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Sans tries a new strategy to save the underground from the being trying to wipe out all of monsterkind. This backfires tremendously when a human from the real world (who doesn’t even know about Undertale) gets transported into his universe. Will this result in friendship, a game of cat and mouse…or The Absolute?
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Papyrus gives springtrap a gift.
- Language:
- English
- Words:
- 168
- Chapters:
- 1/1
- Hits:
- 0
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Life is perfect. Everything you love is safe and secure. That is until you and your family is suddenly hunted down by a mysterious gang out to get you for reasons you can't explain.
Another thing you can't explain? Your dreams. At least, you think they are, but being fallen down certainly doesn't help. Ancient languages and nightmares fight to become your greatest fears. Can't get worse than that, right?
Fortunately, you'll have some help along the way from a pair of skeletons. Even if life isn't what it used to be.
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Please Stand By (I’m Processing My Feelings) by lylabyss
Fandoms: Deltarune (Video Game), Undertale (Video Game)
04 Jul 2025
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What happens when a chaotic, caffeine-fueled TV-headed journalism student crosses paths with an overly ambitious aspiring salesman? Expect awkward conversations, questionable decisions, and feelings neither saw coming.
Spoiler: it’s way messier than either of them expected.
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Run And Fight by Tairmain
Fandoms: Roblox (Video Game), Sonic the Hedgehog (Video Games), Undertale (Video Game), Cuphead (Video Game), The Robloxia: Until Dawn (Roblox), Dimensional Coalescence (Roblox)
04 Jul 2025
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Across the Roblox multiverse, the hunters have become the hunted. Killers from multiple asymmetrical horror games are being pulled into the same collapsing reality—and the moment they lock eyes, it’s a free-for-all.
Oh—and a few unlucky survivors got dragged in, too.
This is a semi-serious crossover: yeah, there are jokes, but don’t get too comfortable. This multiverse is sharp, fast, and fatal.
If you came for killer fights? You’re in the right place. (This summary is partially written by chatGPT because I couldn't care less about writing a goddamn summary)
- Language:
- English
- Words:
- 1,809
- Chapters:
- 1/?
- Hits:
- 1
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Horrortale Sans X Reader
Undertale Sans X Reader
Last you knew you were looking into his eyes as he watched your attempt to kill yourself. Of course, your attempt was futile, seeing as though you couldn't die. You expected it to go on forever until you stopped, but, you definitely didn't expect to be staring into those same eyes, only they weren't the same. He wasn't the same. What happened? Why are you here? What kind of sick joke was this? You weren't supposed to be here, and someone was going to make sure you left.
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This is a Horrortale x reader but for a while, as you will see it'll be also an undertale x reader. There is some sexual tension sometimes but no smut since reader is genderless.UPDATING SCHEDULE IS INCONSISTENT
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Being a scholar struggling with mental health isn't easy. The days feel like they're repeating themselves, and my stomach has been getting an unusually sour feeling recently. But when a student that I've never seen before keeps appearing, the cycle is broken. Who are they? Why is that hood always covering their face? Why are they always wearing gloves? When the student reveals themselves to be a skeleton from another universe, I jump at the opportunity to leave this place and join their gang of misfits. (This story is platonic and the main character is a teenager. Let it be known that this is from an OC pov, but is written in a way that it could be a reader insert, so I tagged it as such. I am not affiliated with any of the creators of these characters, nor do I support some of the creator's actions.)
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What if the player never existed?
What if instead of Kris, Noelle fell into that dark fountain with Susie?
What if Kris has no association with the Knight and knows nothing of the dark worlds?
What if the soul that was desperately needed to seal fountains was Kris's and Kris's alone, yet the human is blissfully unaware of how desperately they are needed? Of the leadership fated for them?
...
Kris watched as Noelle walked out of the classroom with Susie, sighing softly.
Whatever. Honestly...they knew they should care more but...Susie never bullied Noelle anyway....
However...for some reason after that, Noelle and Susie completely disappeared for the rest of the fucking day!?!?! And for some goddamn reason when they came back Noelle is randomly seeking them out and Susie is acting weird as fuck, and they're somehow a lot closer??? And for another unknown goddamn reason Susie WILLINGLY asked to do their project.
What the fuck is going on??????
Whatever. They don't need to be a part of this bullshit. At least Berdly is just as confused as to what the hell is going on with their project partners.
Series
- Part 1 of Deltarune Fanfiction
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So like, Frisk did true passifist and is happy and all that, especially since Clover is alive, but she didn't like this ending as a whole. Because Chara is still a ghost and Martlet(She didn't know her but Clover feels bad for her), y'know. Blah blah. So she TRUE RESET, but without bad intentions, she did everything again but when Asriel was in his GOD OF HYPERDEATH mode type shit, she kindly asked him to bring all of them back to life, instead of just Clover. So he did, and so she got a perfect ending, yippie. This will now be the aftermath of all of that.
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Chara finally tells Sans why.
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shadow milk sucking sans dihh
"my name is two time and i go by they/them pronouns"
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A series of meet-cutes, across a variety of AUs--set in summertime.
First up, Horrorswapfell!
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Take me high and I'll sing (you make everything okay) by Thunder_child
Fandoms: Undertale (Video Game)
03 Jul 2025
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Frisk is turning 18. She'd rather have no one know, but maybe Papyrus knowing won't be so bad.
This is a very self-indulgent fic I wrote for myself at midnight as I was turning 18. If you want to know why the writing is a little all over the place, I was half-asleep when writing. So there. The title is from My Demons by STARSET.
Series
- Part 3 of Undertale Works
- Language:
- English
- Words:
- 956
- Chapters:
- 1/1
- Kudos:
- 1
- Hits:
- 13
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It's been a few months since the prophecy was fulfilled. Susie and Kris have finished Grade 12, and currently they find themselves relaxing at the spot next to the lake.
...It's peaceful.
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Suselle Oneshot. -
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In leviathantale, what if the shiver came together as children, not as adults? And what if they got adopted by two leviathans?
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- 🌫 ₊˚𓆟 ⋆ ˚.༄ 🌫 -
In the echoes of your lungs.
It was cold.
You tried to get back up, you needed to go up.
You take your final gasp of air.
Distantly you can feel yourself burning, like you had gotten so cold the only thing left was a sweltering heat to melt your nerves.
Your last thoughts float away as your body becomes still and gently sinks to the bottom.
Your eyes open.
And the Fifth breathes.
- 🌫 ₊˚𓆟 ⋆ ˚.༄ 🌫 -
Series
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First the dead rise and now SKELETONS? by Fern_butternut
Fandoms: Undertale (Video Game)
03 Jul 2025
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You never thought life in the apocalypse would be easy. Since you were young you always had a plan on what to do in different situations but this. This was the worst.
You grunted as your back hit the wall and you shuffled along it to stay out of sight. The groaning of the dead body around the corner grew closer to where you hid. Why did you have to run out of food and need to run to the store today. -
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"Happily ever after" includes a lot of fumbling and false starts. Chara and Frisk know this better than anyone else.
One of these days, they'll get it right.
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Little Nighttales I by MilkIsASauce
Fandoms: Little Nightmares (Video Games), Undertale (Video Game)
03 Jul 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.
Or
A Little Nightmares and Undertale crossover where Sans takes the role of Six
Series
- Part 2 of Little Nighttales
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They're not friends. They're not frenemies. But when Killer and Dust get paired up for a class project, forced proximity has a way of cracking things open. Not in the romantic way. (Yet). Mostly in the "why do I suddenly want to understand you" kind of way.