UnderTale AU's
73 stories
Forbidden Friendships by TheKittenWhisperer
Forbidden Friendships
TheKittenWhisperer
  • Reads 131,881
  • Votes 5,780
  • Parts 51
When protector of the Multiverse, Ink, and destroyer of the Multiverse, Error, get tricked into taking part in a social experiment, things slowly get out of hand. When an unexpected scientist realizes who another scientist is experimenting on and gets curious, the creator and destroyer face an adventure they've never imagined. The worst part for them? They're stuck facing it together in order for them both to get out alive. When two of the Multiverse's biggest enemies are forced to rely and trust each other, will they manage? Will their own beliefs lead to their demise? Or will an unlikely, morally forbidden bond grow and blossom? Read "Forbidden Friendships" to find out. ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• For those who don't know, this is an Undertale AU story that does contain sancest shipping and fluff. Also, all characters in this story belong to their rightful owners, and the original game of Undertale all characters are based on belongs to Toby Fox. .-Story Status: Completed-. Finished this story already and want more? Read the sequel "Forbidden Experiments"!
incorrect Undertale quotes  by -Berri
incorrect Undertale quotes
-Berri
  • Reads 85,355
  • Votes 4,335
  • Parts 132
Most of them are stolen from Tumblr Edit: How are people still finding this story I-
Inking Love  by nneverendingg
Inking Love
nneverendingg
  • Reads 107,971
  • Votes 3,346
  • Parts 14
Ink x Error Cover by: @mariexhood WARNING: I made this when I was first getting into the fandom, so a lot of things don't make sense. Also this contains MEGA CRINGE Highest Rank: #64 in Undertale
Bad Girl. ErrorInk by Skully-The-Author
Bad Girl. ErrorInk
Skully-The-Author
  • Reads 31,213
  • Votes 1,553
  • Parts 42
Cover art belongs to @trixielovesick Ink is a badass that has pretty much owned the school since seventh grade. She takes no shit and isn't afraid to hurt anyone. Until she meets Error. The new kid that seems to be quiet and keeps to himself. She takes a liking to him quickly. As Error tries to change her heart, she has to keep her home life a secret in fear that he'll find out how she got to be so angry. This story contains abuse, rape, sexual innuendos, self harm, and mention of death and murder. If you do not like this. Don't read it. It's that simple.
Spirit Animals  by yourfavinconvenience
Spirit Animals
yourfavinconvenience
  • Reads 102,249
  • Votes 3,729
  • Parts 35
An Au where each person's spirit animal matches with their soul mate's. A Chemical can help determine who's spirit animal is who's. But when an experiment goes wrong, the skeletons are stuck together in a destroyed Au. What gonna happen now?(I honestly don't know yet either lol) If ur cringey and u know it clap ur hands. ClAp ClAp If u suck at writing but u do it anyways clap ur hands. cLaP cLaP If u suffer from fan girl syndrome that has no cure if u ship anyone and everything clap ur hands. cLAP CLAP This is gonna be an incredibly cringey sanscest story. I also am adding myself in, because I'm the author and I cAN SO SHUSH.I just needed to do something with all of my ships. Be prepared for CRINGE OVERLOAD, slow updates, bad plots, bad grammar and other stuff. Enjoy?
Sanscest Oneshots 2.0 (Currently Not Taking Requests)(Hiatus/Discontinued) by OnceTheChildOfAGroup
Sanscest Oneshots 2.0 (Currently Not Taking Requests)(Hiatus/Discontinued)
OnceTheChildOfAGroup
  • Reads 143,336
  • Votes 2,523
  • Parts 32
lol, I'm back at it again m8 All characters belong to their respective owners.
crossmare oneshots by soulless_hope
crossmare oneshots
soulless_hope
  • Reads 35,763
  • Votes 900
  • Parts 8
I felt like it so here we go
Chosen (Multiship) by Zenith_Writes
Chosen (Multiship)
Zenith_Writes
  • Reads 31,617
  • Votes 1,550
  • Parts 29
12 elements. 12 chosen few.
Fragile (AfterDeath) by CelestialMidnight17
Fragile (AfterDeath)
CelestialMidnight17
  • Reads 20,661
  • Votes 791
  • Parts 16
"Can't you let me break your walls down....?" "....if so....please....let me love you..." ".......Angel?" "......I'm Fragile...." *Please know that some of the chapters will contain attempted suicide, self-harm and violent actions such as abuse and as well as really high angst involved so if you are sensitive and uncomfortable about these topics, please do not read it and do not report it as well since you have already bean informed about what this book is going to be about! Your discretion has been advised! Thank you!* -Hey! If you wanted some angsty AfterDeath, you've come to right place! Anyway...This is where Reaper and Geno comes to the conflict of where Geno wants to love someone yet fears that he would be abandoned and be broken again since...well...keep reading if you wanna find out. Geno would not imagine what death would feel like only to find out how death was really feeling towards him. And from that, prepare for some angst.
Painfully Obvious. [Fell Poth || REWRITTEN] by ruby-rxse
Painfully Obvious. [Fell Poth || REWRITTEN]
ruby-rxse
  • Reads 34,621
  • Votes 1,380
  • Parts 21
"Sometimes the right one is so painfully obvious it's as if they're jumping and waving a sign at you." After years and years of abuse from Palette, Goth decides to leave. At first, Palette takes this as an opportunity to fuck around. But when he runs into Goth again, who this time is not alone... He has a plan to get him back.