Undertale/Undertale AUs
17 stories
a Cabin filled with Skeletons  by GhibicatWow
GhibicatWow
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Your parents during the Summer would drop you off with your tutor mrs Toriel which they Knew very well, Sans and Papyrus decides to take you to a cabin to meet the other versions of them selves they were about to head back until all of a sudden there powers don't work now how will they go back to there original universe
A Dangerous Love (Underfell Sans x Reader) by Applepie1984
Applepie1984
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I DO NOT OWN THE COVER MAJOR BACKSTORY ELEMENTS ARE DERIVED FROM SOMEONE ELSES TIMELINE THROUGH THE COMIC "HANDPLATES", COMIC DUBS AVAILABLE ON YOUTUBE, NOT BY ME, RECOMMNEDED IF YOU ENJOY UNDERTALE AS A WHOLE. **TW** THIS X READER CONTAINS SEX, VIOLENCE, SELF-HARM AND SUICIDAL THOUGHTS. IF ANY OF THIS TRIGGERS YOU, PLEASE DO NOT CONTINUE. I couldn't take it anymore... I wanted to end my life. She's dead now and I didn't have it in me to help... Watching helplessly as her body drained of blood... That night, I decided. I'd run to the only place that I held good memories of. That we held memories of... I would end my life in the only place I remember being happy... Mt. Ebott...
A Place Of Despair (UF!Sans x Depressed!Reader) by 0Shadow_Child0
0Shadow_Child0
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- Underfell - Life was a waste, superfluous and horrific for a young woman. Hatred for life and, most prominently, hatred for herself have absolutely destroyed her. She's done. She wants to be gone. But it doesn't work- and she falls into a land of evil, with more hatred than even she has. She finds out a terrible truth, and crumples below the weight of her own life. She couldn't end it. But there is a savior, another kind heart, in the world of monsters. Best Rankings: #1in #underfellsansxreader #1 in #underfellsans #1 in #napstablook #1 in #sanstheskeleton #1 in #ufsans #1 in #ufsansxreader #1 in #sansxreader #1 in #underfell #1 in #flowey #2 in #toriel #3 in #videogames #7 in #alphys #8 in #undyne #10 in #mettaton #23 in #papyrus #61 in #xreader Published: July 18th, 2020 Completed: ~In Progress~
My Little Nightmare || Bitty Nightmare (DISCONTINUED) by _CAECAE
_CAECAE
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With Y/N now graduated from high school and now living with her parents, she doesn't have much to do besides work anymore. Her house was always quiet, but there was something off, it was too quiet. After scrolling on Twitter for an hour or so, she comes across these strange small skeletons. Her curiosity piqued as she made what was probably the worst decision of her life.
Belle of the Night (Nightmare Sans x Fem Reader) by PandatheSeahorse111
PandatheSeahorse111
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Based off of Beauty and the Beast. You are living a quiet life when you are forced to flee into a forest to escape a forced marriage. While running, you stumble across a certain someone's castle... Howdy, my darlings! This is Editor Valery. This book was originally written on Quotev. It'd be appreciated if you checked out this book there too! There is a sequel. It'll take me a while to put it on here, so feel free to read the sequel on Quotev whenever. This book was first started in 2019, so the Author Notes from my sister will be old. She doesn't want to change anything, so I'll be the one moving everything here! The Editor Notes will change a bit cause I don't like my notes anymore- Anyway, enough of that. This is a Fem Reader story, so enjoy that. You're all beautiful and amazing and I love you all! Enjoy the book! Mwah!
Blood and Betrayal (Yandere Shattered Dream x Fem Reader) by PandatheSeahorse111
PandatheSeahorse111
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Sequel to Belle of the Night. Five years after your marriage, you are living in the castle with Nightmare and the others. Everything was perfect until Dream became obsessed. Hi, again. Editor Val here. This is a sequel. Belle of the Night is the first book, it's based off of Beauty and the Beast. Please read it first! Thanks! Anyway, these books were first written and published on Quotev, so feel free to read it there if you don't want to wait a few weeks for me to put the whole book on here. Enjoy! Mwah!
Nightmare x reader by Toybonne
Toybonne
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Be my queen Warnings- smut stalking gore blood forced married birth scenes
the golden soul (sans au x reader x papyrus au) (CURRENTLY UNDER EDITING) by xi-star
xi-star
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a golden soul so a exceptionally rare soul that provides great power but comes at a price most monsters thinks the golden soul is a myth but what happens when a monster named (y/n) is born with one and meet sans and papyrus aus will there be romance? --- cover by me, art by me unless I say. undertale belongs to Toby fox (y/n) belongs to me
Darkness Is Nicer Than It Seems (Nightmare Sans x Reader) by Lollipopswirl99
Lollipopswirl99
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(Y/N) had a regular life. A normal job, home, everything. Sure she had her own problems like insomnia, nightmares, and no friends but that wasn't anything to special. Though all of that would change when she finally decides to go over to that very special Gold and Dark tree.
Black and White     (Nightmare x reader????)  by xAnonymousweeb
xAnonymousweeb
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Y/N lives in a world of 2 brothers. Long ago, they were protectors of a tree, one that held both positive and negative energies. Dream, and Nightmare. Dream protected the positive emotions, whilst Nightmare protected the negative ones. These were in the form of light golden apples, and rough looking black ones. Dream was liked and cherished around the kingdom, while Nightmare was often injured by ignorance within the subjects. One day Nightmare got sick of it. He ate a apple. He destroyed everything. Dream and a few allies managed to escape and start their own kingdom. now there are 2 kingdoms. Nightmare's, And Dream's. And this my friends, is where our story begins. I want to give a big shout out to @childofbears for letting me use their unfinished idea! Thank u so much! So thanks for the adoption! The original title was "A Tainted Love" if you wanna check out the original. Y/N = your name. This is also aimed toward a female audience. I would've done they/them, but I was already 5 chapters in, and I didn't feel like changing it. Cover art is not mine, I will make some when I get the chance. This is also an empire verse story.