visit to Waterfall would lead to the loss of his trusting sister. He doesn't even know where he is or what he can do to find the only one who matters to him. Hallux wonders solemnly about his chances of escaping this white void. Keel wishes she listened to Hallux when he said NOT to play with the glowing waterfalls and echo flowers. Now she has to find her way around the suspended islan- no wait they're shifting to papers, and now they're buckets? Keel wants nothing more than to be in the arms of her brother again, having him tell her that everything will be fine. Maybe a certain skeleton could do something? ______ Half Warning: The storyline is essentially a 'monster of the week' format and I plan on it being that way. Why? You'll see. :) -Also- There will be many ships in this, such is the nature of an undertale multiverse story. And all of is sanscest. All of it. Ships included: Errorink Scifell Dustberry Horrorlust [Mentioned] Afterdeath Crossmare Outerkiller ARTWORK IS NOT MINE! IT BELONGS TO NIGHTMARGIN AND I DO NOT TAKE CREDIT FOR IT!
  • ML! C-Puff, Meta-kaz, Amortem-kun, Zeragii AU x Possess! Mortal! VR! DJ! Reader by Awalker106
    Awalker106
    • WpView
      Reads 330
    • WpPart
      Parts 4
    So on deviantart I follow these artists. Amortem-kun, Zeragii, Meta-kaz, C-Puff, Maxlad, Perfectshadow06, Flotts and Bunnymuse. I love there art, you should check them out, they are seriously amazing.
  • Undertale | Skelepun Book of Skeleton Puns by rottenentity
    rottenentity
    • WpView
      Reads 57,182
    • WpPart
      Parts 30
    Gonna be a skeleton of skelepuns and they're gonna be really skelefun and I'm really just skeledone with my life because I'm not humerus and its makes me feel so sad to the point I get bonely because all of my friends left me because I say too many skelepuns and they're super cringe-worthy and that's not good, it always causes a bad time and my friends also left because I'm always coffin and coffin ain't good so yeah that's a bad time too and I just can't even with these skelepuns and I just have a skeleton and its really giving me crippling depression because my skelepuns made my friends go away, leaving me bonely and being bonely isn't fun so I'm always skullking and that's also not good so now I'm not eating because of the crippling depression and so my family says I don't have the stomach for food anymore and I guess they're right I don't really know since I'm a bone-head and marrow-minded but my family tries to bring up my spirits by tickling my funny-bone but it never works. (Please help me I may have a problem) #1 in humerus
  • Bitty ~~Oneshots~~ Sans x reader ON HOLD by Honest956
    Honest956
    • WpView
      Reads 3,227
    • WpPart
      Parts 4
    The tittle says it. Warning I'm bad at this and if there was requests then I would be greatful. Also Slow updates. Thank you Enjoy.
  • Living With Gasters (One-shots) [Gaster Gang x AU!Readers] by rubybadappledream
    rubybadappledream
    • WpView
      Reads 391
    • WpPart
      Parts 1
    One day a young adult human female was coming out work, and had a strange feeling that something wasn't right until she pass one certain building then everything went black as the female felt herself falling into an endless hole until what seem like hours she finally fell through and fell flat on the floor without dying. She ended up meeting four other versions of herself and meeting up five other monsters. Later on she started living with them, that female was you (Full Name).
  • Ask and Dare Sans AU's by D1nonuggets
    D1nonuggets
    • WpView
      Reads 60
    • WpPart
      Parts 2
    Heya! Soooo in this book you can ask Sans AU's questions, or give them dares to do! WARNING: This book contains ships such as: Error x Ink Dust x Blueberry Fell x Classic Nightmare x Killer And more! Enjoy!
  • Mistakes were made by UbaLala9
    UbaLala9
    • WpView
      Reads 97
    • WpPart
      Parts 4
    Classic was messing with his machine. Now several of his and his brothers alternates are stuck together. Also, why are they all now alphas, betas, and omegas? Some mistakes were definitely made
  • OwO fanart book I guess cause I can by TunaNoodleSoup
    TunaNoodleSoup
    • WpView
      Reads 249
    • WpPart
      Parts 9
    Probably contains ship drawing and cringe :D
  •  after hearts (undertale alternate universes x child! young! Little! Reader) by undertalefangirl_300
    undertalefangirl_300
    • WpView
      Reads 781
    • WpPart
      Parts 2
    chara is now a good person now she restarts everything she promised she's not gonna killed any monsters or possessed frisk. And asriel comes back with his family Toriel and asgore. now there's another versions of undertale theres Storyshift, underfell, underswap, candytale, dreamtale, outertale, mafiatale, sciencetale, aftertale, ink, altertale, alterfell, alterswap, altershift, gaster, reapertale, yolo, all the AUS the shield protects the whole underground so underlust, horrortale, yanderetale, swapfell, storyfell, dusttale, dustfell, error, dustswap, or dangerous AUS won't get in.