Corefrisk Stories

96 Stories

The Alternate Multiversal Traveler (Female CORE Frisk X OC) by adamabyss12
#1
The Alternate Multiversal Traveler...by adamabyss12
A young boy at the age of 16 had lived an ordinary life. He had a home with parents, he went to school and do his homework, he had friends that he had hung out with, he...
Scrubbing Out the Stains by broskiskillet
#2
Scrubbing Out the Stainsby ba115mcg33
The multiverse decided, "Ayo, Imma need to make a whole other living thing to handle this Balance shit yo." Though there are restrictions, your boi is out in t...
Webs and Bones by KarmaSpidr
#3
Webs and Bonesby KarmaSpidr
"Error, what did you do?" Ink didn't expect there to be AUs beyond the Doodle Sphere. Core Frisk never would have thought that there are things they can never...
WHAT'S WRONG? IT'S JUST A GAME. (Male Player Reader x Undertale/AUs) by BlackFlashYuto
#4
WHAT'S WRONG? IT'S JUST A GAME. (M...by Code-Cipher
Y/N gets isekai'ed to an Undertale multiverse. He becames the embodiment of Manipulation and Control. As he does not want to believe he died before, he becomes someone w...
Strange Fate (Error404 Sans X Core!Frisk) by CrookedGta5
#5
Strange Fate (Error404 Sans X Core...by CrookedGta5
Witness the life of Error404 with Core Frisk and their friends as they go on a lifelong adventure to a happy life.
Under the Surface (Book 2) - Error x Core Fanfiction by Turtlleee
#6
Under the Surface (Book 2) - Error...by Turtlleee
Sequel to What Love Does to the Best of Us. It is highly recommend you read that before coming to this. Ink and Error are dead and, in their places, are Blueberry and C...
Completed
Female Storyshift Chara x Male Reader by SS-Chara
#7
Female Storyshift Chara x Male Rea...by Cross Chara
This is my first story I've posted, so no hate, please. Also, even though the title says storyshift... It's not going to seem like that for the first part of the story...
Forgotten Times. Missing-Tale by ANightToRemember11
#8
Forgotten Times. Missing-Taleby Aurora 'Aura' Eclipse Night-S...
I have felt the pain of Betrayal when my original Creator abandoned me. Then again when my first friend Error seemed to have left me. I hid behind a persona of who I onc...
Correction of the future by Kemikawhizkali
#9
Correction of the futureby Kemi
Before the events of Underverse begin, seven people disappear from their Multiverse. Dream, Error, Fresh, Stretch, Outer, Core!Frisk and Cross!Chara are trapped in a new...
Core frisk x error sans by TheGhost033
#10
Core frisk x error sansby Ghost of time
The story of a sans who is misunderstand and a frisk who has more to her then what others know
An Interesting New life: Hallow Saga (Discontinued) by ideadud
#11
An Interesting New life: Hallow Sa...by Letnoj Brown
[Cover art not mine] a undertale reincarnation story where this version of the humans becomes one if the most powerful organizations in the Multiverse 6 in corefrisk
Completed
"Does that make me 𝙄𝙣𝙨𝙖𝙣𝙚" by Clublake354
#12
"Does that make me 𝙄𝙣𝙨𝙖𝙣𝙚"by
A normal player who lived a normal life saw all the pain and suffering everyone was feeling and 𝙀𝙣𝙟𝙤𝙮𝙚𝙙 it. Now, they want to make everyone feel that pain more in...
Undertale/Stardew Valley AU - StardewTale by Crying_Burning_Liar
#13
Undertale/Stardew Valley AU - Star...by The Giving Tree | Morwen
[[Undertale and Stardew Valley AU = StardewTale This is a OC insert story.]] The Undertale crew make it out with the help of Frisk, the forgiving eight year old girl. Li...
The House of Undertale AUs by HashimaruNinja
#14
The House of Undertale AUsby The Ultimate Ninja
This fanfic will have SansxReader, CharaxFrisk, and SansxFrisk. There will also be those original love, like AlphysxUndyne. You ask how Sans would like Frisk while likin...
Yandery Sansest 1Shots [Discontinued] by FrozenMakerSans1
#15
Yandery Sansest 1Shots [Discontinu...by ϝɾσȥҽɳ Mαķəŕ
\this one was actually inspired by AqilahDawinterWolf Yan au 1 shots / (Though sadly I do not have motivation to continue this. I do apologize as I'm focusing on my ar...
sans au: the new original timeline by glfrax
#16
sans au: the new original timelineby glfrax
in the multiverse even if you know what the original universe is you can't know the first or original timeline now the same person that has create the original timeline...
(Cancelled) 「 𝘼𝙣 𝙀𝙧𝙧𝙤𝙧 𝘪𝘯 𝘛𝘩𝘦 𝑬𝒗𝒆𝒏𝒕 」𓄹 Uɴᴅᴇʀᴠᴇʀsᴇ & Fᴇᴍ!Rᴇᴀᴅᴇʀ by _HaydensYellowBee_
#17
(Cancelled) 「 𝘼𝙣 𝙀𝙧𝙧𝙤𝙧 𝘪𝘯...by Hayden
꒷꒦꒷꒷꒦꒷꒷꒦꒷꒷꒦꒷꒷꒦꒷꒷꒦꒷꒷꒷꒦꒷꒷꒦꒷꒷꒦꒷꒦꒷꒷꒦꒷꒷꒦ 「 Una creación extraviada en el Multiverso, un muñeco, aunque su semejanza hacía los Humanos era mucha haciendo qué se confundieran i...
Completed
Righteous Error- A True God. by Errorfics404
#18
Righteous Error- A True God.by Gjf Gyf
What if someone transfers into another world into Error Sans but wait. It's not normal Error it's Righteous Error. What he will do in the multiverse and how he will deal...
A Classic Error by UnderTaleStoryLover
#19
A Classic Errorby SardineSmoothie
In this story Sans gets heart-broken when his au gets destroyed by Error. He loses his brother as well. He meets the Star Sanses who try to help him. But of course nothi...
The strange, the sans, and the possibly (down bad) insane [discontinued] by TheOrangedolphiN
#20
The strange, the sans, and the pos...by TheOrangeDolphiN ver-wattpad
sans was simply sleeping one morning having lived quite a while in his mansion after leaving the underground, he had wanted to simply live his years in peace and keep up...