#1
The Soul Bound {Science!Sans x Dee...by Grey Wings
* Well, this story is definitely going to be a one of a kind, I can be proud of that at least! *
Sans sat in his lab, staring at the large screen in front of him while t...
#2
Becoming Error, The Forced God Of...by PinkieKido Cup
What if someone is reborn as Error?
What if they aren't so bad?
What if they're suffering in silence and keeping their job a secret for fear of hate?
How will Ink react...
Completed
#3
Hidden for so Long (Sans AU x Read...by Just Here & Thinking
Long ago, two races ruled the Earth: HUMANS and MONSTERS. One day, war broke out between the two races. After a long battle, the humans... wait no, the monsters were vic...
#4
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...
#5
Just a very big love (AU sans x re...by Spaciest bean of all time
After All AU's of Frisk's death, all of the sans have been depressed losing their love/friend of their live. Until.........(Y/N) fell to the underground. As all of the s...
Completed
#6
~Experiment~ {Yandere Gaster X Rea...by Lemon Queen
None of the art used in this story belong to me!!! And neither does Gaster!
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You were just supposed to be another shot...
#7
'My Mental Therapy' (Science Sans...by NekoCrossInk
Science seems trapped in his train of endless thoughts of guilt after the death of WD Gaster along with his brother and needs a break. They were the only ones who kept h...
#8
A funky time (fresh centric onesho...by it's da rei
originally posted this on AO3 and decided to repost here.
just some one shots about our favorite creepy crawly parasite.
(also the cover is mine.)
#9
Alternateverseby Adam’s Bitch
This is about the Alternate Universes of Undertale, about a new monster. A Human-Monster Hybrid, she was an experiment of W.D Gaster. Gaster wanted to see if it was poss...
#10
GenderVerse (MY OWN UNDERTALE MULT...by Derek O. Gast
TYSM FOR READING! THIS WAS THE FIRST BOOK/STORY I MADE!
I hope some are inspired by it.
I just finished editing it (July 19th, 2023, 5:37)
PLEASE LEAVE SUGGESTIONS FOR A...
Completed
#11
Reborn Multiverseby Aquarius
What if a FGod Error jumped into the void and fell into another multiverse and gained an AU were he has a father, twin brother, and younger twin sisters but the younger...
#12
Rainy Days (Scifell Fanfic) DISCON...by left
(I'VE STOPPED UPDATING THIS STORY BTW) What could possibly go wrong when Fell goes to spend time for a few weeks with Sci in his world..? IDK DON'T LOOK AT ME I'M WRITIN...
Completed
#13
A Truce?!by UnderTaleFanaticXD
So.. what would happen if the Dark Sanses and the Stars made a truce?? :0
#15
OCs adventures and visit Undertale...by Alice Angel and Circus Baby
My OCs, Malhare, Kitty, and Charlie visit Undertale AUs. They meet some interesting Sanses. Some of which want to kill them, some of which are funny. And some of which a...
#16
Truth or Dareby BonnieBotches
Whenever I feel like writing a story, I guess I'll just put it here? Anyway, I hope you enjoy.
#17
The Christmas Party [Au Sans X Re...by HaleCloud
Being a half monster is hard but you always have - THE MAGNIFICENT SANS!
NO BLUEBERRY GET OUT OF HERE NO! But what happens when he invites you
to come with him to the...
#18
Chemistry (Sci! Sans x Male Reader)by ThatNerdyMonster
You're a recently graduated scientist that just got the honor of being allowed into King Asgores league of top scientists. That isn't as easy as it sounds. There, you me...
#19
the shining stars ( a multiverse c...by Vera_Woldy
a story about a multiverse chaos happening around the whole multiverse , and this is the story that what happen in the outertale .
it gonna have multiverse characters li...
Completed
#20
As a pregnant error..wait my pregn...by Karma Akabane
(So yeah I kinda made this and o don't regret it. Its someone from our world who was pregnant who sided and was reborn with their kid since this error wouldn't have a k...