Undertal Stories

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29 Stories

Underswap!Papyrus x Reader by rorkitten
#1
Underswap!Papyrus x Readerby Aurora
You have lived in the underground for 4 months now, and had befriended the most adorable cinnamon roll ever, Sans. However, you couldn't help but to gain feelings for hi...
Killing the Mood by ZeroTVoid
#2
Killing the Moodby Zero Time Void
Reincarnated as Killer Sans but a bit different. First getting reborn and then thrown into a trap AU. Too bed the MC is a genius. (Pun intantional) How that works while...
|Timebeats| Error!Sans x Ink!Sans by CloverStream
#3
|Timebeats| Error!Sans x Ink!Sansby Clover - This is Old..
**OLD WRITING WARNING** "... But... Your from... That. AU." "I-I kn-oW b-ut..." "No... I'm sorry... I can't handle being friends with..." ...
Memes and Jokes by MintTheTurtle113
#4
Memes and Jokesby Shyann Then
Basically funny memes and jokes I find. This is my first, actually. Enjoy! UwU
Hide And Seek (Cross X Reader) by leighwolf2143
#5
Hide And Seek (Cross X Reader)by Ash
The X-event destroyed your home. Nobody knew what those glowing red X's did. Until 'he' left. It started slowly eating away at the code until there was nothing exept you...
Mes dessin by MaelleGue6
#6
Mes dessinby Louve
Ici je met des dessin que j'ais réaliser il y'a quelque année
undersand by abdelhamidcad
#7
undersandby Islam ooz
Story based on the game Undertale from a trusted source by Islam Ooz Follow me: facbook: islam ooz instagram: islam ooz twiter: islam ooz game jole: islam ooz tumbler: i...
Sans X Ill Reader by bebe-maybe-hooman
#8
Sans X Ill Readerby bebe-maybe-hooman
You are an Ill, 16 year old that fell into the underground. You don't remeber what happened ,but you wake up inside a house with a skeleton beside you.
QnA by Anderson_Chimera
#9
QnAby Anderson
just ask them anything this is my AU, it has two names technically, School of Lucid Dreams and Pastverse
Stories that happens in my head. Basically story ideas by Lavlanr
#10
Stories that happens in my head. B...by Lavlanr
Just little stories that pops in my head sometimes and I gotta write it down. Feel free to use them but make sure to credit. Most characters are original and others belo...
Like a Match and lighter (Reader X Grillby)  by comedyrelief
#11
Like a Match and lighter (Reader X...by Chloe
This is my first X reader so don't judge!;-; (I'm sorry but I love Grillby;-;)
The Story Of Blueprint by Abariel-et-Alia
#12
The Story Of Blueprintby Abarilia Dreemurr
Link to the original post... I've just made a copy to provide it to more ppl. Enjoy ! https://www.tumblr.com/search/but you know the ones uvu
Completed
+4 more
How to Love a Monster- Bk 2 (CANCELLED) by Mosskatani1
#13
How to Love a Monster- Bk 2 (CANCE...by ALilWeirdDragon
A sequel to How to Befriend a Monster. I recommend you read that first before reading this one. Even after 50 years of peace between the humans and monsters, the monst...
Caught in Action by notasanssimp
#14
Caught in Actionby Notasanssimp
Cute wholesome fanfiction about Sans, Hatsune Miku and Spongebob kun (totally no smut🤤🤥🥺😏) 18+!!!
Completed
Undertale tickle shorts by solbred
#15
Undertale tickle shortsby solbred
I don't know what to say no images well some are mine
UnderLife by InkSans1InkTale
#16
UnderLifeby InkSans1InkTale
Hola! Soy Ink, siempre me han gustado todos los AUs, pero como seria si unimos todos?
I will draw any undertale/ deltarune character or au character you want by NicnakMonarch
#17
I will draw any undertale/ deltaru...by Nicnak
I wanna practice drawing more art to improve my skills, so comment on what you want me to draw from undertale, and I'll do my best.
The Long Journey.. by Local_Loser_09
#18
The Long Journey..by ~(Mocha)~
Sans has been forced to join the war against the humans. Frisk was determined to try and make him stay, but he went anyway. She followed him secretively until they got t...
Evil Sanses Boyfriend Scenarios  by dat_edgy_trash
#19
Evil Sanses Boyfriend Scenarios by gay trash
the title -_- I was getting rrreeeaaaalllllyyyy bored OK •-• Plus I didn't really see much of these .-.
y/n x Sands Undertal  by BooBooBowtie
#20
y/n x Sands Undertal by Boo-Boo Bowtie
tje best fanfic yoyll ever read
Completed