
#1
Becoming ink sans from undertale m...by Karma Akabane
What if someone from our world died knowing a lot from the undertale and their multiverse/underverse? What if that person also knew about the balance and didn't creat to...

#2
Reincarnated as a Voiceby TiredAndBored
TW: Swearing and slight gore
Y/N reincarnates in the anti-void as a Voice... Will he befriend error or will they make them hate their guts? And will they meet other peop...

#3
Sapphire Judge (Undertale x BNHA C...by iiDollieFluff
Sans world gets reset and he finds himself transformed into a human girl in a world of heroes and crime. She, however, is all alone, her friends and brother all lost to...
Completed

#4
Undertale X Readerby Frei_111
You woke up on bed of golden flowers without having anything to remember. Going to an adventure where you met with many monsters to go home. Easy, right?
Not really, act...
Completed

#5
Reborn as fellswap san and now I'm...by Karma Akabane
What if..someone from our world was reborn as fellswap sans? But an accident when he was young leads to becoming blind for a long time and papyrus feels guilty about not...

#6
reincarnated into my old auby Alien Queen
reader is transported into an old au they made when they were younger read as they go through there daily life in a new form and dealing with new but familiar faces
p.s...

#7
I am not cute (UF! Bitty Sans x re...by Crazy Wild
This will be my first book so please no hate. I am trying to make the book for both genders so if I wrote something for a specific gender please tell me. If you dont lik...

#8
Fresh New Antivirusby Hidden Ajinn
Fresh is Admin of the Multiverse!? This can't end well ... or can it?
This is an alternate universe - er, multiverse - where Fresh is responsible for the monitoring and...

#9
Killed it! {Reincarnated as A Kill...by DaCoolest
⪼Beaten up and betrayed, {Name} dies an unfair death because of their best friend. Having their life and their brothers whisked away in a flash.
≫They find that they inh...

#10
ClockTale an Undertale AUby Fublle
"Hm?" Timer asks taking his wrist watch off, checking the time before taking out a screwdriver and pulling it apart. Nervous habit of his. The meeting between...

#11
Reborn In UNDERTALE!?by Nova_ Art_Maker
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...
Completed

#12
Do it with me~ (Killer x Dust)by Spy
After the so event with Error, Killer has to go through his heat like the usual. But he doesnt want to go through the same things after hearing a few opinions from the o...
Completed

#13
Who Says You're the One in Control?by Colorful Noodle
Papyrus is dead. As are over 100 of the monsters in the Underground.
Now it was just Chara against Sans in the Last Corridor. Already prepared to die here, Sans fights m...
Completed

#14
Show No Fearby Juniperlives43
Aliza has created another reset only this time she isn't facing the horror house alone. He older sister has joined her, however her older sister doesn't seem to be able...
Completed

#15
GlitchDustby adamabyss12
This is Glitchtale, but the beginning is different. Instead of Sans being his usual self, he turns into himself from Dusttale, where he killed all of the monsters and ga...
Completed

#16
Waning Crescent (Reborn as Crescen...by StellarTales999
A "Stellar rebirth" is when a star experiences a second chance at life, or a late helium flash, that causes it to shine again. It seems a spark has occurred.
A...

#17
Lazy, but still got a harem (To Lo...by Galactics
(Y/n) Gaster is a human with powers that no one knows about. What would happen if he were to be living with an alien girl?
To Love Ru isn't owned by me. Sans from Undert...

#18
We were just friendsby TheCrystalcomet
Error is an aggressively haphephobic glitch with no concept of social rationality or patterns, but a strong desire to connect and be cared about. After his strong desire...

#19
Filled with DEPRESSION. (Male Read...by Ryumaki215
Something I've been thinking about making for a while now. I hope you guys can enjoy it! (Warning! Themes of suicide and depression are in here as well! If any of that b...
Completed

#20
Skeleton Ghostby Flaming Soul
Reset after Reset, a meek ghost is finally sick of watching them all die.
Genocide after Genocide, a depressed skeleton is starting to reach his utter limit.
A ghost fi...