
#1
Judgment of the Demigods: Demigod...by Crescent
This is a crossover between Percy Jackson and Undertale
After a genocide route, Sans is somehow not dead, and Chara has broken the barrier and mysteriously disappeared...
Completed
![[SPOILERS] Undertale Genocide: A Bad Time (Sans' Perspective) [[Completed]] by TheDiabolicalOval](https://img.wattpad.com/cover/90105909-512-k69678.jpg)
#2
[SPOILERS] Undertale Genocide: A B...by TheDiabolicalOval
Sans the skeleton is a resident of Snowdin in the Underground, and life as he knows is mostly alright. He had his optimistic, egotistical brother, Papyrus, his mysteriou...
Completed

#3
Chara X Reader - You against the W...by Ymir_Krista
It's the world against you or you against the world. Or, in this case... You against me or me against you. Your choice. Either way, I win.
![Una loche larga [Sans x Frisk] by OkamiNoKokoro](https://img.wattpad.com/cover/137019703-512-k308580.jpg)
#4
Una loche larga [Sans x Frisk]by AkaiOkami
¿La pequeña genocida siente arrepentimiento? ¿El peso de sus pecados es suficiente para rendirse o su determinación corrupta la impulsará a seguir? Pensamientos de una n...
Completed

#5
Control || Chara x Readerby Nova
You don't remember how and when you fell into the Underground. All you seem to know is that it's inhabited by monsters with little to no signs of human life. You make it...

#6
Resettingby Caytlyn C.
Frisk is caught in the bathroom after cutting herself by the one and only Sans. What will he do when he finds her?

#7
Indie Cross x Mhaby Jordan Dunbar
The story takes place after episode 1 of indie cross and the start of season 2 of my hero

#8
A Place to Rest My Tired Skullby K.R. Starktower
He was tired of this. Tired of the golden hallway, tired of the Dust on the wind... tired of dying. This time, for once, Sans decided he wasn't going to die alone.
OR
S...

#9
💙💀Judgement💀💙by 🐚~{ֆɦɛʟʟʏ}~🦕
You're doing the Pacifist/Neutral/Genocide route, and You get to the Judgement room.
you come across a Similar figure... and The figure starts Speaking... but then you r...

#10
I Know What You Did...by K.R. Starktower
What if Chara didn't control the Genocide Runs? What if it was Frisk? And what if, after all was said and done, Sans still remembered?
A short what-if conversation betwe...
Completed

#11
Ask Underversesby With Joyce and Diana
Welcome to the ask book! The first page is requests, and once we get them going we will introduce the characters!
(Remember, you can Ask other universes! Just make sure...

#12
Get dunked onby Valrex
After a serial killer obliterated a good portion of the Underground, Sans, the considered weakest monster stood against it as a last stand. After pulling of a cheap tric...
Completed
![What A Dream Becomes Here [Undertale Story] by Genocatsans](https://img.wattpad.com/cover/70602822-512-k39751.jpg)
#13
What A Dream Becomes Here [Underta...by Grace Brigid
What happened in a dream I had that scared the shit out of me, and made me cry all at the same time!
[Do not correct spelling or diction nobody is perfect and if you do...
Completed

#14
Haunted | UnderTale Fanfic | Genoc...by ღ - offline
It WAS a pacifist run. Then, Frisk rested for the heck of it, causing the consequences to crash in.
Violence is mentioned in this story.
Disclaimer: I do not own Und...

#16
Undertale AU - EVERYTHING HAS AN E...by Geilt Sionnach
YOU KNOW THAT EVEN IT'S JUST A GAME, THERE ARE CONSEQUENCES AND YOU, MY DEAR CHARA WILL HAVE THEM SHOVED IN YOUR FACE!
THIS STORY IS ABOUT MY AU UNDERGOLD, I WILL EXPL...

#17
Megalovania- Undertale {COMPLETED}by fabulous_pterodactyl
Frisk and Chara have been battling over control of Frisk's body, but someone has won... who?

#18
「home feels like being right besid...by World Renowned Dumby
"If this was the worst of it, things can only get better, right?"
ー
〉I didn't write this to throw around mental illness and suicide as a fun thing to incorpor...

#19
Why? (An Undertale Fanfic)by Rose
Ziara, Zia for short, is the unknown sister of Chara, like Chara she has red eyes, she is bullied as school and abused at home because of it.
After a while, she has ha...

#20
The secret by Dreamzie ^~^
this is the third story about when sans and papyrus ask howler questions about who she is and about her family and her past