1 - 20 of 25 Works in Alternate Universe - Horrorswapfell (Undertale)
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Summary
A series of meet-cutes, across a variety of AUs--set in summertime.
Chapter 3: Underswap
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Undertale fics I'd like to see plus Dreams I had by VeeVeeTheArtist
Fandoms: Undertale (Video Game)
13 Sep 2025
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The title says it all. IDK if this is appropriate to post this. Hopefully this is ok.
Anywho, this is about ideas I like to share because I highly doubt I'll ever write them. I super duper enjoy the fan fiction side of the fandom and hope this is taken well.
There is no set update schedule. Just random posting. Comments are welcome and I'll try to reply to them all.
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She shouldn't have left the house. She knew she shouldn't have left the house but she still did. The sirens went off and now the only place she can hide in the bathroom at Ebbot Park.
How long can she keep the monsters at bay for? And worse...she's not even sure they want to eat her anymore. So why are they still here?
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Y/N wallow, an deadly abomination that's battled against even deadlier opponents. I've both been the luckiest and unluckiest person in the world, luck always runs out eventually. I suppose its my own fault, I let my guard down and that caused my death. And now, after making a deal with a bored deity, I'm living in a glorified dating sim and I'm the main antagonist.
Will he survive this new world? Or will he be trapped in an eternal time loop of death? Only time will tell. -
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Life was never very kind to you, but you never really knew any other way. You just tried to stay as quiet as possible and out of the way. You thought you were being good, you thought your parents loved you.
But you soon find out they don't, and their final betrayal changes your life completely. -
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Blue had ever planned on anything like this.
You were his and his brother's mistress, but now. Thanks to that damned machine, he has to share you with so many others... Can everyone keep it a secret? Though, Mistress doesn't like secrets, but they have many of their own. -
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You’d never seen a rotter that could talk.
They were mindless, hungry predators, nothing more, nothing less. The dead didn’t have names, or brothers, or eat spaghetti. Yet, here you were, trapped in the woods with eight of these strange infected by a huge metal wall that ran for miles.
You didn’t survive in one hell just to die in another. It didn’t matter how much you were hunted, you would survive to see another day. You would survive to see your sister again.
Let them come. Armed with nothing but your wits and a rock, you were ready.
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You’ve been kidnapped. Along with a few others and taken to a ghost town in the middle of a desert. A desert that was once a beautiful forest until the mountain had been mined. An abandoned mining town below Mount Ebbott where people seem to just vanish even to this day. So far out that no help could reach you so no one dares. Only armed with an antique mood ring that seems to even glow near mysterious skulls you’ve been finding. Also the strange eerie calm of knowing that you were meant to come here despite the circumstances. The kidnappers have a sadistic plan on making a snuff film with all of you the victims… Little did they know that by setting up camp in this old mining town they would be included.
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After a Napstaton concert, you and your husband, Papyrus, are on the train journey home, with his brother, Sans, and a group of your friends. You were expecting an uneventful end to a fun day, but Papyrus has other plans. And well, who are you to say no to your loving Soulmate? All you know is that you're always up for a good time with Papyrus.
Series
- Part 4 of Rabbit!Papyrus
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Horrorswapfell Sans can't wrap his head around a fucking breakup.
Series
- Part 1 of Bitter Endings
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A disorganized series of drabbles for skeleton-lovers, almost definitely bound to be cavity-central.
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Now updated with links to AU descriptions for uncommon AUs!
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SkeleFucker Kinktober Collection and excerpts by SketchyDyslexic
Fandoms: Undertale (Video Game)
02 Dec 2023
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Kinktober 2021-2022-2023 is here, and so are some horny skeleons!
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the reader can be male, female or unspecified (based on the chapter you are reading of course) :D
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There is absolutely no rape or dub-con, there *may* be con-noncon.
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All the characters are based on my versions, such as the 'home for lost souls' boys or the 'a tyrant and an addict'. even the AU's that aren't in the canon story line of either of them, because this is a spin off series and not at all canon to my previous works.
not only kinktober but also any short sexy time works i make as well. -
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Summary
When a beam of light shot out from the ground of an isolated backyard, the residents all startled and rushed to see what could have caused this incident. Perhaps the machine had malfunctioned again? Maybe it was something else entirely. Whatever had happened, it caused a group of figures to start moving to the source of the explosion.
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A NSFW version of my previous work "Stay".
You wake up ready to start the day, but your skeleton monster boyfriend has other ideas and is willing to do anything to convince you to stay in bed with him. Don't worry though, he'll make sure it's worth your time.
Series
- Part 2 of Rabbit!Papyrus
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You wake up ready to start the day, but your skeleton monster boyfriend has other ideas and is willing to do anything to convince you to stay in bed with him.
Series
- Part 1 of Rabbit!Papyrus
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You work for a semi-professional kitchen/catering in an upscale grocery store when you are introduced to two terrifying new co-workers. The rest of the crew at first were being jerks about them and their… appearance… but you'd have none of it and helped them get straight to work. You knew you'd be seeing skeletons around ever since your cousin sold the big spooky lodge to a bunch of them. Time to be hospitable folk like you're supposed to be living in a small town… oh… these two seem to have a problem with eating the spoiled food… you'll just have to treat them to some lunches the poor dears.
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Y/N was a single dad. A scientist. And... Kind of an asshole. That's okay though, he tries his best (most of the time).
Being forced into a job he hates and to resolve an issue between humans and monsters Y/N is thrown into a mess of skeletons, lies and bad choices.
The skeleton brothers didn't realise what really went on behind closed doors until you showed up at their property. Proving them all wrong about this seemingly safe world.
Stay safe, don't die and remember, Scientists Don't Always Get Along.
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Blood In The Water by SilverSnap420, TheGreatTigerGoddess
Fandoms: Undertale (Video Game)
12 Apr 2021
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"A cruise to remember!"
Yeah, it definitely was for (Y/n) and the other passengers on board. This was totally not what she signed up for when she took the job nor was it these skeletons that were hunting her down at every corner. Damn, and here all she really wanted was to enjoy at least one day at the spa. -
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You know, being a Lamia isn't bad, but skeleton Lamia? In this AU? Well, I would say I am screwed, but being three times the size of a gorilla makes me think otherwise. Especially since I can apparently use photosynthesis to prevent myself from starving
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(n.) A deep connection or attraction to skeletons. Totally not a word i made up, no siree.
A collection of one-shots and drabbles or inspired by different prompts. Thirty six different stories for eighteen skeletons.