18 Works in So Sorry (Undertale)
Listing Works
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Glitchtale Unused by HenryEntertainmentSystem
Fandoms: Undertale (Video Game), Alternate Universe - Glitchtale (Undertale) - Fandom
26 Sep 2025
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What happens when you push the boundaries of the world as far as possible?
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It started as just a soulmate AU and quickly spiraled out of control.
I didn't mean to write another dark story but I can't help it!
Oh goddess, help me!
-EY
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- Part 1 of Soulmarks
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Derringer is the queen's Enforcer, but not by choice; the Underground is underneath a tyrant's thumb and no one seems to be able to defy her except him... and even then it has led to his personal suffering as he tries his best to stay between the tyrant and the innocent monsters she wants to dust for her own amusement or stupid whims. He knows that he cannot keep up this forever and his brother, second to Captain Alphys of the Royal Guard, could be left on his own if ever the tyrant had reason to dust him. One day, while on his way back from the usual day in court, he comes upon a strange monster in need of help ...
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- Part 2 of Fellswitch: Fate
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A change in the timeline alters the course of history, and now the child falls into an Underground transformed by a ruler's iron fist of justice. Assisted by (and playing unwilling therapist for) the mysterious "Voicey" inside their head, they must navigate this dangerous new world and unravel its mysteries. Perhaps their journey will change them. We shall see.
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Úñd3ŕßç0r3 is about a world where Temmies are evil, Mettaton is converted to murder, and Sans is an angsty teenager who scams people and bullies them, too. Enjoyyyy :)
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$$ can't find her way home neither
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ECHOFALLS by RubyHobbit
Fandoms: Undertale (Video Game), Underfell - Fandom, Flowerfell (the original)
18 Jul 2022
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ECHOFALLS is an Undertale AU based off of UNDERFELL and the ORIGINAL FLOWERFELL. if you don't know FlowerFell is actually not a FRANS AU and was taken down because people didn't want to do all the work that I am doing and create a new AU with its own story and have its own ending and its own lesson to get what they want and instead decided to just change a little of the story and make Sans (someone in his 20s or 30s) date Frisks (who in the story was at most a teen but probably still 10). Why I don't know maybe they have a competition with Sans or something. I however feel that is horrible and wrong and I want the creator to know that their story is still theirs and hopefully bring the original back.
The ECHOFALLS AU is an AU where two twin girls fall down a Chasm and wake up in the underground at different times. Both of which change the underground forever. Every time either of them dies a blue echo flower grows on them and has an echo of the last thing that was said right before they died if someone interacts with them. We start with one but end with another, will they be free or will they remain underground in eternal silence and slumber forgotten by the Humans above. -
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Sans is a normal skeleton, that's what he thought. After his serial killer brother, Bundy, returns all hell breaks loose.
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Scribble Scribble, Lots of Bother by Ononymous for CoramDeo
Fandoms: Undertale (Video Game)
31 Jul 2020
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A passionate artist can put a bit of themselves into whatever they create. When this leaves the realm of metaphor, troubles emerge. Sorry.
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Neutral ending time, folks! Queen Toriel has returned to rule, but things are never smooth for a new ruler, especially when times are grim. Conflicting ideologies threaten to tear apart the Underground... and at the heart of it sits the royal scientist, staggering under the weight of her secrets.
Things may go in unexpected directions, so if you want to enjoy this story to the fullest, I suggest not reading the tags.
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Juggling the burden of forgetting about his past, Sans is trying to cope with his life of nihilism. This is all made complicated when Frisk falls into the underground and a fallen child named Chara is attached to her soul. Is Frisk the key in helping monsters go free or will she leave the underground in a trail of dust?
Series
- Part 1 of Delta Saga
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Best Or Most Interesting Crossover Ideas! by JaseekaDarkblade
Fandoms: Undertale (Video Game), Camp Camp (Web Series), Tom and Jerry (MGM/Hanna-Barbera), The Room (2003), Detroit: Become Human (Video Game), SpongeBob SquarePants (Cartoon), Multi-Fandom
25 Sep 2019
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Well... like the title says! Lol :->
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DoctorTale - An AU where science rules by Doctor_Smirnoff
Fandoms: Undertale (Video Game)
06 Apr 2018
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It started with a relatively simple shift, many many years ago. And from there, a great many things began to change throughout this particular timeline. Some characters are absent during the events of the main story, while an old friend with a new face rules the Underground. The Prince pulls double duty as Royal Scientist, and under his rule the Underground has been focused on scientific progress. After all, there has to be another way...
Into this high-tech panoply of despair, one last human falls. Those who climb Mt Ebott are said to never return. You wonder why exactly that was, as you enter the cave. You can't help but feel like you've been here before... As you approach the hole, you fail to see the old root as your foot snags on it. The hole seems to rush towards you as you fall into the depths of the Earth. ...why is this so familiar?
[Name the fallen human]
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Ajin/Undertale Crossover Drabbles and Oneshots by DragonPrincess101
Fandoms: Undertale (Video Game), 亜人 - 三浦追儺 & 桜井画門 | Ajin - Miura Tsuina & Sakurai Gamon
31 Mar 2017
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What it says on the title...Also I'm think of making the complete crossover...so this is just a list of idea pieces and oneshots
(Warning: NOT IN ORDER)
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When the monsters were freed from the underground, they could all have the lives they had always dreamed of. And Frisk finally had a happy family again...
This is the fluff, the whole fluff, and nothing but the fluff.
Every chapter will be a short, happy snippet of life in the surface world where Frisk, Toriel, Sans, and Papyrus live together. Maybe a little hurt/comfort but nothing depressing, I'm mainly interested in writing happy monster family fluff.
If there is a chapter with some drama in it, I only do it to make everyone even happier afterwards and there will be a warning before the chapter. (The finale chapters are by far the most dramatic and not quite in the same style as the rest of the story, but once again: only to create more happiness.)
Romance is not the main focus, but there will by Alphyne, eventual Soriel and slow burn Papyton.
Turns into more of a "real story" with longer chapters instead of a collection of fluffy one-shots from chapter 22 onwards with some overarching plotlines that are all still meant to bring nothing but happiness.
Completed in September 2016.
Graciously betaed by BookishAngel.
Series
- Part 1 of Undertale's Happy Family
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There’s a very small part of you that’s almost—annoyed at the way they’re pulling you along, expecting you to keep going when you’re already so tired. But you’re also annoyed at the part of you that’s grateful for them whisking you through this strange place, because you have so little to keep you going otherwise. Didn’t you climb the mountain in the first place, fling yourself into that hole, because you were so sure that there was nothing left?
Or: Frisk survives a long fall and figures out what comes next.
Series
- Part 10 of you can only use your own
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The coffee shop across from your office building was the only thing that kept you going, but, as Murphy's Law would dictate, it closed down. You almost lost your job, due to an extreme lack of determination. However, everything turned around when a certain Monster set up shop...
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A bunch of Undertale movies and random shit XD Hope you guys like it!