Undertaleoc Stories

282 Stories

Grouptale [Undertale AU] by FridayHater
#1
Grouptale [Undertale AU]by FridayHater
What if the six fallen humans who died before Frisk never died and instead joined Frisk on their journey through the Underground? It all seems good... aside from Frisk...
<< [Moontale : Earth And Moon Arc] || UNDERTALE AU || First Book >> by Nanaz_Nazmaki
#2
>by Nazma Grace Lambert
! WARNING ! Contains : Violence, Suicide attempts, Blood ------ Monsters race once lived peacefully on Earth with the Human race, but due to some circumstances, Humans d...
ANOMALY V  by Thecrabspilot
#3
ANOMALY V by THECRABSPILOT
This is an undertale au WILL tap into underverse I made veris don't ruin him (please) I seriously had no idea for names for this book Before
Curiosity killed the cat, but Perseverance brought it back by TheEntityL
#4
Curiosity killed the cat, but Pers...by Entity L
A Curiosity SOUL bearer. A very Determined Perseverance SOUL. What could go wrong...? Most characters are OCs of mine and of friends of mine. Any other characters are fr...
Undertale Fallen Determination: Book 1 by CobaltGemini
#5
Undertale Fallen Determination: Bo...by Cobalt Gemini (Jacob Zorn)
What happens when the Fallen Child is not the one to take their life to pass the barrier? After the death of her brother, Chara, escaping her father's anger, finds herse...
Damaged But Never Broken by puddle_of_creativity
#6
Damaged But Never Brokenby iຖk
The lab was all they knew. The Doctor made sure they never got a glimpse of the outside world. But they could dream. Dreaming of the vastness of the sea and the stars. T...
My oc's or something idk by Clucktherooster
#7
My oc's or something idkby Clucktherooster
My oc's. WARNING, MAY CONTAIN CRINGE. Credits to the proper owners of each fandom!
The tale of musical ( Sansess x OC  ) by lillyann2008
#8
The tale of musical ( Sansess x OC...by YandereLillyAnn
" she's like the rest of us " everyone " THAT LILLY! " she's half-skeleton and half-human. A wolf monster is in deep love with her but she does not...
the iron mason - undertale oc story. by xxcloudyy-
#9
the iron mason - undertale oc stor...by ♡𝕃𝟛𝕄𝕆ℕ // 𝕃𝕀𝕄𝟛♡
in which... Mason is the quiet kid. He's shy and misunderstood. He's always been the quiet kid. He's never had a true friend. One day, his class goes to the Mountains f...
UnderSplit by hatlad
#10
UnderSplitby Hatters
An AU of Undertale set in where Monsters have discovered how to split their soul, and conceal it, giving them a second chance at life, and have learned to embed their ow...
Outcast One Shots #4 {Hiatus} by Broken-fnaf-fan
#11
Outcast One Shots #4 {Hiatus}by Artsy is bored.
Cover art by: Shybug×17, Thank you so much love! Welcome to my book of one shots! These one shots will be for my boys, The Outcasts! If you're new, Welcome! The Outca...
UNDERTALE: The c̴̃̚o̵͂̽n̴͒̚t̶̬̒r̸̍̂ŏ̵͉l̶̈́̎ route. by colorsadore
#12
UNDERTALE: The c̴̃̚o̵͂̽n̴͒̚t̶̬̒r̸̍...by color!?
Oh how the tables have turned. -- You, Player, have been selected. You are the chosen one. In the world of Undertale, you play as Frisk. There are three routes you can t...
Completed
GuardianTale by Firstfiestyredhead
#14
GuardianTaleby Mx.DevilHorns
WARNING! This story will contain ~References to grooming and SA ~Violence ~Major Character death ~References to Bullying, Torture, Abuse, and Suicide ~Implied Sexual Con...
The Edgy School-Related Fanfiction I Missed out on as a Child by futzilee
#15
The Edgy School-Related Fanfiction...by Lee
There's lot of Undertale characters in here, but it would be more accurate to call this a Momma CQ (the comic) fanfiction. The main character is an OC of mine and a lot...
Our Journey Home (Undertale OC fanfic) by RainandFaith
#16
Our Journey Home (Undertale OC fan...by RainandFaith
Kai and Felicia are best friends. But when they're vacationing on Mt. Ebbot, Kai falls down, but is still alive. Everyone thought she was dead, so Felicia decides to loo...
Undertale Fallen Determination: Book 2 by CobaltGemini
#17
Undertale Fallen Determination: Bo...by Cobalt Gemini (Jacob Zorn)
After Chara is freed from the Void, reunited with her friend, Gaster, and gone through a Reset of time, she must now help guide young Frisk through the Underground, sho...
𝕯𝖆𝖓𝖉𝖊𝖑𝖎𝖔𝖓𝖘 | UnderNova Au's | Headcanons / Scenarios / Oneshots by NovaCorparation
#18
𝕯𝖆𝖓𝖉𝖊𝖑𝖎𝖔𝖓𝖘 | UnderNova A...by ◤𝙂𝙡𝙞𝙩𝙘𝙝𝙮◢
!The Au's, UnderNova, and characters in this book are entirely my own and were made by me. The cover of this book was made by me. And the pictures that I will use in the...
A Tale Of Tails by BlackRoses839
#19
A Tale Of Tailsby Black Roses
Yeah, I guess I'm doin a leviathantale thing now, even though it's past mermay :/ btw, I don't know anything about this AU, so I'm pretty much just making shit up. Sci a...
OC book by wightehell
#20
OC bookby Whitehell
This is my OC book, that I honestly made only for undertale role play purposes Ps. I don't own the cover!