
#1
The Faults in Our Souls ~ Gaster x...by _T3chn0_
"Do you not want to go back home? To the surface?"
°°°°°°°°°°°°°°°°
"No."
°°°°°°°°°°°°°°°°
"Why?"
°°°°°°°°°°°°°°°°
"Because my home i...
Completed

#2
The Time Before (Undertale)by ANinnyMouse42
~o0o~ Book 1 of the "Better Times" trilogy ~o0o~
(Book two: "A Name to Remember")
(Book three: "No One is Happy with This")
There was a tim...
Completed

#3
Undertale: giving soulby Author-Dayo
This is a story before the last human fell around the time Chara was still alive and well. Humans were not being hunted till the adopted prince's passing, however with a...
Completed

#4
Gaster x Reader- Not Your Faultby Singeroftales
You're a human who has fallen down into the underground. There you meet a certain skeletal scientist and his sons. Will you get close to the family or will you become th...
Completed

#5
Starting Overby Kyran Wolfe
If given the chance, would you start over?
After falling into a timeline where nobody was murdered, his mother never died, and his father was never erased, Sans should b...

#6
Undertale & Deltarune Oneshotsby Grimm
《Requests Closed》
Just a collection of Undertale and Deltarune oneshots, will also include AU's and x reader's
[Disclaimer: I don't own Undertale, Deltarune, or any of t...
Completed

#7
In Another Timeby Gale DuPree
Gaster has been shattered, the pieces of his soul scattered across time and space. He is lost to the void, forgotten. The emptiness is menacing, taking any memories and...

#8
The Return(A Flowerfell Sequel)by Frisk
3 years had passed since Frisk sacrificed herself to free the monsters.
Now humans and monsters live together on the surface, though some monsters preferred staying in...

#10
My little Star (Sans Afton AU) (Hi...by -_Sakura_-
Welcome to what has to be the most interesting and chaotic crossover story idea I have ever had.
Sans is an Afton in this, he somehow teleported to the Underground dime...

#11
Gaster's second chanceby Diamond3343
Classic sans had hid a very dark secret about his father's disappearance Destiny had intervened her child suffered for so long as had classic gaster so she decided to gi...

#12
How To Be A Dad (Undertale Fanfic)by liberated hoe
(Short Story)
Gaster have made an experiment and made a very amazing experiment. Two lives, in the hands of Gaster.
The problem is . . .
He didn't know how to take care...

#13
Determination.by RavenVanmitiston
This story takes place after the comic; "You Don't Have Hide Anymore." In case you have no idea what I'm talking about...go watch it on YouTube. In this story...

#14
New Home (Undertale Fanfic) (DISCO...by Astrile
The monsters get back to the surface once again. Although everything is great at first but tensions between the human race and monster race begins to rise. (Idk what to...
Completed

#15
The Judge (Undertale Fanfic)by Akumalia
This is my first Wattpad so please bear with me...
I do not own any of the songs or pictures used.
-------------------------------------------------------------
The Judg...

#16
Sans got sick oh nuby EvoliteEverstone41
Sans has gotten sick, OH NO!
So what happens when our funny pun loving skeleton gets sick? Hurt/comfort, Fluff, and lots of overprotective family moments with a side of...

#17
My Greatest Creationsby Sean
W.D Gaster creates what has never been done before.
A clone.
I made and drew the cover, Undertale doesn't belong to me.

#18
RebelTaleby CrazyCorbeau
RebelTale is a new AU created by me,so um,please don't steal also help me with tags cx

#19
-- An Alternative Universe--UnderE...by Ceacilia-Tarifil
Once upon a time, lived two princes. One a monster, and one a human. The two children were friends, and enjoyed to play with serious matters, and fragile topics. So one...