Undertaleaus 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...
An Error's Doll by EroseWisp
#2
An Error's Dollby EroseWisp
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...
reincarnated into my old au by addict_076
#3
reincarnated into my old auby Alien Queen
reader is transported into an old au they made when they were younger read as they go through there daily life in a new form and dealing with new but familiar faces p.s...
Radical Reincarnation (on hiatus!!!) by mothmommy42
#5
Radical Reincarnation (on hiatus...by mothy
when you were walking down the street truck-kun decided it was your turn to be reincarnated Met a God who gave you three wishes strangely enough you choose to be reinca...
Nightmare's Love Attention by PassiveNootNoot
#6
Nightmare's Love Attentionby PassiveNootNoot
Cover not by me and so as the characters. Random nightmare scenarios. The 1st chapters are all kiddies but as chapters move on, they get to be more uhhh let's say not f...
To the Bone by GhostFang12
#7
To the Boneby GhostFang
It had been six months since Jaune Arc dissappered from the face of Remnant. It has been four years since Monster Kind had been freed from the Underground. On Remnant 7...
Completed
Our Pen by R3myR3ad3r
#8
Our Penby R3myR3ad3r
You're the Ink of your multiverse, and you don't even know it. Well, until you meet the Ink of another, along with Error. -NOTES- I made the cover! This obviously isn't...
My Two Masters (UF!Papyrus x Skeleton!Reader) by OreoDaSkeleton
#9
My Two Masters (UF!Papyrus x Skele...by ~Oreo~
Y/N's been traded and sold her entire life. She's learned firsthand that if you don't obey your master, you get hurt. If you force yourself to listen, you live another d...
Reincarnated as a Voice by IHamTiredAndBored
#10
Reincarnated as a Voiceby TiredAndBored
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...
Stay Determined Heroes (Sans Male Reader x DC Universe) by ZeusEnalios101
#11
Stay Determined Heroes (Sans Male...by ZeusEnalios101
(Y/N) and Frisk are just two normal Metropolis citizens! Just because they seem a little different doesn't mean anything otherworldly is going on! ...Except, these two o...
Killed it! {Reincarnated as A Killer Varient} by coolkidindahood
#12
Killed it! {Reincarnated as A Kill...by DaCoolest
⪼Beaten up and betrayed, {Name} dies an unfair death because of their best friend. Having their life and their brothers whisked away in a flash. ≫They find that they inh...
Hope for a better Future (Male Silver Reader x Glitchtale) by memeloader2
#13
Hope for a better Future (Male Sil...by memeloader2
Y/n is a Silver haired boy that grew up in a ruined future, a future filled with pink monsters that roam around and destroy life. He helps fight these monsters with his...
Fandom oneshot book [Requests open] by StarwingSgazer955
#14
Fandom oneshot book [Requests open]by AAAAAAAAAAAAAAAAAAAAAAAAAAAAA...
Taking requests, basically always. Just know I am absolutely horrible at finishing them. Includes fandoms I'm in such as: Hollow Knight OMORI The Owl House Cookie Run A...
This life as Error Sans. by coolkidindahood
#15
This life as Error Sans.by DaCoolest
⪼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...
GlitchDust by adamabyss12
#16
GlitchDustby adamabyss12
This is Glitchtale, but the beginning is different. Instead of Sans being his usual self, he turns into himself from Dusttale, where he killed all of the monsters and ga...
Completed
Becoming dream from dreamtale  by KarmaAkabane425
#17
Becoming dream from dreamtale by Karma Akabane
What if someone from our world became dream on the first day they were made and were determined to not lose their brother to corruption like the original dream did in th...
Adopted by Monsters by CreateBella
#18
Adopted by Monstersby Create Bella
Hello, this is an au where the bad sanses adopt a kid which would be you ^^ only brotherly and fatherly love ^^ please enjoy this! This book was inspired by a book I rea...
Prisoner...? (Bad Sanses x Human!Reader) by ShadowOfFandoms10
#19
Prisoner...? (Bad Sanses x Human!R...by ShadowOfFandoms
Y/N was a human from a brand new AU...which was practically nothing. They were eventually rescued by the Star Sanses...only to be taken prisoner by the Bad Sanses. What...
A Blind Deal of Destruction-Blind!Error x Nightmare(Errormare) by HappyWriter62
#20
A Blind Deal of Destruction-Blind...by HappyWriter62
This is an AU where Error lost all his vision as a cruel trick of Fate. As a result, he has stayed mostly in his anti-void and causing remote destruction from the comfor...