1 - 20 of 128 Works in Nim (Undertale - Dreamtale by Jokublog)
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Summary
Fate 01's debut as a co-writer of the Multiverse!
...except, they don't exactly have as much control over the plot as they thought they would.
Oh well, it's not like anything could go horribly wrong under the watchful eyes of the Creators!
All they have to do is keep everything together, and it'll all be fine.
right?
glorytothecreatorsglorytothecreatorsglorytothecreatorsglorytothecreatorsglorytothecreatorsglorytothecreatorsglorytothecreatorsglorytothecreatorsglorytothecreatorsglorytothecreatorsglorytothecreators
Series
- Part 1 of Tales From The 6th Instance
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Summary
You’ve all heard the tales of Dream and Nightmare.
Legends whispered across the multiverse—crafted and retold by countless creators.
Stories of their endless journeys through realms unknown, where hope blooms at Dream’s touch and despair follows in Nightmare’s wake.
With each world they visit, the balance of Light and Darkness shifts.
But have you ever heard about THEIR story?
Not the stories shaped by others, but the truth buried beneath it all.
The tragedy that binds them. The pain that forged them.
How the arrival of a single group shattered the fragile threads of fate—changing everything.
If not, sit back. Relax. And grab your bowl of snacks or that plate of food.
Because what you’re about to hear is the story of the Dreamtale Twins.
And it begins long before the multiverse even knew their names.
- Language:
- English
- Words:
- 2,091
- Chapters:
- 2/30
- Hits:
- 16
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~work in progress~ Book 1: Broken souls and mended truth: runaway by MidnightCreatorwreken24
Fandoms: Undertale (Video Game)
13 Sep 2025
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Summary
He was a sin to the heavens and cast him away. Hell didn't want him. He's no longer himself. He's a glitch. But deep inside his hardened soul he's his true self. ~Error~
He was an angel a beautiful one. ~Killer~
He was an exorcist hunting down demons but he fell in love... ~Cross~
He was an demon but was purified with co
~Nightmare~
He was a god (not a real one but one who they worshiped anyways) that's was forgotten who helped keep the world from starving. ~Horror~
He was (is) kind souled. ~Blue~
He's not a true guardian. A false god. He misses his brothers. ~Ink~
He cries for his brother who's gone. ~dream~
If only he listened when he had the chance. ~Fanta Sliverwing (oc)~
"Oh why do you wish to hurt me so~" - bad sanses.
They've suffered. Hurt. Now recarniated. Who will save them now? Will love blossom? Read more to find out. This book one of the series. This is book one. The series will be published all at once. Read notes they are important for each book please and thank you! Enjoy peepers.- Language:
- English
- Words:
- 949
- Chapters:
- 1/?
- Hits:
- 8
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Deity-verse world-building and deleted scenes. by Jesus_fox
Fandoms: Undertale (Video Game)
12 Sep 2025
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Scrapped scenes that didn't make it from the main fic.
"Working through issues with a shunned Die-ty" (pun-intended) will be updated monthly unless something happens to me.
I don't know if it will be at the start, or end, or middle even! Of the month but it will. Episodes of productivity may not apply.
Comments feed my ego and get ideas out faster Idk what to tell you.
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Snap back to reality by PrettyBlueJay
Fandoms: Undertale (Video Game), 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
08 Sep 2025
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Summary
(W.I.P. Things are bound to change)
“Nighty.. what’s that..?”
Nightmare blinked before staring at the child cradled in his arms, looking back up to Killer with a blank look
“Well.. you always said you wanted kids-“
“You can’t just kidnap a kid, Night!”Or
My AU where the bad sanses get transported to the mha universe, turned into humans and then get parenthood shoved in their faces(first chapter will only be headcanons and designs)
Series
- Part 5 of BSP poly moments
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"All my work, sacrifice- and this is what you give back, Nightmare? I saved you. I saved your life. I took care of you, raised you- and this is how you repay me?" His Nan sneered, the branches, growing out of her, covered in eyes, were towering over him.
She snatched the apple out of his hands.
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Summary
VERSIÓN EN ESPAÑOL
Hay muchas maneras de dañar una relación... para los enamorados, podrian ser por mentiras e infidelidades. Para las familiares/ hermandad también podrían ser a bases de mentiras y engaños, pero sobre todo... falta de comunicación. Es en base a esto, la relación entre Nightmare (antes conocido como Moonlight) y Dream se desmorona, y todo empeora cuando su madre solo decide llevarse a Nightmare a vivir con ella. Tal vez, en unos años, ambos se reencuentren y puedan volver a algo parecido a lo que eran antes...
pero...
¿Lo conseguirán? ¿O terminarán rindiendose y se separarán de nuevo?
Series
- Part 1 of Dreamtale stories (Versión en español)
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Summary
No one has heard from nightmare’s gang for some time. Some time as in years. No one knows what they’re doing or what they’re planning. So what’s the problem? There’s no destruction all over AUs, and people are able to feel negativity without nightmare barging in to commit crimes. Dream felt like there’s something wrong though. Together with Ink and Blue(Swap), they investigate what’s really happening. Unfortunately, they will regret that..
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What if Dreamtale had Magical Girls? {Dreammare}⋆˙⟡ ₊˚⊹♡ by NotaTeenDemon
Fandoms: Undertale (Video Game)
24 Jul 2025
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I don't want to spend too much time writing every episode of this make believe Magical Girl show, but my general goal is to make this feel like the pitch of a typical magical girl tv show but the characters keep going off script by swearing and getting a bit ✧˖°. Freaky⋆˙⟡ with each other.
Dream was a normal teenage girl moving into the big city with her twin sister Nightmare. Nightmare had a terrible habit of attracting bullied in the small town they used to live in, so hopefully this will be a fresh start for both girls! But before Dream could even start the year in her new school she becomes a magical girl! 😱
Now it's her job to defend the city along side her new friends Ink and Blueberry! But something dark lurks closer to Dream and her sister.
Will Chaos prevail? Or can Hope stay strong even at the darkest hour!?Find out next episode! Cuz god knows 24 minutes isn't long enough for any progress to be made with how long these fucking magical girl transformations are!
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Nightmares are still dreams too ( Nightmare x reader) by Spibblechips
Fandoms: Undertale (Video Game)
21 Jul 2025
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Summary
Y/n is an exotic person. Keeps to themself and has the wishes to solve an old secrect about the prince's Dream and Nightmare. You always dreamed of leaving your dead end town you lived in. One day you get that chance to get the adventure and solve that mystery you always dreamed of. Now you lead yourself deeper into the rabbit hole. You began to work with prince Nightmare, a prince with purple eyes and the average look of a skeleton monster. Yet any secret he tells you makes no sense and drives you further from the truth about what happened to him or his missing brother all those years ago.
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The townsfolk leave Nightmare in the woods for the Fae, which is the correct way to deal with a changeling. This is a problem for several reasons.
1) Nightmare is said child and he is not a changeling.
2) Since he is not a changeling, there is no Fae coming to collect him. That means he is being left to die, which is marginally bad.Perhaps his only hope is the Fae he’s unwittingly drawn the attention of. It’s risky, but really, he was just betrayed by the town he grew up in, so… he has nothing else to lose, why not?
(In other news, Fae!Nim has acquired a new child.)OR: Fae UTMV AU where Fae!Nim adopts the Dreamtale Twins. That’s it, that’s the fic.
Series
- Part 6 of Fae UTMV
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Hello, my name is Mazy, now that you will be a reader soon, you are known as a Mazyville, I'm nonbinary and go by they/them. My favorite fandom is Undertale and its alternative universes. I write semi-literate so all can understand well. English isn't my first language, though, so don't be too bitter.
I'm not a new writer, but I've never written on AO3 before. I'll be taking requests for any fanfiction Idea you have, not a short, but I'll make a not-so-long story about it. Just comment with your main idea or a summary of what you want your story to be, it can be ANYthing and ANY ship.
READ THE REST OF IT TO FIND OUT MORE!! AND READ THE NOTES!!!
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A au where dream is a scientist experiment with the other sanses:D!(First fic written)
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The weather was colder in Snowdin- far past what it should be for the AU's normal- but it was simply a heavy winter. Nightmare had long put aside the question of seasons underground, he could never get the time or resources to properly look into it and only knowing a little bit of it would drive him mad. Though he hid in the treeline, there was no doubt in his mind that the starved monsters had already taken notice of his presence.
Series
- Part 1 of Homegrown AU
- Language:
- English
- Words:
- 926
- Chapters:
- 1/1
- Kudos:
- 10
- Hits:
- 62
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Somebody That I Used To Know by Ice_Hunter
Fandoms: Undertale (Video Game), Sans AUs - Fandom
02 Jun 2025
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Summary
“You want to break up the Star Sanses?” Blue repeated what Dream had said in shock, standing up from his seat suddenly as if he wanted to argue with him, “Dream, this isn’t a good idea! You can’t fight Nightmare alone, he’ll destroy you. There’s too much negativity, you said so yourself yesterday, and it makes you weak..."
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Ink had done it for the last time. Dream couldn’t stand him sacrificing so many people to save the AUs that made up the multiverse, he couldn’t stand Ink making the Star Sanses be seen in such a bad light that Dream was getting sent death threats. So he broke the group up, even with Blue’s protests and Ink’s surprise. The Star Sanses didn’t exist anymore. He wasn’t Ink’s friend anymore. Blue couldn’t multiversal travel anymore, stuck in the Omega Timeline since he couldn’t go back to his AU. Dream didn’t have people to back him up anymore. And with no group seemingly able to stop people who meant harm and protect AUs anymore… There was a spike in destruction and negativity. The negativity was because of Nightmare, but what was destroying harmless AUs? That was what Dream was going to figure out. Who knew he’d meet someone special to him in the process?
Series
- Part 1 of A Lacune Multiverse
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- Language:
- Русский
- Words:
- 907
- Chapters:
- 1/1
- Kudos:
- 1
- Hits:
- 38
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Summary
After all he knows is destroyed under his own hand, Nightmare is left alone with only himself in a vast Multiverse. Despite his powerful role, he knows little outside his home AU. Now, he must learn and adapt if he wants to survive in a place where he's somehow even more hated than ever before. Is it truly possible to find a place he can really call home when all the Multiverse seems to want is to suppress his existence?
[Tags will be added as the story continues.]
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The Apples don't fall far from the tree. by CoffeeLoverQC
Fandoms: Undertale (Video Game)
26 Apr 2025
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Summary
Dreamtale.
What used to be a cozy, wonderful world, was now destroyed.
And so were the twins that helped create it.
Their bond was destroyed.
And the creators feared that they will bring destruction to the multiverse, whether that be intentional or not.
So, they decided to recreate Nim's beloved kids, creating a new set of twins, while keeping the original alive.
But they couldn't exactly raise these children on their own, they had their own lives to care for.
So they sent them off to one of the guardians.
Dream. -
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Summary
Nightmare becomes mad with power and learns the consequences.