Undertale Stories

1.5K Stories

Reborn As A Dust Sans [Undertale Multiverse] by DeadEnDead
Reborn As A Dust Sans [Undertale M...by DeadEnDead
#1 of 61.7k tagged with Undertale 12/06/24 After drowning as a human, Ashe reawakens as a DustTale variant of Sans. With his ghost Papy helping keep him from falling int...
Severed Souls by XtrasArchive
Severed Soulsby Xtrastuff
In a completely different story from Undertale, a universe far different from the original, a young boy deals with the spikes of crime happening in his world due to the...
dont leave me (young overpower reader x female chara) by Luciferuf
dont leave me (young overpower rea...by
y/n, a young boy, is friend with char, a little girl bullied for her red eyes. one day she dissapear and y/n fell in depression. when she reappear death y/n try to get o...
UnderTale:GearShift by ComicallySansational
UnderTale:GearShiftby Comically Sansational
The story of Mecha, a skilled repairman living in the Underground, where monsters were banished and locked beneath the surface. He spends his days fixing broken machine...
undertaker empty by bloodbumble
undertaker emptyby bloodbumble
an Undertale au that I made because I was bored at school :P this is also on tumblr but the posts are have a word limit and make me post 16 different things to tell the...
Undertale: Soul From The Past by Mist_Card
Undertale: Soul From The Pastby Muichiro Muichiro
It's a fanmade story. It's about undertale, how Pacifist route made the Genocide route not happen at all. In this story Frisk will get to the past to save some souls fro...
Mystery by SpiritWolfNura
Mysteryby Kyran Wolfe
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 t...
Deltarune: Crossed Hearts (A Deltarune Reader Insert) by Zion-The-Storyteller
Deltarune: Crossed Hearts (A Delta...by Zion's Adventerous Life
Can you hear me? Are we connected? Good. Now we shall see what this experiment leads to. Load in the secondary data. But sir, there's no telling what that will do. We'll...
𝙲𝚊𝚝𝚠𝚘𝚕𝚏𝚃𝚊𝚕𝚎: 𝙰𝚗 𝚄𝚗𝚍𝚎𝚛𝚝𝚊𝚕𝚎 𝙰𝚄 by Alpha_The_Catwolf
𝙲𝚊𝚝𝚠𝚘𝚕𝚏𝚃𝚊𝚕𝚎: 𝙰𝚗 𝚄𝚗�...by Alpha_Flameheart
This story is about Catwolf!Frisk's adventure in the Underground. You will read about Catwolf!Frisk's POV as you read this. Will they spare or fight? Read to find out...
School year by GunchWatt2345
School yearby GunchWatt2345
Art is not my Note: Hi this is my first story and I didnt use eng for my main language so if I spell wrong I so sorry oh and if you read my another story that I write...
Altered consequences by jeik231413
Altered consequencesby Мехаил Андрейович
This is a fan continuation of the fanfic by ligmaballz69 titled "Everyone Hates Sunny," where after chapter 14, Sunny injects himself in the eye with the Extra...
DUSTTRUST HYSTERIA by XxSilverShroudxX
DUSTTRUST HYSTERIAby XxSilverShroudxX
After countless runs, of many run differentiations, from Sans and Papyrus.... Genocide after Genocide...... Nothing seems to change, although these two hold little to no...
UNDERPOPPY ★ by PIERIEL
UNDERPOPPY ★by PIERIEL
An original Undertale AU, Following frisk, whom after every reset, A stalagmite will grow in size, through the blood they've dropped, and shed. growing each new timeline...
Where Rose's bloom - An Afterdeath Story by Midnightgacha8
Where Rose's bloom - An Afterdeath...by Midnight gacha嘎查
in the same timeline as 'Under the apple tree' this story focuses on Geno and Reapers relationship, from the start to the end. Geno, a royal from Kingdom Nova. although...
UTAU Headcanons by Tullium
UTAU Headcanonsby Tullium
Just headcanons of ships or characters.
Weekly Underverse by App1eS0uce
Weekly Underverseby Socially Incompetent
Hello! In honor of Underverse 0.8 part 1 coming out and Jakei's year and a half hiatus, I am going to (try to) do this thing I will be calling "Weekly Underverse&qu...