#1
Karmatic Trio (Bad time trio x BNH...by ImN0body
This story takes place after the player vanishes from their fight with the bad time trio aka Sans, Shift, Stretch. The three got stuck there for a very long time until a...
#2
Reborn as Swap Sansby Ink Sans
You are Swap Sans but you used to be a human but you died but all you remember is that your name is Blue and well what all Swaps know like your brother Stretch and you k...
#3
The Christmas Party [Undertale Au'...by Pᴜɴɴʏ Sᴀɴs
[Undertale Au's x F!Reader]
Can be found in my Quotev Account --> @.FanboilingTrash | AO3 --> @.FanboilingWriter | Tumblr --> @.bdudette
When Blueberry and Str...
#4
Finding Fresh Air - Swap! Papyrus...by B_string_e
!! Long Chapters !! 1000-4000 words each!
**This book will be continued by another person so check the A/n at the end of the book to go to their continuation of this!**
...
Completed
#5
Love Is A Dangerous Game..... -Dus...by TheFlamingFox
Can it be that a Royal Guard that stops the act of crime could fall for one that causes the sadness and pain of others?
It can be that a Royal Guard can be with a multi...
#6
Voodoo (Errorberry)by Kyran Wolfe
After Blue's "kidnapping" Blue is returned with an Error doll. Everyone thinks it's creepy, but what happens if it's taken away or destroyed? Then there's a wh...
Completed
#7
Maybeby Li Dang
He was afraid of the storms in her eyes, but somehow, they were meant to be.
[ warning: my writing was a complete disaster in 2013. read at your own risk. ]
Completed
#8
acRoSS TimE ANd sPacE (Undertale)by Moony of Korigakure
Destruction.
It was what Error was good at. Destruction of timelines, AUs.
Apparently, he was good at destroying himself, too.
-
„hEH, don'T mAKe Me lAUgh. YoU dOn'T neE...
Completed
#9
the Great Hero Papyrusby Votor-the-Skeleton
with the constant of the resets, Papyrus knows his lines. He plays his role perfectly. Now he's on a brand new and strange stage on the surface where the humans have the...
#10
Mother From The Anti-voidby InHonorOfEvil
Error ends up saving a kid from an abusive home by accident and is then, through a one sided conversation, is decided to be their mother. And so he then proceeds to stop...
#11
From slave to friend - UF and USby _Undertale_writer_
UF!Sans lives in this hellhole, which is his life. "It is kill or be killed" and he learns that every day anew from his boss.
But what happens when a broken s...
#12
Living Tales [DISCONTINUED]by Mikaela
!!! This story will officially stop getting updated here, and ONLY on AO3 !!!
I'm going to try and write one-shots/short stories for Undertale (AU's)
Slow updates, ALWAY...
Completed
#13
~History Repeats Itself~by QueenC&FOPFangal
When Stretch McFadden finally reaches the point of his afterlife in discovering some important events of his past life, it affects his relationship regarding Casper. But...
Completed
#14
-Lucky Seven- (FGOD Reader Insert)by a simp for TK
{10/6/2020: New Description}-
You're a part of Nightmare's gang. The outcasts, the hated, the shunned. The multiverse is unforgiving, and It's the seven of you against t...
#15
~ How it all begun ~by CrazyOATCFan
Angel has just woken up, and can't remember what has happened. She soon notices, that something has changed, she has become a ghost. She leaves her home behind and flies...
Completed
#16
Diary of a Charaby Teradora ShadowRaven
The multiverse collapsed, Ink, Error, Dream and Nightmare are missing. A Chara travels to another multiverse in search for answers.
( I'm bad at descriptions)
Cover dra...
#17
Misfit Family - Indefinite Hiatus...by MX-Core
(Basically Dadmare and Dream trying to raise the kid versions of the other sanses)
Nightmare and Dream's parents left them with a giant house, a ridiculous amount of mon...
#18
Undertale/AUs Boyfriend Scenarios(...by Zoi Dawn Figley
This is a book about your relationship with various undertale characters from the entire fandom.
-Gaster
-Sans
-Papyrus
-Blueberry(Underswap Sans)
-Stretch(Underswap Pap...
Completed
#19
Kat's older sister ( Stretch love...by destinyangel29
Ether a remake or it's an re-remakes of my other story
Completed
#20
😄Una Verdadera Sonrisa 😄by Sky
Los Papyrus fueron olvidados en algún momento de la historia... Los Sans curiosos dejaron sus universos, dejando atrás a sus hermanos.... Error no esta nada contento con...