#1
Soul of a Weaponby Kyran Wolfe
What if Sans only got Papyrus away from Gaster? What would happen if Alphys found him trapped years later? Can they teach him to be a normal monster, or will he forever...
Completed
#2
Soulbound || Sans x Readerby SilverSnake
When a situation with a dying human ends up with you absorbing their soul, you panic (like any unprepared monster would). Suddenly Undyne is hunting you down, so you rop...
Completed
#3
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
#4
The Final Timeline (Undertale Sans...by happy potato0064
Okay. I don't know what I'm doing with my life, so here.
THIS STORY IS BEING REWRITEN!!! PLEASE TAKE A LOOK AT MY OTHER WORKS TO FIND THE REWITE!
I'm fixing continuity e...
#5
Reincarnated as sans from Inclinet...by UmbraM4un
I got reincarnated into an Undertale Au that I made called Inclinetale
... Yup that's it, oh and I guess I have a twin now.
#6
Just A Childby lotus
Amalia Roux, a 10 year old girl who had abbusive parents obssed with fame, she die brutally in her own father's hands while her mother watch just because Amelia win seco...
#7
Sans x Reader One-Shot Bookletby Zana B Sparrows
This is just a collection of Undertale-themed one-shots that go along with the plot of my Sans x Reader fanfic, "When Two Souls Meet." It's a community project...
Completed
#8
Reborn as a baby Xtale Gasterby Cosmicstars08
This doesn't 100% follow the original Xtale story even before the babifacation of Gaster. When a pure yet genius soul dies at the same moment one of Xtale Gaster's over...
#9
Reborn as Redby HyperFixtionSucks202
Somebody dies and is reborn as UnderFell Sans. They, aren't too happy about it. But now here they are, left with baby-bones Papyrus. Fuck! How do you raise a baby skelet...
#10
Bruised To The Bone: (Sans x Reade...by sweet.is.bored_
(Y/N). A peculiar soul; A human core, with a skeleton's power. Her parents are ashamed of her, beating her every time they catch her using magic. One day, she accidental...
Completed
#11
Bitter Berriesby 𝕂𝕒𝕔𝕙𝕠𝕨
Note to self: Never make jokes about getting reincarnated into a video game character because it'll actually happen.
Welp too late to go back now, considering I'm alread...
#12
Skeleton+Vampireby Sora Tempest
Sans Wingdings. He's a laid back chill Skeleton. He's extremely lazy and intelligent. He has a younger brother named Papyrus who is the total opposite of him
Sans has a...
#13
Reincarnated as Sans twin brother by Sansdoll123
The reader wakes up to a new life as a monster skeleton. In a new world, that's filled with monsters, humans, and magic. But instead of living their new life to the full...
#14
Runawayby DevinGaming321
Finally. They made it to the surface. But after an attack on the monster king, Undyne reveals a hidden secret that destroys the group. Can they bring themselves back tog...
Completed
#15
Fixing up the Past // Glitchtale G...by Anime OrangeO!
It was obvious Gaster wasn't keen on forgiving Jessica.
It seemed like every time she tried to apologize, every time she tried to open up, he dismissed her. That was wh...
#16
I'm Kris But In Undertale?!by CraftyOwl
Y/n was born in the real world but he had lacked adventure in his life. The only thing that had given him a sense of adventure was a few games like undertale and Deltaru...
#17
(Sans x Reader) When Two Souls Meetby Zana B Sparrows
Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over a...
Completed
#19
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...
#20
Write A Note (Sans x Female!Reader)by ~Oreo~
It's only been a few years since monsters have been released from their underground prison. In some towns, monsters are welcomed with open arms. Others? Not so much. Y/N...
Completed