#1
Knock Knock {A Sans X Reader - Und...by Cuddles the Alpaca
You were always a curious child. One day, your curiosity took you too far. You lived not to far from a mountain, MT. Ebott, and always wanted to see what was on the top...
Completed
#2
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 Un...
Completed
#3
A Tree, For Us (Sans X Reader)by TheAbandonedQuiche
CONTAINS SPOILERS FROM BOTH PACIFIST AND GENOCIDE RUNS
After a horrible situation, I (Y/N) scaped from home to avenge my (sibling). In a failed attempt, I got lost and f...
Completed
#4
Undertale Boyfriend/Girlfriend Sce...by Maggot4layp
Its on the title ;)
**
Feel free to request a scenario
Reading this story happily and Voting this story , fills me with DETERMINATION
P.s Character Requests were close...
#5
Storyswap: STORY MODEby Julio Omega 96
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 story...
#6
'Being A Pet All Over Again' Under...by noé
[Disclaimer that this book is very old nd poorly written, please keep that in mind!]
Sequel to 'Shy Pet' so if you haven't read that, I suggest you do!
After Y/n had die...
#7
(Discontinued.) HEROES OF DETERMIN...by SPAG O' THE SIRE
discontinued.
Frisk and the group wake up to find themselves in a different dimension. They soon find out that this is a world with Quirks, and they have to fit in.
Firs...
Completed
#8
Undertale (Undertale x Reader)by you wont know
You have fallen in the underground. Find a way home.
WARNING: This book may contain spoilers for the pacifist route of Undertale.
#9
Swapfell The Complete Story...by AmethystPheonix7
This book is about Undertale AU Swapfell.
This is my own personal interpretation of it, the characters personalities are based on my own. I know quite a bit about Under...
#10
Becoming sans from Florataleby CorvusNix
"Darkness that's all I could see and then there was light, A beautiful kind of light no it wasn't beautiful it was so much more..."
...
#11
//In-love? ||remake||naj x reader//by Avas_stories😊
So my last story was a failure so I wanted to
Remake it I hope it doesn't go down hills
Hope you enjoy this crap
#14
College With Temmie - An Undertale...by star ⭐️ moon
Stephanie travels to Snowdin Scholars College in hope to satisfy her parents hopes and dreams for her. She really does not feel interested, but she goes anyway. Stephani...
Completed
#15
Reapertale the job of the Temmies by EmptyCornerAlone
The Lore of a Temmie is a closely guarded secret, the job of a Temmie is not always known to their peer's. welcome to the cycle of Enigma, to Reapertale a familiar AU fr...
#16
genocide is his only salvationby ner
[a series of Undertale fanfiction drabbles]
each chapter is distinctive, and spoiler-heavy for any routes and characters.
Completed
#17
The Angel That Hoped | Undertale |...by Scarlet-Vexin
W.D. Gaster, the royal scientist for King Asgore. He has done many experiments, most being successful, though some ended in failure.
This time, Gaster has been working o...
#18
Ask YandereSwap!by Luna Lovegood-DarkHP
Ask the characters!
Y/n = Chara
You both are the same person, I just made it an Xreader :p here reader is Chara.
#19
Ask and Dare UnderSchoolby LatestCraze
Ask and dare people from undertale to do whatever. EXCEPT S**! NEVER THAT! They're all teens by the way.