81 - 100 of 2,405 Works in Underswap Sans (Undertale)

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  1. Tags
    Summary

    [Get it? The birds and the bees?]

    When you fell into the underground after playing a game with your friends, you find yourself in a strange world full of monsters and other weird creatures. Will you ever get out? and what friends will you make along the way?

    Language:
    English
    Words:
    8,437
    Chapters:
    12/?
    Kudos:
    9
    Hits:
    136
  2. Tags
    Summary

    A Dreamtale fanfic. Mostly about me trying to make the Dreamtale brothers get along after the apple incident. And no ships. You know me :D

    Heavily inspired by @Clichely's fanfic A Hidden Heart.

    Language:
    English
    Words:
    1,848
    Chapters:
    3/?
    Kudos:
    20
    Bookmarks:
    4
    Hits:
    252
  3. Tags
    Summary

    Shattered loves his community even after his change, loves his friends. Wishes for them to be immortal. He just can't quite understand why they seem so put off by it...

    Tldr: Shattered has issues and everyone else has to deal with them

    Series
    Language:
    English
    Words:
    22,784
    Chapters:
    19/?
    Comments:
    211
    Kudos:
    101
    Bookmarks:
    11
    Hits:
    2,309
  4. Tags
    Summary

    It’s been 3 whole years hanging out with your best friend chara, that he is finally ready to introduce me to his family. He doesn't talk much about them only that they can be a handful and he doesn’t really hang out with them as much as he would with me. You start becoming nervous about making a first impression, you also have decided to finally tell your bestie your biggest secret which is you are a witch and there are witches who are planning to come out of hiding now that monster are out of the underground, these witches wish to be of help to monster to make up their past mistakes.

    Looking in the mirror, you put on the final touches of your make up and you give yourself once over your outfit, happy with the results. You start to hang out of your bathroom, Walking out of your room, then heading to your living room to the front door, opening it to see chara standing there waiting for you.

    Language:
    English
    Words:
    2,396
    Chapters:
    1/?
    Comments:
    4
    Kudos:
    8
    Bookmarks:
    6
    Hits:
    175
  5. Tags
    Summary

    An Underfell Sans named Grit is a menace to the multiverse and is being chased across it. He's got to face himself and everything he's lost and done with Justice breathing down his neck.

    Language:
    English
    Words:
    121,217
    Chapters:
    26/?
    Comments:
    46
    Kudos:
    103
    Hits:
    694
  6. Tags
    Summary

    Sans is, for lack of a better word, fucked.

    To his credit, he truly had no way of knowing what that machine would do.

    Only another reason he never should've touched the damn thing.

    Now he's being forced to cohabitate with other versions of both him and his brother, pulled from their own universes with no way home until the machine is fixed.

    Thankfully, the machine only seems to pull versions of either Sans or Papyrus through, and only when the machine isn't being handled carefully.

    Until it doesn't.

    Until it brings you, a human who seems to know a little more about everyone than she's willing to let on.

    Language:
    English
    Words:
    5,800
    Chapters:
    2/?
    Comments:
    11
    Kudos:
    79
    Bookmarks:
    24
    Hits:
    513
  7. Tags
    Language:
    English
    Words:
    5,388
    Chapters:
    7/?
    Comments:
    14
    Kudos:
    56
    Bookmarks:
    7
    Hits:
    1,035
  8. Tags
    Summary

    The hatred, or immense dislike, of a person can be formed for many reasons. Though very few are the product of a chair. That's right.

    A. Chair.

    Introducing Red, who initiated a petty feud over a seat in a college classroom. Where everything, and I truly mean everything, is a competition. And of course a feud isn't a feud if you don't involve your "family" right? Besides, he's going to need reinforcements to go against the force of nature that is Roxy. Because by stars he's going to kick her ass in at least SOMETHING!

    Language:
    English
    Words:
    4,658
    Chapters:
    2/?
    Comments:
    8
    Kudos:
    34
    Bookmarks:
    9
    Hits:
    280
  9. Tags
    Summary

    This is an idea I've been working on for awhile.

    When a glitch is formed, their entire identity centre's around their last sane thought. Geno wasn't angry this time. Trapped in the save screen for so long, finding himself in another endless VOID, he just couldn't muster up the energy to feel contempt.

    So, sitting in the whiteness, he gave up. And only in this empty state of despair did he begin to glitch, forming into a being entirely new.

    This story will most likely be slow to update as I'm still fleshing out a lot of the outline. It also technically centre's around an OC.

    As usual, comments always appreciated :)

    Language:
    English
    Words:
    18,079
    Chapters:
    9/?
    Comments:
    28
    Kudos:
    83
    Bookmarks:
    17
    Hits:
    1,272
  10. Tags
    Summary

    Inspired by the fanfic Turn Back Time, this fanfic is about what happens if fanon Corrupted Nightmare killed his brother accidentally. Dream exists as a projection held stable by a spell Nightmare cast in his grief, unable to let go.

    Language:
    English
    Words:
    1,406
    Chapters:
    2/?
    Comments:
    10
    Kudos:
    29
    Bookmarks:
    1
    Hits:
    205
  11. Tags
    Summary

    ➥ VARIOUS UNDERTALE AUS X MALE!SANS!READER

    Waking up to the sounds of screaming and decays was not what you expected. Hell- you didn't even know where you are! Yet with this sense of dread you found yourself carrying the body that doesn't belongs to you.

    Who the hell is Primary?

    Language:
    English
    Words:
    2,711
    Chapters:
    2/?
    Comments:
    12
    Kudos:
    39
    Bookmarks:
    16
    Hits:
    486
  12. Tags
    Summary

    Error hates the multiverse. It took his brother, and now he's going to erase every stupid glitch in this abomination of a multiverse.

    Ink loves the multiverse. It's why he exists, after all, and he's always happy to help the Creators with whatever they need!

    Dream and Nightmare are tired. Suddenly encountering two god-children that have very questionable morals will do that to you.

    The brothers take care of the children, their fight between Negativity and Positivity becoming a fight between two balances of the multiverse. Little does anyone know, the brother Error has been looking for all this time has in fact been Ink.

    Neither of them know it, though. (Error can't recognize Ink. After all, the brother he knew wasn't like that at all, and didn't have the name Ink. Ink never had any memory of a brother. The multiverse is all he knows.)

     

    Or: I really like Ink and Error's frenemy dynamic and I went OH BUT WHAT IF THEY WERE ADOPTED BROTHERS AND ALSO CHILDREN and I thought let's add in some fgod and fgoc because why not, angst, haha (And there is a sad lack of fgod/fgoc fics where Ink isn't a huge jerk)

    Summary is subject to change because I just can't get it right

    Language:
    English
    Words:
    23,227
    Chapters:
    9/?
    Comments:
    226
    Kudos:
    329
    Bookmarks:
    54
    Hits:
    4,517
  13. Tags
    Language:
    English
    Words:
    5,459
    Chapters:
    1/?
    Hits:
    40
  14. Tags
    Summary

    It had been a normal day

    Dream had been working around in his bakery minding his own business, trying to finish up his most recent order before he closed and attempting to mute his idiotic friend who wouldn't stop spamming him pictures of frogs. He'd just finished closing up and headed home to take a well deserved (well, in his opinion) nap.

    And then BAM. Just like that. Lockdown.

    Crazy things happen when you try to ignore Ink, apparently.

    (Also, how in the world is he supposed to run his business in his tiny kitchen? And why is everyone spam buying all the toilet paper?)

    Language:
    English
    Words:
    34,108
    Chapters:
    43/?
    Comments:
    36
    Kudos:
    52
    Bookmarks:
    10
    Hits:
    1,786
  15. Tags
    Summary

    After slipping for the first time in a long while—A confused, but supportive Blue takes the role of Lust's (Violet here) caregiver!

    The only warning I can think of is emotional distress! Other than that, enjoy! ^^

    Series
    Language:
    English
    Words:
    1,639
    Chapters:
    1/2
    Comments:
    7
    Kudos:
    9
    Bookmarks:
    1
    Hits:
    89
  16. Tags
    Summary

    This is just gonna be a book full of random writing things I did while I was bored, or practice writing, it will most likely not get updated too often, since i forget o have ao3 sometimes, but yeah-

    Language:
    English
    Words:
    1,661
    Chapters:
    5/?
    Comments:
    1
    Kudos:
    4
    Hits:
    91
  17. Tags
    Summary

    This Undertale fanfic (Undertale belongs to Toby Fox) will be featuring a Multiverse where instead of Canon Dreamtale (Dreamtale belongs to Joku), there is Swapdream (Swapream belongs to Song A).

    Oh yeah, Swan and Swad are biological brothers in this fanfic, and there will be no ships, because I said so. So shippers, L E A V E.

    Language:
    English
    Words:
    6,448
    Chapters:
    4/?
    Kudos:
    15
    Hits:
    149
  18. Tags
    Summary

    a boring mission turned into a wild one.

    all abandoned in the most lame branch they could've ended up in, they're given a week to redeem themselves for the boss. their mission? to get the overpowered soul-keeper into their team.

    here, the murderous trio plunges deep into the world of an infamous and tricky mage in the messy alleyways and open streets of an Underswap timeline, on the hunt to satisfy their boss and his relentless wrath and desires.

    this will definitely not throw them into fits of despair.

    ---

    on the other hand, you find their little chase to be rather entertaining.

    will they sink into need by the end of it all? fight against each other as your foolish little jokes and tricks turn them inside out? or will they unravel you slowly instead, finding out everything they need to know?

    perhaps, they might just tolerate you by the end.

    may the cards tell.

    Language:
    English
    Words:
    8,088
    Chapters:
    2/?
    Comments:
    9
    Kudos:
    37
    Bookmarks:
    11
    Hits:
    340
  19. Tags
    Summary

    Uhhhhh how do I summary??
    Well first of all hi this is my first story
    It’s pretty bad ngl
    But uhmmmm
    So like
    The skeletons just like
    Scare each other
    It’s an experience
    Just read it
    Or don’t
    Idfc
    (IM STILL TRYING TO GET USED TO THIS SO I APOLOGIZE IF I DO THINGS WRONG PLEASE DONT HURT ME)

    Language:
    English
    Words:
    2,398
    Chapters:
    5/?
    Comments:
    2
    Kudos:
    8
    Bookmarks:
    1
    Hits:
    81
  20. Tags
    Summary

    your a renowned national thief but you don`t steal jewels or gold you steal maps and are under the guise of a fisher man and hide out with your assistant on small island on the coast of ireland...that is until now

    a mysterious woman offers you two options

    big jail time....or a position on her expedition to a island
    a island to be dismissed as a mere fable, forgotten to time

    but hey,it cant be that painful right?

    well your wrong...and its not cause of the expedition crew and cougers....

    Language:
    English
    Words:
    30,679
    Chapters:
    14/?
    Comments:
    26
    Kudos:
    48
    Bookmarks:
    10
    Hits:
    980

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