1 - 20 of 110 Works in Mentioned Papyrus (Undertale)
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At the bottom of the world is a patch of golden flowers. One among them is folding its leaves as if they were arms and pouting.
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Little Nighttales I by MilkIsASauce
Fandoms: Little Nightmares (Video Games), Undertale (Video Game)
28 Aug 2025
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Sans finds himself on a massive ship after a previous..."adventure." The monsters inside want his life, but he just wants to go back. He just wants to survive and go back to the Underground.
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A Little Nightmares and Undertale crossover where Sans takes the role of Six
Series
- Part 2 of Little Nighttales
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It had to have been the humans. An attack, disguised as a friendly visit and the sharing of information. An attack on the Dreemurr line's most valuable cousin, the Lord High Engineer.
But it's too late to worry about that, now. Too late to worry about your reputation amongst the bigoted human nobles, your livelihood as an official and civil servant, or his anger when he realizes what happened...
Your Lord has been drugged, and it will burn him alive if you don't do something.
Series
- Part 1 of Crown and Scepter
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Sans has a nightmare he wishes he could forget. This dream will make things worse not only for Kris household, but also for Sans life from now on.
Series
- Part 2 of Since the beggining
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"Daaad? I has a question." The kid said in that normal child wonder way, words jumbled together as they jumped in place, their little hands grabbing at Sans's pants.
He looked down at the kid, his smile growing at the sight of them, his kid. "What's up, Kiddo?"
"What was mom like?" They innocently asked, looking up at their father- completely unaware of the conflicted emotions that overwhelmed him at the ask.
"Your.. your mom? What she was, uh, like? Why do ya wanna know that?" He scratched the back of his neck, looking away from the kid. That was... a very loaded question.
A question that made his soul skip a beat, both painful and sweet.
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Sans has been talking to the woman behind the door for a little while now. Needing some new material for jokes, he notices the small gap in-between the Ruins door and creates a more interactive experience with her over the course of a few days.
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De-stressing after work with the help of your boyfriend.
(Takes place in the underground)
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"TommyInnit Has a Bad Time (Video Blogging RPF)"... bad time, you say? by InsignificantArtist
Fandoms: Video Blogging RPF, Undertale (Video Game)
21 Jul 2025
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Summary
TommyInnit Has a Bad Time, as the tag and title suggests. (Ft. Sans Undertale)
Series
- Part 4 of cross-fandom crossovers
- Language:
- English
- Words:
- 1,146
- Chapters:
- 1/1
- Kudos:
- 2
- Hits:
- 25
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King Mettaton (and Royal Advisor Alphys) Ending by orphan_account
Fandoms: Undertale (Video Game)
29 Jun 2025
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Your post-playthrough phone call from an old friend. What if Alphys and Mettaton ruled the Underground together? Could it have been a happier ending?
Story is told entirely in embedded text images.
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Five times Sans tried to make you laugh (And one time you finally did.)
Series
- Part 1 of Sans/Reader One-shots
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Basically what the title says. Flowey finds out what the punch card can do on accident.
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Sans and Toriel go for a walk on the beach, and Toriel muses on how much she appreciates her partner.
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Cyberangel - BSD x UNDERTALE by orphan_account
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs, Undertale (Video Game)
03 Mar 2025
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Ranpo is done with the Decay of Angels, refuses to take the case that the government requested a meeting for, took a walk to clear his mind, and ended up at Mt Ebott. It is illegal to climb it, but who cares anyway??? Whilst Ranpo's looking down the strange gigantic hole, Dazai gets teleported as a malfunction in Nikolai's ability.. on top of Ranpo. What could possibly go wrong?
(ON BREAK!!! WILL BE BACK IN UNDER A YEAR!!!)
Tags update as the story goes
Characters are not mine! They belong to their respective fandoms.
oops i forgot to update the location mb uhhh
Souheki current location - CORE
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As the Royal Scientist of the Underground, Doctor Gaster was used to being given various tasks by the king of the monsters, Asgore. The first of them since they had all been sealed underground after the war was to help monsters settle down into their new home. And the second of them had been to establish a more consistent power source for monster-kind. Of course, the Steamworks had originally been developed to do the same thing, but the power it provided wasn’t nearly enough to cover all of it.
Over the course of several years, the Royal Scientist had designed the CORE and had it built, a much larger version of the Steamworks that managed to successfully run power through the entire underground. And it wasn’t even like his position had only been granted to him after being sealed underground, he’d been working for the king and queen for what must’ve been at least a century. Pros of being a monster who’s yet to have children, he supposed.
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A short story about W.D. Gaster prior to falling into his creation.
Series
- Part 1 of Undertale/Deltarune Fanfics
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*kicks down your door* LISTEN! We ALL know what this is about! It's rated E! The title is a body part! THAT'S ALL YOU NEED TO KNOW!
I know, that you expect some well thought-out summary here, but I SUCK at them, so THIS is what you get! Smut, fluff, a sprinkle of angst, you are the top, Sans is the bottom, no penetration, heavy petting, that's it, that's the fic. My god!
*leaves with an ungraceful flourish, while jumping through the closed window* -
The Sounds of Nighttales by MilkIsASauce
Fandoms: Little Nightmares (Video Games), Undertale (Video Game)
13 Feb 2025
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After Sans and Papyrus disappear without a word, Frisk begins to have horrible nightmares. Being the royal scientist, Alphys has started to try to help them. Alphys makes some surprising discoveries and connections, linking the disappearance of the two skeletons to the new nightmares that their human friend began experiencing. Where did Sans and Papyrus go? How can Alphys, with the help of Frisk, get them back?
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A Little Nightmares and Undertale crossover where Alphys takes the role of the Counselor and Frisk takes the role of Noone
Series
- Part 1 of Little Nighttales
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Once-ler and Sans have a chat and it leads to something bigger
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what do you do with a loving feeling if they only love you when you're all alone by grayishaffinity, MinkyMomouuu
Fandoms: Undertale (Video Game)
16 Dec 2024
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tifu by trying to break up with my boyfriend which would have the opposite outcome from what i want
aka mettaton and sans have a discussion! yeah
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The Near and the Dear Ones, the Old and the Young by WrittenNovelty
Fandoms: Undertale (Video Game)
10 Dec 2024
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Day 9: Found Family
An old turtle monster with graying hair settled onto the ground by a low table. He’d pushed the cushioned seats off to the side, finding comfort in the familiar hard stone. He reached forward to grab his teacup, still warm, and breathed a small sigh of relief at the serene silence. The only sound was his breathing and the peaceful waterfalls outside his home.
Thunk, thunk, thunk.
Ah, never mind then.
He smiled wide as he sipped tea and closed his good eye. His home’s door was slammed open, the force knocking much of his cluttered items down. He didn’t bother to see who it was. He already knew.
“Gerson!” She called.
He peeled his eye open and lowered the tea.
He laughed, “Hello, sea urchin!”
. . .
She remained in the open door, pointing at him with a familiar fire in her eyes.
She demanded, “Have you ever heard of Gyftmas?!”Series
- Part 9 of Gyftmas 2024/2025 Advent+
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Error and Nightmare strike a deal, in exchange for Error’s alliance, Nightmare will need to bring him Classic Sans before the new moon.