Undertale Stories

#2 of 64k tagged with Undertale 7/04/24 After drowning as a human, Ashe reawakens as a DustTale variant of Sans. With his ghost Papy helping keep him from falling into...

Since there's not enough x bitty reader stories out there. You are a stray bitty who ran away from your last abusive owner and run into someone who will change your...

The forced God of destruction, Error, has finally caught up to the Creator. It seems as though the dark skeleton can finally catch a break. Such a naive though to have...

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...

Yeah sorry gained an idea on if someone became swap Gaster Also they may be apathetic or just confused on their feelings and MAYBE Autistic, I may be a bit wrong on ap...

You didn't have a bucket list or anything, but you wished you could've at least read a few more fanfics or done literally anything fun before dying. Oh well, at least yo...

To sum it up, someone is reborn as lamia killer sans! If you want to know more, continue reading!

TW: Swearing and slight gore Y/N reincarnates in the anti-void as a Voice... Will he befriend error or will they make them hate their guts? And will they meet other peop...

I was just a 19 year old, living my mundane life, until I died... and was REINCARNATED!? And not only that, I was reborn in the famous videogame release in 2015 Undertal...

Well to start off, I'm just a teenager and I died in my sleep and was reborn as a skeleton, who is supposed to be error sans mom?...*stares at the cute bundle of cutenes...

Thanks for the votes and comments :] ♡ You, the reader, are the mother to a Sans! Funny idea how this came to be lol- But enjoy! All of these chapters are mostly request...

Fresh is Admin of the Multiverse!? This can't end well ... or can it? This is an alternate universe - er, multiverse - where Fresh is responsible for the monitoring and...

The multiverse had been perfectly balanced when the seven higher beings weaved it together. Through countless interferences, however, the balance has begun to tip, and s...

The multiverse decided, "Ayo, Imma need to make a whole other living thing to handle this Balance shit yo." Though there are restrictions, your boi is out in t...

⪼A life where our beloved [Reader/REDACTED] died a very.. 'Fun' death. ⪼upon realizing their death, they'd realize that they reincarnated into error sans, a character th...

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...

[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...

After commencing the neutral genocide path, "(Y/N) (L/N)" regrets slaying all the monsters and decides to start again, with a new objective in mind: Free all m...

What if the six fallen humans who died before Frisk never died and instead joined Frisk on their journey through the Underground? It all seems good... aside from Frisk...

In this story, a young innocent boy named Lune enters the old Poppy Playtime Factory. Lune despite his innocent nature, begins to piece together what events transpired a...