1 - 20 of 115 Works in Waterfall (Undertale)
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“I’m not here to stop you.” He stated flatly, hardly trying to actually convince him.
“Bullshit. Then why are you here?” The dust-covered monster interrogated him, completely done with his sporadic visits. But, instead of receiving a clear answer, he only got a shrug.
“What’s your favorite color?”Series
- Part 1 of Friable!UTMV
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Perseverance.
Definition: persistence in doing something despite difficulty or delay in achieving success.
This is the story of the fourth human to fall into the Underground.
"My name is AVERY–"
Series
- Part 2 of Undertale/Deltarune Fanfics
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Spamton and Tenna have lived long among the rubbish of waterfall and they have tried together to create a life together. Though the passage of time has worn at Spamton's hopes that any change is possible. With a little flicker of the possibility of a better future given after finally receiving help, they find a change in their renewed passion.
(A UT|Trash heap Spamtenna au 'getting pregnant after years of trying' fic. Implied pacifist run of Undertale) -
The More You Know! by WhatamIDoing_GoodQuestion
Fandoms: Undertale (Video Game), Deltarune (Video Game)
11 Nov 2025
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Twice did Seam hear about this strange door from their friends, a door that appeared in a hallway that wasn't always there. Only once did they see that door, and only once did they enter it.
That's how they met The Man.
Like a 5+1 thing but it's a 2+1 instead because that's all I could come up with.
Series
- Part 3 of Darkners? How About Monsters!
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At first glance | Errorink - Error x Ink by my_own_new_paradise
Fandoms: Undertale (Video Game)
09 Nov 2025
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Humantale is the only Alternative Universe where Error could feel free from the glitches, but also, was the only universe where he could be himself.
And perhaps… Find love…
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Existe uma história que todo mundo conhece, uma que não precisa ser repetida. Mas o antigo misturou-se com o novo, dando à luz uma obra composta pelo imutável e por aquilo que mudou. Oito humanos caíram. O primeiro foi perdido, assim como seu irmão. Mas último não era mais o mesmo. E um dos outros seis era um pecador. A história que todo mundo conhece ainda existe, mas mudada. Transformada. Não é mais a mesma história, mas, ao mesmo tempo, é. Medos antigos e memórias ruins transformaram-se em agressividade e raiva. Certezas e fé transformaram-se em dúvidas e receio. Uma jornada difícil transformou-se numa jornada ainda mais difícil... mas muito mais recompensadora.
E com tantas coisas iguais misturando com coisas transformadas, eu não consigo não me questionar: o que mais vai se transformar? E o que se tornará?
Series
- Part 1 of AnotherTale
- Language:
- Português brasileiro
- Words:
- 7,971
- Chapters:
- 3/?
- Hits:
- 7
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The One Where They Walk Home by Whipple
Fandoms: Undertale Yellow (Master Sword Video Game)
29 Sep 2025
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Five times Starlo walked Dalv home to his cozy Snowdin cottage, and the one time Dalv returned the favor.
(In which two monsters, while walking home, neglect to realize they’ve already found home in one another.) -
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"You never know." You shrugged and flopped down on the grass beside our oak tree. I lay down beside you, letting your arms drag me closer and wrap around my torso. Our chests rose and fell in tandem. Above us, the stars stretched far into the pure black sky. They seemed to be shining brighter than ever.
A series of letters written from human Spamton to monster Tenna leading up to the Human-Monster War
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DELTATALE: UNDERRUNE by J88888888
Fandoms: Undertale (Video Game), Deltarune (Video Game)
21 Sep 2025
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the fun gang get dropped into random spots in undertale
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—a message to flowey, delivered via echo flower.
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A hint of yellow in an ocean of blue by FernShaw
Fandoms: Undertale (Video Game), Undertale Yellow
23 Jul 2025
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After the death of Clover, Martlet has to announce to Undyne that she no longer wishes to be part of the royal guard.
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Another human falls, tumbling face-first into the damp rot of Waterfall. When they call out for help, nobody comes— only the weight of something dark and heavy, locked just behind their racing heart.
No tutorial. No resets. No mercy.
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Why write something positive when you can write about your favorite ship when the other one is dead? I feel like this idea has been used many times before but I wanted to try it myself.
I wrote this to practice and I'll probably write a lot of one shots to improve my writing.
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They hadn't meant to hurt anyone; it was self-defense. That's what they'd told themselves.
Against his will, Axis puts an end to that thinking.
Chujin is left to pick up the pieces.Series
- Part 3 of AXIS Model 014
- Language:
- English
- Words:
- 788
- Chapters:
- 1/1
- Kudos:
- 18
- Hits:
- 208
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A prequel Undertale story, starting off with the patience soul! This is her fall and introduciton to Toriel.
Series
- Part 1 of Clichetale
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Nous sommes dans l'AU de Undertale : Disbilief Papyrus.
Au cours d'une route génocide, Sans se met en travers de l'attaque de Frisk, se la prenant au passage et téléportant son frère à Waterfall avant de mourir, Undyne patrouillant à Waterfall pour y intercepté et tué l'humain, va trouvé un Papyrus dévasté...
- Language:
- Français
- Words:
- 1,206
- Chapters:
- 1/1
- Kudos:
- 5
- Hits:
- 42
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"Okay..." his voice wavered "Well, I got this feeling at the back of my mind, a very new and strange feeling"
The skeleton played with his mittens, calming himself down, making it all easier. "The feeling... as if nothing matters..."or
Depressed Papyrus tells Sans about his feelings.
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i'm gonna clip your wings, cut your strings, babe, you won't feel a thing, now that you're feelin' tall, why don't you fall?
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weapon & accessory.
a plastic toy knife and a faded red ribbon.
Series
- Language:
- English
- Words:
- 1,269
- Chapters:
- 1/1
- Kudos:
- 8
- Hits:
- 498
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Zakkie has always been a lonely lizard. She never made many friends other than her childhood friend Batty and her little brother MK. She was used to this by now but suddenly one trip and a fall of someone that’s not even her ended up changing her entire underground life forever.
OR
I finally make a fanfic of my silly Undertale OC :P
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Eloy & Ilias | Errorink - Error!Sans x Ink!Sans by my_own_new_paradise
Fandoms: Undertale (Video Game)
05 Mar 2024
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Error felt so much boredom and monotony in his life that he needed something new to fill him with life.
He began to travel through the different alternate universes to investigate which were the most susceptible and possible to be eliminated in the future, until he arrived at Humantale and things were no longer the same...