Undertale Stories

1.2K Stories

Reborn as Error by Kiwi_Seal
#1
Reborn as Errorby Kiwi_Seal
Cover image made by me. Someone meets their end too soon and meets someone who gives them another chance to live a more fulfilling life. One that they would enjoy despit...
UnderHappened by FatalityWanes
#2
UnderHappenedby FatalityWanes
The Undertale Genocide Route is happening, but a new card has joined the deck: Finn, a quiet kid with a love for stuffed animals who falls into the Underground soon afte...
Save Me (Sans x Bitty Reader) by AshleyEevee
#3
Save Me (Sans x Bitty Reader)by QueenEevee
Since there's not enough x bitty reader stories out there. You are a stray bitty who ran away from your last abusive owner. Rankings on (8/3/2022) # 2 xreaderout of 19...
reborn as killer sans but different by nap_TimeSensei
#4
reborn as killer sans but differentby 🌸💖🌸
like something really really different. a young adult boy got killed by got pushed of s building but he seems didn't remember anything, but he woke up in a copy au of k...
Never Go Back (Au sanses/Papyrus' x reader) by BrightLadyStarlight
#5
Never Go Back (Au sanses/Papyrus'...by BrightLadyStarlight
You are a doctor in the emergency department living in the city of Mount Ebott. You live with two magical skeleton who defy any type of logic and have a sleeping schedul...
A Trio of Misfits | Bittybones story by Sabinarius
#6
A Trio of Misfits | Bittybones sto...by Sabinarius
Bitty! US pap x reader x Bitty! US sans Our two little bitties have been through a lot, so what happens when they meet a human that's hurting just as much as they are...
Can I Stay? (Underswap!Sans × Reader) by Fruityyloopz
#7
Can I Stay? (Underswap!Sans × Read...by Justmonika
[Prolong] My name is (Y/N). I have experienced many resets, so many I have lost count. The only people who remember are Sans, Flowey, and me. The monsters down here are...
Reborn as fellswap san and now I'm kinda blind!? by KarmaAkabane425
#8
Reborn as fellswap san and now I'm...by Karma Akabane
What if..someone from our world was reborn as fellswap sans? But an accident when he was young leads to becoming blind for a long time and papyrus feels guilty about not...
Friends Meeting Enemies by AngelGold238
#9
Friends Meeting Enemiesby Angel Gold
What if there was a multiverse where Error and Ink were friends? What if the voices were the creators? What if they went to the Fgod multiverse because the voices were b...
Tsundere Much? (Afterdeath) by ThisWeirdReader
#10
Tsundere Much? (Afterdeath)by Kyle Broflovski
After the Christmas party, Geno thought he'd never get to see Death anymore. Boy was he wrong! After a couple of chilling moments and heartfelt scenes, something happens...
Naturetale : reborn as lavender  by KarmaAkabane425
#11
Naturetale : reborn as lavender by Karma Akabane
(As far as I know, no one has made a story about naturetale like this so..and the only reason why I writing one like this is because of fatal error part 5? Or part 4, go...
Reborn as Sans from a different au by LianneMeiRebaya
#12
Reborn as Sans from a different auby Lianne Mei Rebaya
I woke up and saw everything around me is plain white.. I don't remember how I got here but I know who I am, suddenly a thing called a system plans to help me live by my...
Remade as a Sans/☝︎♋︎❍︎♏︎❒︎ by Truenote
#13
Remade as a Sans/☝︎♋︎❍︎♏︎❒︎by Truenote
Matt was a regular person who was a big fan of Undertale and its fangames. One day, he dies because of a person accidently knocking him off a mountain while he was hikin...
"I know. . .  Im alone." (Error x who ever the heck I want.) by ican_english
#14
"I know. . . Im alone." (Error x...by Frick.
Error gets a small break due to Ink not creating for a day or too. but on the other hand, Ink has noticed something. he noticed that when he stopped creating, Error woul...
Completed
You and Your Bitty Pals by Blueprint15778
#15
You and Your Bitty Palsby Blueprint15778
It has been 5 years since monster broke free from the barrier, since then monsters, and humans live together in peace. But for some reason monsters have some how go a mi...
Fallen Hero by FanGirl653
#16
Fallen Heroby FanGirl653
Long ago, two races ruled over the Earth: Humans and Monsters. One day war broke out between the two races. After a long battle, the humans were victorious. They sealed...
Reborn as a Echo Flower? by DancingAce1
#17
Reborn as a Echo Flower?by DancingAce1
Where am I!?And why the heck am I suddenly a blue talking echo Flower?
Reincarnated as nightmare sans from Dreamtale by nelliesheerin
#18
Reincarnated as nightmare sans fro...by Karina Sheerin
A women who loves children dies and is face to face with the decision to reincarnate as nightmare sans if she allows herself to be Karmas chosen child. 'Fgod error belon...
Six Skeletons and The Waitress by ItsSwapPapyrus
#19
Six Skeletons and The Waitressby Teutonic
A picture perfect family hides the fact that your life is filled with manipulation and abuse. When you move away after high school, you encounter more than one skeleton...
reincarnated as undertale papyrus by Lazy_Gowrl
#20
reincarnated as undertale papyrusby lazy girl
(COVER ART NOT MADE BY ME, IT IS CREATED BY UndertaleFan92 IN PINTEREST) Inspired by @KarmaAkabane425 they got some good stories, 10/10 Recommended. What happened whe...