C0deta1e an Undertale AU - Equanox - Wattpad

C0deta1e an Undertale AU

Reads 22,077
Votes 1,052
Parts 43
Time 5h 3m

Reads 22,077
Votes 1,052
Parts 43
Time 5h 3m

This is the story of C0de Sans, and how he came to be. 

WARNING It is very possible that this story may take some dark turns in the future, and there will be use of strong language. It is advised that readers are prepared for more sensitive subject matter and are not too squeamish about graphic depictions of violence and other such content.

I do not own any rights to Undertale or any of the AUs or characters other then C0de and Zer0 from my own AU C0deta1e.Creative Commons (CC) Attribution

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43 parts

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Daybreak [ Error!Sans x Reader ] by morrow-

Gone. In a single moment, in the blink of an eye, everything you have ever known or cared for is eradicated. Hopes and dreams, traditions and stories that date back centuries have been erased without thought or care. Nothing matters and no one will ever live again to pass on the memories and stories of what was lost. Except you. You are the anomaly, the glitch that survived when all else could not. When your universe was destroyed, you found yourself stranded, alone, afraid in a white world without end. But there's little time to rest when you discover that your universe was merely a grain of sand on a much bigger ocean. Whole other worlds thrive in different plains of existence, and they're all going to war. In a desperate power-struggle for the upper hand, you find yourself an unlikely ally. The future seems certain, chaos will win and the universe will be plunged forever into violence and bloodshed. And it will take a lot more than a miracle to win.

multiplayer by LittleEggyEgg

more people have fallen. (This story is being rewritten)

Sans AU's Random Oneshots by VermilionGust

As the title states, these are random oneshots involving Sans and his AUs. Feel free to read at your will. There's no regular update schedule for this since I may get lazy at some points. Also, I am a big multishipper who likes making my favourite characters be the submissive ones no matter how powerful they may be. Warning: There will be stories that contain or mention topics such as depression, suicide, death, insanity, etc. None of the art is mine. They all belong to their respective owners. Also, all of the Sans in this aren't mine and belong to their creators.

Your Fault ~ Underfell Fanfiction by DragonzRawesomE

{COMPLETED} Sans' life isn't easy, and living in an Underground society filled with torture, rape, and murder doesn't make it any better. Every single day is a struggle, and Sans tries so hard to fit in with other monsters and live up to his brother's standards, but sometimes it's just too much. Will Sans be able to pull through, or will the darkening thoughts that are engulfing his mind and Soul take control, and swallow him up into a void too deep and dark to ever imagine? DISCLAIMER: UNDERTALE is owned by Toby Fox. UNDERFELL belongs to the AU Community. COVER IMAGE edited by me. I do not own the original image. PLOT/STORYLINE belongs to me. The events in this story are not canon and are simply for the entertainment of myself and my readers. Any OCs mentioned in this story also belong to me. MATURE CONTENT WARNING: The events in this story contain mature content that some readers may find triggering and/or disturbing. Read at your own discretion. Thanks!!

A Dangerous Love (Underfell Sans x Reader) by Applepie1984

I DO NOT OWN THE COVER **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...

Depressed Error by Skully-The-Author

My Fault - Underfell Fanfiction (Sequel to Your Fault) by DragonzRawesomE

{COMPLETED} It has been just two weeks since the event that changed Papyrus' life forever. Too late, it seems, he realized what he had. And now that it is gone, he has fallen to pieces. How, or if, he will be able to cope, he truly does not know. And as if that wasn't enough, there are countless mysteries in store for this burdened skeleton-- coming from people he thought he could trust, and in places he thought that he knew. Will Papyrus ever be able to solve the mystery behind this devastating chain of events? Or will he, too, fall prey to the ever-expanding void that is engulfing the souls of himself and everyone around him? PLEASE NOTE: This book is the second in its series. It contains major spoilers to the first book, as well as this book may not make much sense without having read it first. So, if you want to keep the excitement of the first book without any major spoilers, I HIGHLY suggest going and reading that first. It is titled Your Fault. DISCLAIMER: UNDERTALE is owned by Toby Fox. UNDERFELL belongs to the AU Community. COVER IMAGE edited by me. I do not own the original image. PLOT/STORYLINE belongs to me. The events in this story are not canon and are simply for the entertainment of myself and my readers. Any OCs mentioned in this story also belong to me. MATURE CONTENT WARNING: The events in this story contain mature content that some readers may find triggering and/or disturbing. Read at your own discretion. Thanks!!

[Sansxreader] A Whole New World *UNDERREVISION* by Mousington

UNDER REVISION (Check out Memories!) BTW- Sans is human in this. The story will explain. He has a sister named Chelsea and he is your "cousin".This story contains legal age drinking, a hint of suicide and might have a lemon if I decide to write one. Idek (Future me here, fyi- I'm not writing a lemon EVER in my defense I didn't know what they were but my friend said to put that soooo....) [^well variety IS the spice of life soooo };) I might...] ENJOY

Error; Across the Multiverse (InsomniaSwitch/Fandoms/AU) by RainbowFluff24

(Cover is my Bobo drawing of the story I guess) when ink and nightmare came out to their groups, everyone was supportive... well besides some.... Especially Error who was that one since before when he asked... they laughed and said why would they? they aren't ones for that.... ink was more understandable since he doesn't feel much... When he was about to disappear, he was pulled away.... (this is a backstory to my BalanceBreak AU I guess? <-Ignore this cause you won't understand why... It's a reminder to me)

You'll be home by unmention

After helping horror leave the bad sanses, swap sans takes horror to an au where no one can bother them and where they both can live a peaceful life for a little while. I want something different no babying!! he's not blueberry and blues probably the same height of most of the sanses in the multiverse maybe a lil taller not rlly idk Horrorswap. HORRORSWAP 🙇 Possible Errorswap in the future or swap x dream 😏 there was no proof reading whatsoever if there's a word that's spelled wrong don't mind it there's so much more errors that will happen :p I do not know how to write properly and I struggle to focus so the chapters may be super lame or out of character.

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Slide 1 of 10

Daybreak [ Error!Sans x Reader ] cover

multiplayer cover

Sans AU's Random Oneshots cover

Your Fault ~ Underfell Fanfiction cover

A Dangerous Love (Underfell Sans x Reader) cover

Depressed Error cover

My Fault - Underfell Fanfiction (Sequel to Your Fault) cover

[Sansxreader] A Whole New World *UNDERREVISION* cover

Error; Across the Multiverse (InsomniaSwitch/Fandoms/AU) cover

You'll be home cover

Daybreak [ Error!Sans x Reader ]

Gone. In a single moment, in the blink of an eye, everything you have ever known or cared for is eradicated. Hopes and dreams, traditions and stories that date back centuries have been erased without thought or care. Nothing matters and no one will ever live again to pass on the memories and stories of what was lost. Except you. You are the anomaly, the glitch that survived when all else could not. When your universe was destroyed, you found yourself stranded, alone, afraid in a white world without end. But there's little time to rest when you discover that your universe was merely a grain of sand on a much bigger ocean. Whole other worlds thrive in different plains of existence, and they're all going to war. In a desperate power-struggle for the upper hand, you find yourself an unlikely ally. The future seems certain, chaos will win and the universe will be plunged forever into violence and bloodshed. And it will take a lot more than a miracle to win.