1 - 20 of 40,879 Works in Sans (Undertale)
Navigation
Listing Works
-
i am the shape you made me. filth teaches filth. by altariart, necropathy
Fandoms: Undertale (Video Game)
29 Sep 2025
Tags
Summary
His grip on the knife tightens until the bones of his knuckles ache.
He should do it. He has to do it.
But all he can see is how small he looks. How tired.
All he can feel is how badly he wants to reach out instead—just to touch him, just to make sure he’s real. Not a memory. Not some cruel hallucination born of guilt and longing.
His hand lowers, only slightly.
His knees feel weak. His vision blurs, not from tears, but from something heavier. The kind of grief that doesn’t cry—it just sits, low in the ribs, thick and aching.
He needs to end it now. This version of Nightmare doesn’t even know what’s coming. There’s no malice in him yet. No corruption. No hatred.
Just a boy asleep beneath a tree that he used to call home.
It’s so easy. It would be a mercy.
And Dream can’t move.
Because no matter what he tells himself—about the stakes, the mission, the cost—when he looks down at his brother, all he sees is the child he failed to protect.
Dream’s mission was clear: assassinate Nightmare, erase the corruption before it ever took root. But standing in the past, blade in hand above Nightmare's throat, he faltered.
-
Tags
Summary
The long running Undertale askblog by MegaFattyEX (https://askfriskandcompany. ), now in ao3 form!
-
Tags
Summary
Years after monster and human society merge, a young monster returns to the Underground with the intention of finding a story to tell. She finds that story in a stack of well loved letters between one Cathode and Mailman.
-
Tags
Summary
A chance meeting with an old pal seems to make relieve Sans of his secrets, and brings back some redacted memories.
Perhaps it’s more than he really should be discussing, especially with how he usually acts in Snowdin, but, hey!
As if it matters.
Series
- Part 1 of The Dr.
- Language:
- English
- Words:
- 4,009
- Chapters:
- 1/?
- Kudos:
- 1
- Hits:
- 5
-
Tags
Summary
Fragile's whole world had been destroyed.
He was now the king of an anhilated ghost town.But who was he kidding, he felt no remorse. Those bastards deserved it.
There was a reason he was still alive, rather it be his damned luck, or destiny, he is going to find out what his life is destined to serve.- Language:
- English
- Words:
- 1,021
- Chapters:
- 1/?
- Kudos:
- 1
- Hits:
- 3
-
Sketchbook Log No.1: Happy 10th Anniversary, Undertale! by FrankieThunderkitten
Fandoms: Undertale (Video Game)
29 Sep 2025
Tags
Summary
Tossing my proverbial hat into the UT 10th Anniversary ring
OR
How I made this sketchbook spread for Undertale's 10th anniversary!
Series
- Part 1 of Sketchbook Logs!
- Language:
- English
- Words:
- 535
- Chapters:
- 1/1
- Hits:
- 5
-
Comic Sans Serif Aizawa; The Karma Hero, Comic by Jay_The_NonBinary_Human
Fandoms: Undertale (Video Game), 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
29 Sep 2025
Tags
Summary
Sup readers, I'm Comic Sans Serif Aizawa and this is my story of how I become the Karma Hero, Comic. Who knows I might get a girlfriend or a boyfriend. Will you guys be watching the show and keeping an eye on us? ;)
- Language:
- English
- Words:
- 1,411
- Chapters:
- 3/?
- Hits:
- 6
-
Tags
Summary
“Sorry.” Kris spoke, automatically.
Asgore, ever kind, doesn’t care at all. “It is no matter. Did I remind you of your father?”
Kris nodded, turning back to the flowers, and patting the ground in a silent invitation, “You sound like him. It caught me off guard.”
Series
- Part 2 of Deltarune
-
Tags
Summary
After the Visitor left behind that angelic abomination who wipe out 90% of humanity, Sam know's that they can't stay in the city. Searching in the former room of Sybil he found the former research of the astronomers and discover a place that was not affected by the visitor, Mt Ebott. He doesn't know why but it seems there is some kind of barrier that keep the place safe during the end of the world.
With only that as his last hope to survive, Sam and his friends go to Mt Ebott but the exalted four find them, taking them one by one until it was only Sam and the childrens.
-
Tags
Summary
Red blares into your eyes as alarms scream, and wail into the air.
Their shrill shrieks mixing with your own wheezing breaths. Even as the helicopter sways precariously, the various vegetation its tangled in groaning and threatening to snap under the immense weight, you still can't find it in yourself to tear your eyes away from your pilot.
Or, rather, what remained of her.
The metal, having come flying off of Runner's copter and straight into yours, painting the cockpit in shades of red and grey, wasn't the only piece to crash through the windshield. But it was the one that did the most damage. Crashing through the window, and sending shards of glass directly into Strong's eyes, the metal had sliced... No, not sliced. That wasn't the right word.
The action was more akin to... To... It, fuck... Her face had the appearance of steak after you force a blunt blade through it; torn, with bits of fat hanging freely, and muscles shredded rather than cleanly cut... crushed bone and blood oozing from what had once been her jaw. The muscles and veins still spasmed and twitched, struggling to continue doing their job.
-
Tags
Summary
He won't let her go. Ever. Even if she wanted to go, he'd rather kill her. And who knows, he might kill her either way.
-
Tags
Summary
In the year 40XX humans and monsters have successfully established colonies in planets far away from our own, in other galaxies. Polaris VI is one of the many missions to deliver supplies to a space station overseeing one such colony. With Cross as the commander, Killer as the pilot, Dust as the medical staff onboard, and Horror as the engineer, this mission should be successful and be back on earth ten years after departure, as scheduled… little do they know this mission will change their lives forever.
Updates every monday!
-
Tags
Summary
Just when her story was about to become a forgotten tale, Queen Toriel Dreemur returns to the Underground. She shall make her way from the Ruins to the Castle, and discover the new order reigning over her kingdom.
What could have pushed her out of her self-imposed exile?
The Monsters would be curious to find out, if something strange and threatening wasn't spreading amongst them.
-
Tags
Summary
After Basil’s death, Sunny runs towards his home in an attempt to end it all, but Aubrey follows him and she prevents him from dying. Sunny tells her the truth and now they have to face it together.
After moving, they find themselves camping until something happens and now the two will travel together in order to escape the Underground filled with creatures that were only believable to see in fantasy books.Notes:
the Undertale tags are there because I want to make an Omori x Undertale fanfic, but there won't be anything related to Undertale during the first two chapters except for some references to Mt. Ebott and its legend, but around Chapter 3 or 4 onward, the Journey through the underground will begin!
So stay PATIENT!Series
- Part 1 of OMORITALE: Fallen Down (Fan-Series)
-
UNDERTALE: Surface Tension by Seraph_UTST
Fandoms: Deltarune (Video Game), Undertale (Video Game)
29 Sep 2025
Tags
Summary
A long time have passed since Frisk led monsters to freedom. Now sixteen, Frisk finds themselves presenting that very story to a class full of humans and monsters
You'll meet Frisk, now sixteen, free from your control, and still carrying the weight of their choices, doing their best to bridge two worlds with kindness and honesty.
Seraph, your new vessel, a quiet, artistic boy of unknown origin who lives with Gerson and looks up to Undyne like a big sister. His drawings are oddly prophetic… and sometimes, he can feel what others feel.
Lapin, a rabbit monster new to the surface and overwhelmed by the change... maybe even a little lonely.
MK, once known as Monster Kid, now a confident chatterbox still idolizing Undyne (and maybe trying to figure themself out).
Vesper, a bat monster with a protective streak and a soft heart they try VERY hard to hide.
Aiden, Seraph’s loud, loyal best friend, a jokester who’s like a brother to him, always ready to stir up trouble or crack a smile when things get heavy.This is a story about what happens after the story ends. About choices, big and small, that shape who we become.
And sometimes… it gets weird.
-
OVERWRITE Aftermath - Chapter 1: The First Domino by OVERWRITEDimp
Fandoms: Sonic the Hedgehog - All Media Types, Undertale (Video Game), Dragon Ball, Five Nights at Freddy's
29 Sep 2025
Tags
Summary
We all like crossovers, right? They couldn't possibly get out of control...right?
After a chain of events lead to Sonic and a few others getting assimilated into the world of XTale, many changes occur as the rules of the Omniverse change to keep itself stable, which sets off a chain reaction that will change reality forever. -
Tags
Summary
On the day of their 13th birthday everyone has a name appear somewhere on their body. A script different than their own, but still familiar and comforting nonetheless. It's said to be your soulmates handwriting and, when you make physical contact for the first time, it's to change to the color or their eyes. Or so the rumor goes. But everyone knows that's just an old wives tale since finding yours is so far and few between.
But then there's Fanchon. What the hell is she supposed to do with 12 soulmates?? At least her odds are better than most...
-
Tags
Summary
It’s winter and the city has been covered by a nice blanket of snow. That means it’s a perfect day for a snow day! How dare Dust not know what a sled is! Time to go to the nearby park and have some snowy fun.
Series
- Part 10 of Lighting up the dark
- Language:
- English
- Words:
- 5,668
- Chapters:
- 1/1
- Hits:
- 2
-
Tags
Summary
You really should try living a little, but it's kind of hard when you're literally Death. The other immortals might be your best shot at happiness, even if it'll probably look really bad to outsiders that the three dark sides of the multiverse's balances are hanging out.
-
Tags
Summary
Sans is hired by King Asgore to explore the uncharted areas of the Underground, places left abandoned and empty due to the passing of time, and report what he encounters. As he uncovers bits and pieces of these forgotten lands, old memories and wounds begin to re-open, as the duo try their best to search for a place they can call home.