SoulFull Au {Undertale Au} - <Boom_Go_Brrrrrr> - Wattpad

Story cover for SoulFull Au {Undertale Au} by VoidianReader

SoulFull Au {Undertale Au}

Reads 33
Votes 2
Parts 2
Time <5 mins

Reads 33
Votes 2
Parts 2
Time <5 mins

alternate sans soulfullau undertale universe

I gained the idea for this au because I thought of a what if, 
'What if the humans were trapped in the underground with the monsters' 
And went with that Imma make a main timeline for this Later on or have it as a backstory Can't decide RnAll Rights Reserved

alternate sans soulfullau undertale universe

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Hidden for so Long (Sans AU x Reader) {Discontinued} by RandomWriter-Chan

Please check out the remake of this story. Long ago the earth was ruled by two races, Humans and Monsters. One day war has broken between the two races. After a long battle, the humans...wait no the monsters were victorious. The monsters seal the humans into the underground using a magic spell. Humans were the one stuck inside the undergrounds but one human there was very special ,(Y/N) (L/N), like any other person she was a normal human she isn't perfect, makes mistakes, has her own personality. Her universe was different from all the other universes but the guardian of all of the AU's ,Ink, never really seen her universe before. Then one day while he was talking to Dream, Dream had found her AU then with several other Sans they went to explore her AU...

The Real Me + You by KasiaKaliszka

You've been living in the Underground for the past 2 years as a powerful Spell Caster, you prefer living in the Underground than up top on the surface as you find Monsters to be better company but other Humans do pass through from time to time. Monsters can go up to the Surface but choose not too as Humans do not want them there and will attack them on sight but there are some curious Humans who will pass through the Underground and so to ease what ever discomfort they may have some Monsters can make themselves look Human. You the Reader didn't get to know all the Monsters, for the whole 2 years you just worked and relaxed at Waterfall until you met a certain Monster who changes your life and you change his.

The Animals Inside (HAITUS) by animal-sans

You are walking along a dark alleyway when you are ambushed and knocked out. In another universe, a young Sans is attacked and you both wake up in a white space with an offer being given by an elegant woman: take over the young Sans's body and let him live a peaceful life elsewhere. What is your answer? The story about my OC Look at my book about my AUs to get a better grasp of the backstories, what's happening, and the Sans and Papyrus MV nicks and CHECKs. All drawings used are my own, and I'm not the best at drawing human-like beings If there are references to other stories, they are coincidental, since this story is purely about my OC.

Bloodfall (An Undertale AU) by BlackStormWolf

Ever since the death of his younger brother. Things have gone downhill in the surface world for Sans. Alphys died a few months after Papyrus to a disease, Mettaton and Undyne, especially Undyne, had fallen into a depression. Flowey dissapeared into mt. Ebott, not to be found and Sans is fighting depression and insanity. One day, Sans discovers a suspect to his brother's death. A being that is trapping anyone who had either fallen into Mt. Ebott or stayed behind in snowdin for a while. Sans, along with Frisk and Undyne, go into the underground themselves to confront this being. They must encounter the Bloodfall that traps and kills anyone who dares pass by waterfall. (This takes place after a true pacifist run if one killed Sans in a Genocide run, but reset their game before getting to Asgore(I did this in a way to quit the Genocide route). This is if Frisk choses to do this the Pacifist way. I might make a Genocide one in Story Shorts. Also, My Sans is a human, but feel free to interprate him as a Skeleton if you ever choose to use this AU. Just credit me!)

Murdertale by sansyboy11111111

An Undertale AU i created... All the characters are overly aggressive(except Flowey) and try to kill every human they see. the last human to fall into the underground is Frisk, and they meet many monsters who initially try to kill them, until Frisk teaches them the benefits of being nice. this takes at the same time as Undertale, but is completely different. it is also similar to horrortale because that is the AU that inspired me. all the characters belong to toby fox The cover art was created by RenSabre

Storyswap: STORY MODE by Julioomega96

This comic is made as my own image of storyswap history, with a similar story of the original undertale but with some changes. So I'm here to write how imagine how storyswap would happen

Soul An Undertale Fan Fiction by karikitdemon

In the Undertale universe, a different human child falls down into the underground. Even though she is very young she will have to find her way home or stay there forever. ----- Big thanks to my friend from school who helped me out a bit.

A Strange Feeling (Sans X Reader) by Sak423

Do not expect consistent updates as life gets busy 🙃. This is rated mature because of strong language. You are a 24 year-old in college and have loved Undertale since the beginning. You enjoy all the aspects of the game; the story, the lore, the music, the backgrounds, and most importantly the characters. You've started having a strange, almost malicious feeling related to the Genocide run and that creeps you out. So, you start a pacifist run and after a while, you fall asleep. You wake up in Undertale and thus begin your new journey. Through your travels, the strange feeling comes back, but as a different emotion. Perhaps the only one that can help you with this feeling, is a certain punny skeleton. (I tried my best I'm not very good at summaries 🥲.) (Also I am so sorry for the kinda weird writing this is my first time writing a story. So I welcome constructive criticism.) Started: January 26, 2025 Ended: ???

Undertale Observes Chara & Sans 《HAITUS》 by Sho0ting_st4rzz

What would happen if the underground saw what Sans and one other person do when they're alone? Read to find out. ------------------------------------------- Hi, this is my first story, please be nice. This is set in my own Multiverse that I created, so most of it isn't Canon. I hope you enjoy! ××××××××××××××× Edit: I'm rewriting/revamping this, and there will be major changes. Original story is up until New People, then there's the A/N's, and after that is the rewrite. If you want a ton of cringe, you can read the whole thing, but if not, just skip to after the A/N's

The First Human [X Sans] {COMPLETE} by RaeTheStar

Imagine Undertale, but Chara never showed up. Chara wasn't the first human in the Underground. What if a glitch occurred, and you fell down instead? You fell into the Underground, but you cant remember your previous life. Now, you are surrounded by strange monsters, who have also never seen a human before. Will they let you live? [written 2017]

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Slide 1 of 10

Hidden for so Long (Sans AU x Reader) {Discontinued} cover

The Real Me + You cover

The Animals Inside (HAITUS) cover

Bloodfall (An Undertale AU) cover

Murdertale cover

Storyswap: STORY MODE cover

Soul An Undertale Fan Fiction cover

A Strange Feeling (Sans X Reader) cover

Undertale Observes Chara & Sans 《HAITUS》 cover

The First Human [X Sans] {COMPLETE} cover

Hidden for so Long (Sans AU x Reader) {Discontinued}

Please check out the remake of this story. Long ago the earth was ruled by two races, Humans and Monsters. One day war has broken between the two races. After a long battle, the humans...wait no the monsters were victorious. The monsters seal the humans into the underground using a magic spell. Humans were the one stuck inside the undergrounds but one human there was very special ,(Y/N) (L/N), like any other person she was a normal human she isn't perfect, makes mistakes, has her own personality. Her universe was different from all the other universes but the guardian of all of the AU's ,Ink, never really seen her universe before. Then one day while he was talking to Dream, Dream had found her AU then with several other Sans they went to explore her AU...