1 - 20 of 62,110 Works in Undertale (Video Game)
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With everything they have been together for the last few weeks, Nightmare agrees to let Luna and Honey go out to get supplies for the growing number of residents within the Castle.
Who could have known the dimension the deity sends them to is one that will have past lives clashing and major secrets finally revealed.
Series
- Part 5 of Kaleidoscope
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- Language:
- English
- Words:
- 669
- Chapters:
- 2/?
- Hits:
- 1
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Redemption and Revolution by thevideogameempire
Fandoms: Undertale (Video Game), Undertale Yellow
16 Feb 2026
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It’s done, after all these years, monster kind can finally be free of their prison in the underground. But not all is well. A specter from the past haunts Frisk, and only by learning to move on from the past that never was can they both find peace. Meanwhile, another specter haunts the world. A war is brewing once again between the ways of old, and the way of the future. Dreams of world revolution and a classless society reignite, and soon the world will be divided between those who wish for a brighter future, and those who cling desperately to their own past that never was. Soon, the recently emerged monsters will need to choose what role they will play in this conflict, and what their place will be in the world.
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You’re a 23 year old who’s been living in a mansion you inherited from your Grandmother for a couple of years now. Your days consist mostly of chain smoking, drinking, sleeping, and scrolling. The house is huge, dark, and lonely. One day, out of pure boredom (and NOT loneliness) you post an ad looking for roommates.
ROOMS AVAILABLE— BIG ASS MANSION (no creeps)
What could possibly go wrong?
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Corporate Fallout Vol. 1 Chapter. 1 "Weakest of Today" by EsperSystem
Fandoms: Undertale (Video Game), Original Work
16 Feb 2026
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Quietly, the world came to an end.
Monsters changed. Humans became inflexible. Souls started to shatter.The Angel is regarded as the Strongest of History in a post-nuclear wasteland where emotion determines reality and one's SOUL strength determines their level of power. Undyne is today's strongest. And a red SOUL awakens somewhere beneath it all.
Frisk had no desire to serve as a weapon.
Regretfully, the world has already made up its mind.Series
- Part 1 of Undertale: Corporate Fallout
- Language:
- English
- Words:
- 3,579
- Chapters:
- 1/1
- Hits:
- 1
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Summary
Minutes before the war, Gerson shares a final moment with his human spouse.
- Language:
- English
- Words:
- 1,312
- Chapters:
- 1/1
- Hits:
- 2
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Justice Evolved by The_Spar1an
Fandoms: Undertale (Video Game), Undertale Yellow (Master Sword Video Game), Deltarune (Video Game), Undertale Red & Yellow (Video Game)
16 Feb 2026
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Summary
Clover remembers.
After spending quite some time dead, He finds himself with memories he'd rather not have.
Memories that tell him who he truly is.
Memories that haunt him.
edit: lowkey put me on the stuff I was on when I wrote this summary.
Anyway, basically Clover remembers resets, especially genocides. So he basically remembers how to use his powers from previous runs as well, and then la tee doo dee dum, and bam. Justice Evolved.
If you're curious enough to have questions, maybe read the fic. It'll boost my ego. (please)
(edit 2) Disclaimer: if you want to read for cocoapowder, cocoapowder chapters will be released at a later date. As of this edit, the relationship between Clover and Chara has yet to be explored.
(edit 3) despite "Teen and up Audiences" rating, please note that It's catered more towards 14+ ages.
------------------------------This work will contain Original characters for the sake of worldbuilding, which WILL play major roles in the story.
This is an alternate universe to Undertale Red and Yellow.
This work will be from Clover's POV. (written in first person, not second person, aka "I" instead of "You") -
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Summary
Reader and Sans are exes forced to live in the same house during the holidays. You both have some issues to work through.
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“i would get them myself, but my hands are tide.”
He puts his hands out as if they were bound by handcuffs. A beat. “like the laundry detergent.”
“Oh brotherrr.”
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Summary
Anti error leaves the anti void for the first time
Frisk is misses their friend
Shit happens
- Language:
- English
- Words:
- 409
- Chapters:
- 2/?
- Hits:
- 4
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Summary
On the ice, Cross knows exactly who he is.
Hockey is noise and impact and certainty—early mornings, aching muscles, and the comfort of rules that never change. The rink has always made sense to him. Until one quiet practice, when his focus drifts to the far end of the ice… and to Dream.
Dream skates like the world is holding its breath for him. Alone, graceful, and seemingly untouched by the chaos around him, he moves with a softness Cross has never learned how to name. They share the same rink, the same cold air, but live in completely different worlds—one built on force, the other on trust.
As practices overlap and glances linger, Cross begins to notice the spaces between collisions, the silence beneath the noise. And Dream, used to skating alone, starts to wonder what it would feel like to be seen.
Set beneath bright rink lights and winter mornings, this is a story about two boys moving in opposite directions, until the ice pulls them closer. About finding connection in quiet moments. About learning that sometimes, the most powerful thing isn’t how hard you hit the ice… but how gently you glide across it.
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we can see when the dark sets down by skybluescarf
Fandoms: Xtale - Fandom, Undertale Yellow (Master Sword Video Game)
16 Feb 2026
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Clover meets Chara across several XTale timelines.
A gift fic for wimisoda on Tumblr, inspired by wimi's oreopowder (XChara x XClover) works.
- Language:
- English
- Words:
- 2,775
- Chapters:
- 1/1
- Kudos:
- 1
- Hits:
- 16
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Summary
Self Insert as Papyrus, kinda.
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Dalv has lived a long life, achieved many accomplishments, mentored hundreds of children who grew up to be wonderful adults, and has watched all of his loved ones pass on. In his dreams he can hear the voices of everyone he lost, growing louder the closer he approaches death.
But he cannot go to them. Not yet. He has one last person to talk to.
Series
- Part 1 of reo's corn yaoi mpreg series
- Language:
- English
- Words:
- 2,395
- Chapters:
- 1/1
- Hits:
- 3
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Summary
You're now in highschool, just a normal human except you were raised by monsters.
How will the Bad Sanses (and Error) handle an angsty teen? How will Nightmare keep you on the straight and narrow?
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So, the general idea of this fanfic is that Chara never commits suicide and because of it they are still alive when the other humans come to the Underground.
They still hate humanity, but nevertheless aren't willing to commit suicide as they don't wish to leave their family behind, even if that selfishness means Monsters remain trapped in the Underground.
Then four years into their era the second of the eight humans arrives to the Underground, the one who arrived didn't trust Monsters and had in fact come to confirm whether the first human was dead, the fact that they weren't may be the only reason some peaceful resolution can be attained one day...unlikely, however.
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PANDEMONIUM by Hysterically_Gone
Fandoms: Undertale (Video Game), Deltarune (Video Game)
16 Feb 2026
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Summary
What causes an uproar in the crowds. 𝗥𝗲𝘁𝗮𝗹𝗶𝗮𝘁𝗶𝗼𝗻? The revenge of those who live in poverty? 𝗙𝗲𝗮𝗿?
𝗜𝘁'𝘀 𝗬𝗼𝘂, a princess. The only human princess in all the lands. The humans plead for forgiveness, begging the King and Queen to not take their only hope. Their saviour.
They obligated.
In return she is to be betrothed to one of the Skeleton lords.
* 𝗬𝗼𝘂 𝗳𝗲𝗲𝗹 𝗲𝘆𝗲𝘀 𝘀𝘁𝗮𝗿𝗶𝗻𝗴 𝗮𝘁 𝘆𝗼𝘂 𝗶𝗻 𝘆𝗼𝘂𝗿 𝘀𝗹𝗲𝗲𝗽
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Unwilling to let go of the world and characters they have come to love, the player has chosen to combine Undertale and several AUs into the same world in hopes of finding something new. The antivirus program on their computer does not like this. As such, the characters brought into this world are trapped with their own personal relationships and goals in a pressure cooker environment as the antivirus program does it's best to destroy them.
- Language:
- English
- Words:
- 6,298
- Chapters:
- 3/?
- Hits:
- 14
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Top Warrior! by Thatauthoryouhate
Fandoms: Undertale (Video Game), Fate/Grand Order, Mulan (Disney Animated Movies), Hazbin Hotel (Cartoon), Fire Emblem: Kakusei | Fire Emblem: Awakening, DCU (Comics), Steven Universe (Cartoon), Kill la Kill (Anime & Manga), Final Fantasy XII, Bleach (Anime & Manga), Shin Sangokumusou | Dynasty Warriors, Berserk (Anime & Manga), Mass Effect Trilogy, Helltaker (Video Game), Dragon Age (Video Games), Baldur's Gate (Video Games)
16 Feb 2026
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Summary
Skilled warriors are often sort for their ability on the battlefield. Today, they get to unwind in a more casual test of skill. All while you reap the benefits...
Series
- Part 15 of Top Tournaments
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After watching the eighth human RESET their genocide route ad nauseam, a lone scientist decides to pull in another human, far from their reality, to put an end to the tale. At least, hopefully one other human will be determined enough to stop them.
DoubleLight is based on DoubleTale: Rewritten by XWolf26 on Fanfiction.net.
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A story of a young Ink discovering what it means to be a Protector of Creation, as he finds his place in the Multiverse.
Series
- Part 1 of Reflections in the Mirror