#1
I Was Reborn As Asgore, What shoul...by Originalsparkstar
After dying in the hospital due to complications in surgery, an Undertale fan finds themselves sitting in Asgore's throne room. Where they have no idea where they are in...
#2
My Anomaly (An Error Sans X Reader...by Nightmare
When your sibling Chara goes missing you fear the worst, but life takes a surprising turn for the better when they release the monsters trapped underground. Living this...
#3
Undertale x Infant!Readerby ~Raac~
Taking a journey through the Underground seems fun to experience and to Fight or Act through. But is it really fun when you're just an infant? Will you ever make it back...
Completed
#4
Undertale Tickle Stories (Main Ser...by Krat395
Cover photo drawn by SodiePawp.
Hello there! This is nman1983 and I am a male in his 30s that writes Undertale tickle stories, something of which I have been doing since...
#5
Undertale:Secretsby Comic
Sans has had an interesting past. A past that even his beloved brother barely even knows of. A past that he wishes could remain a secret. But when the questions start be...
Completed
#6
Reborn In UNDERTALE!?by StelleFont
I was just a 19 year old, living my mundane life, until I died... and was REINCARNATED!?
And not only that, I was reborn in the famous videogame release in 2015 Undertal...
#7
•°.ᴳᴴᴼˢᵀᴸᵞ.°•by ✦•.𝑭𝒓𝒖𝒊𝒕𝒚 𝑵𝒊𝒏𝒋𝒂°.🌙
ᵞᴬᴺᴰᴱᴿᴱ!ᴸᴹᴷ ˣ ᶜᴴᴬᴿᴬ!ᴿᴱᴬᴰᴱᴿ
ₓ˚. ୭ ˚○◦˚.˚◦○˚ ୧ .˚ₓ
|sᴛᴀʏ ᴅᴇᴛᴇʀᴍɪɴᴇᴅ !
What comes after death?
Is it reincarnation?
Nothing?
Heaven or hell?
Perhaps you come back as a spir...
#8
Undertale Comics 1by crazytitan25
Just a bunch of comics about Undertale.I do not own this comics.
Completed
#9
Undertale AU Sibling Oneshotsby CrowBorn666
Yup! They're back! A thing I started back in my older account UndertaleKyannaKitty.
They're your siblings now!
Cute, edgy, as much angst as you want, sad-whatever!
Reque...
Completed
#10
Undertale Reactby ----
Undertale is going to react.
This will not be entirely canon and will include aspects of what I believe (backstories, ect.)
I do not own the cover and I do not own any o...
Completed
#11
No One is Happy with This (Underta...by ANinnyMouse42
~o0o~ Book 3 of the "Better Times" trilogy ~o0o~
(Book one: "The Time Before")
(Book two: "A Name to Remember")
Two years after the Barrier...
Completed
#12
Can I take you to Dinner? Mafi-fel...by MissHoll-E-Socks
"How rude, not even gonna ask for a name??" He teased. "Why are you here?" You glowered, raising the whisk. The skeleton scoffed: "Well, glad yo...
Completed
#13
Undertale x male readerby Toad Yeager
So harem book of Charas and Frisks x male reader but real description is below this.
The only one of his person in all universes is part of Undertale with an OP powers b...
#14
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
#15
Unexpected Love | Sans x Readerby mal ✩ˎˊ˗
You climbed the famous Mt. Ebott to prove to a group of your friends that humans don't disappear when they go up the mountain. While walking around the peak, you trip ov...
Completed
#16
A New Soul (Sans X Female Reader)by Your ruler - Kay
(Y/N) absorbed a monster soul when she was little, gaining skeleton powers. Many years later, (Y/N) and her sister Frisk fall into the underground, meeting Toriel, their...
Completed
#17
The Alien Hero of the Underground...by ShortMannZ
This story follows the storyline of if Ben 10 travelled the Underground with Frisk.
Feel free to notify me of any errors in the story.
I hope you enjoy.
(I do not take c...
#18
Echotale - Thought So (G!sansxFris...by A.P.M.B
FRANS
This is a request and I have been really exited to start writing it!
I really hope you like it!
Echotale is not my AU!
Neither is Jailtale!
This is just my own lit...
Completed
#19
Undertale Characters React to Shipsby TheReturnOfTurtle
Okay, so basically, I'm going to try to take any canon clues I can find to come up with their reactions to the ship. It will follow the same order as my own opinions if...