New Life In The UNDERGROUND Underf...by Nrgs
y/n y/l/n is one of the people who has access to the magic in their SOUL. so she's working where everyone with magic that wants a legal job works, plus it pays real good...
A Call Answeredby Phoenix_Flame
Asgore had thought they were dead, the seemingly faceless and voiceless soldier that had been fighting with them years ago. Those years had passed by rather quickly, the...
Changing The Gameby Starlessz
One month before Frisk falls into the Underground a different human falls, someone that is not from this world, but from ours, and now they have the power to change the...
deltarune Chapter 3 (Theoretical P...by SONICFAN
I'll be going off of the minor news and also screenshots I've seen of this chapter, I should note that I'm not a developer working with Toby on the game, things will be...
Frisk Meets The underwater monstersby Brownie <3
After returning to the surface with their friends, Frisk started having dreams. After the barrier shattered and everyone returned to the surface, Frisk got a glimpse of...
Another Taleby Mudragada Satya Nikhil
what if Asgore and Toriel part on good terms after his delcaration of war?
what if Flowey did not turn evil by the time Frisk came into the underground ?
what if Papyrus...
Static Screensby UbaLala9
One day, Sans found a game in his basement. What happens when he and some of his friends decided to play?
What happens... when the npcs... are a little too... realistic...
Undertale: A perfect worldby I burned the water
Imagine a world where the player doesn't exist. And that is the exact representation of this AU. No genocide, no eighth human, no player. All the monsters including the...
Reborn In UNDERTALE!?by StelleFont
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...
The Hike: This Is An Undertale Sto...by Nightm4re_sans
Y/N falls into the underground while taking a hike with their family.
you are 10 in the story, and your parents wanted to go to hike with the family to Mt Ebott. You for...
Undertale (Undertale x Reader)by you wont know
You have fallen in the underground. Find a way home.
WARNING: This book may contain spoilers for the pacifist route of Undertale.
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...
Surface Adventures +Other Skits...by 🌌 Kai/Uniqua 🌌
Join the crew on various adventures ranging from mundane lounging at home, unleashing the beast in Among Us, and ruining friendships in Monopoly to epic quests, journeys...
Welcome to the Future by Kyran Wolfe
For 130+ years, monsters have been extinct with the only things left behind having been their hybrid children. Over the years as the hybrids continued to reproduce and 8...
A Underfell skeleton brothers storyby UbaLala9
Still working on title, this will contain vore, don't like, don't read
The Tot Sans Experimentby Kyran Wolfe
Alphys concocts a serum that was supposed to help Sans with his hp. Unfortunately the serum is tampered with by a certain fish who wants answers and instead the crew is...
Let Me Save You (Edgy Sequel)by Kyran Wolfe
It's been a six years since you and the Skeleton brothers moved into the Ruins, claiming one of the old houses in the city as your own. Astigma has another brother now...
Completed
Undertale Reactsby KittenKat2023
Undertale will react to a lot of pictures, videos, comics, and more!
BenTale Undertale x Ben 10by UnderWritter837
Have You Ever Wondered What It would be like if Ben 10 was in Undertale? Well look no further This is an adaptation of Undertale! The Main Characters are Ben And Frisk...
Just A Childby lotus
Amalia Roux, a 10 year old girl who had abbusive parents obssed with fame, she die brutally in her own father's hands while her mother watch just because Amelia win seco...