1 - 20 of 17665 Works in Undertale (Video Game)

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  1. Tags
    Summary

    Sans is slipping. There is no rhyme or reason to things anymore. A new face arrives in town and takes a liking to sans. From there things get much worse for the skeleton.

    Language:
    English
    Words:
    2,027
    Chapters:
    1/?
    Hits:
    5
  2. Tags
    Summary

    Papyrus has struggled his whole life, given an opportunity to make something of himself - becoming a nightwatchman for the new museum exhibit should've been easy...if everything stayed dead...or was it just asleep?

    Now Papyrus has to keep a monster, born and living over a thousand years ago in a completely different time out of danger and trouble - all while keeping his job and sanity intact. The upside the former prince is really cute and treats Papyrus like he is a king or pharaoh, the downside...he is really cute and treats him like the pharaoh which he was destined to wed.

    Series
    Language:
    English
    Words:
    4,989
    Chapters:
    2/?
    Comments:
    14
    Kudos:
    42
    Bookmarks:
    6
    Hits:
    332
  3. Tags
    Summary

    Gaster loves his sons. He loves Sans, his budding young scientist, energetic, dedicated, and ready to change the world. He loves Papyrus, his sensible, supportive, caring boy who still makes sure all of them eat three square meals and get enough sleep. He loves them more than anything else in the world, and all he wants is for them to have the life they always deserved.

    No matter what it t͚̫͔a̛̗̤͖̪͓̠̱͞ͅk̡̙̖̫̲̩͍͔̺̹̕e͓̤͘͜ş̪͍̺̗̕.

    Language:
    English
    Words:
    37,391
    Chapters:
    10/52
    Comments:
    287
    Kudos:
    223
    Bookmarks:
    34
    Hits:
    2270
  4. Tags
    Summary

    The third one is finally gone. And a broken Frisk found in them a pillar, a shoulder to place the guilt they both felt. Of course, when Frisk go too far… Chara has to stop them.

    So its time to explain. Which is hard when your side of the story doesn't match that of the ‘angel’ that freed the Underground.

    Frisk is not as perfect as 'they pretend, and Chara is not as much of a demon as they may look like. But who would he believe?

    Language:
    English
    Words:
    13,910
    Chapters:
    10/?
    Comments:
    30
    Kudos:
    81
    Bookmarks:
    8
    Hits:
    1304
  5. Tags
    Summary

    A bunch of friends hang out on not-Discord and make poor life decisions.

    Language:
    English
    Words:
    1,186
    Chapters:
    2/?
    Kudos:
    3
    Hits:
    19
  6. Tags
    Summary

    Undyne and Alphys make out. Alphys chews on an idea.

    For Undyne Appreciation Week, Day 3 - Undyne's big, toothy smile.

    Series
    Language:
    English
    Words:
    1,624
    Chapters:
    1/1
    Kudos:
    2
    Hits:
    23
  7. Tags
    Summary

    Continuation of The Problem of Bodies (Part 1: Blook Acres): Life has complications when you're incorporeal in a society full of corporeal monsters; more so when you're not quite like other ghosts. After unthinkable tragedy strikes the Dreemurr children and the Underground, and the Blooks have to cope with the new reality. Set in game backstory.

    Language:
    English
    Words:
    40,587
    Chapters:
    12/?
    Comments:
    5
    Kudos:
    29
    Bookmarks:
    4
    Hits:
    466
  8. Tags
    Summary

    Basically a place to put all of my requests I get from my Tumblr. I do still accept requests, but only on my Tumblr of the same name. I'll pretty much do anything, so prepare for a multitude of Undertale ships, drama, and lots and lots of my personal trash. I do put a lot of work into my trash and try to make them a decent length. Enjoy.

    Language:
    English
    Words:
    3,160
    Chapters:
    1/?
    Hits:
    3
  9. Tags
    Summary

    Dust being ooc (is there even a set way for him to act?) and Blue having to deal with his weird, cat like grossness.

    Language:
    English
    Words:
    216
    Chapters:
    1/1
    Kudos:
    1
    Hits:
    8
  10. Tags
    Summary

    Monsters were freed from the barrier a year ago, and people still don't accept them yet. Riots and complaints (With absolutely no proof) of violence were always being reported on the news.
    So many wrong things are happening.
    Everyone was acting like a toddler not getting their way.
    Then there's Leala.
    Frankly, she didn't give a crap about what anyone else thinks about monsters.
    She had her own opinion, and she was sticking with it. Everyone else can just SUCK IT.
    She was an orphan originally, but then she was adopted by a man who was in the AAM(Activists Against Monsters).
    Things were never the same after that...
    She eventually escaped from the house a couple years later, and was adopted by Ms. Frost.
    But even that didn't last long because of the vendetta certain people held against monsters. Ms. Frost was a monster supporter. She lost her life
    because she was kind enough to accept them as people and not things.
    But that was the past.
    Leala now lives in a small apartment. And has a boring-as-all-heck job.
    Until she hears the shattering of glass.
    And then her life changes forever.

    Language:
    English
    Words:
    20,496
    Chapters:
    11/?
    Comments:
    32
    Kudos:
    77
    Bookmarks:
    14
    Hits:
    848
  11. Tags
    Summary

    A look onto War  
    A Undertale fanfiction that takes place in the world of Soul Dichromatism. A look in to a life of a simple human finding out the powers of the earth and its magic in this war-torn world.
    Also a look into the battles and challenges that both side faced in this war.

    Language:
    English
    Words:
    1,317
    Chapters:
    2/?
    Hits:
    17
  12. Tags
    Summary

    It’s been a good handful of years since monsters and magic's been introduced to the modern world. A lot of people thought this would be a harbinger of change—of better things to come—and maybe for some, it was. For you, however, it meant absolutely nothing. Every day proceeded the same as all others before it: you went to work, came home, went to bed—rinse and repeat until your inevitable death. It didn’t matter that there was suddenly magic in the world, that fantastical creatures now walked the streets. You’re completely fine with your rather drab, normal life. This way, life is comfortable, life is safe; you can’t get hurt if you don’t build an attachment to anything, if you don’t force yourself to interact with people more than necessary.

    What then, do you do when you find yourself thrust into a situation you would like nothing more than to remove yourself from? Playing host to a couple of bad-mouthed, hot tempered skeletal monsters wasn’t in your game plan. Building attachments to anyone, let alone these seemingly misplaced monsters, was especially not part of said plan. But it’s not like you can just toss them on the street to fend for themselves in a world so similar, yet so very different from their own.

    Language:
    English
    Words:
    9,423
    Chapters:
    5/?
    Comments:
    52
    Kudos:
    73
    Bookmarks:
    10
    Hits:
    628
  13. Tags
    Summary

    This is a human AU. Humans are trapped Underground, Frisk, Chara and the other fallen are monsters. Sans and Gaster aren't related, and Chara and Asriel are still alive.

    Sans is a young adult who needs a job, and Gaster is the one to give him one. At first, Sans comes off as lazy, uncaring, and unreliable, but soon the scientist learns that there is more to him that meets the eye.

    Language:
    English
    Words:
    20,200
    Chapters:
    10/?
    Comments:
    2
    Kudos:
    29
    Bookmarks:
    4
    Hits:
    275
  14. Tags
    Summary

    After a shitty day on the town, you settle down at the bar to drown out your sorrows. Little did you know about the people you would meet or the experiences you would experience.

    This is an Underfell Sans x Reader thingy, so yeah...

    Language:
    English
    Words:
    4,411
    Chapters:
    3/?
    Comments:
    4
    Kudos:
    12
    Bookmarks:
    1
    Hits:
    78
  15. Tags
    Summary

    You're a mostly shy and ill-mannered girl endlessly blaming the world for something you yourself aren't quite sure of. You hate that you're stuck being unhappy while the rest of society- monsters and humans alike- stroll along with their happy lives, unaware of your miserable state of dependancy. You envy others for their tenacity to survive the world when you can't...

    Everything changes when you meet a tall skeleton monster with artisan spaghetti dreams, an anime-loving fish monster, and her much shorter lizard-monster girlfriend obsessed with Mew Mew Kissy Cutie. Can the three find a way to change your stone cold heart and bring you out of your monster-bigoted mindset? Or will you fall victim to living the same lonely life you've lived since the beginning?

    On top of that, will a pun-loving skeleton still wary of this reality vanishing help you out with his friends? Or will he be the one to push you over the edge into misfortune?

    WARNING: Reader is not a nice person in the beginning, and that is intentional. You will cringe. You will scream at the computer. Some characters may seem out of character, but that's intentional as well.

    REALLY Slow burn! Hate-love! This story updates EVERY Saturday!!

    Language:
    English
    Words:
    306,791
    Chapters:
    43/?
    Comments:
    1179
    Kudos:
    707
    Bookmarks:
    106
    Hits:
    11074
  16. Tags
    Summary

    this is all full of absolute bullshit, do NOT read

    I'm warning ya

    (im not even half as funny as i'd like to think i am)

    Language:
    English
    Words:
    45,153
    Chapters:
    27/?
    Comments:
    352
    Kudos:
    132
    Bookmarks:
    17
    Hits:
    3104
  17. Tags
    Summary

    The events of Undertale has been altered. Frisk does not fall into the underground, and an unknown human takes their place. This disturbance in events end with Asgore obtaining 7 human souls and breaking the barrier. The power of these souls has corrupted Asgore's morals and terrible events on the Surface has transpired as a result.

    Language:
    English
    Words:
    3,891
    Chapters:
    5/?
    Comments:
    3
    Kudos:
    25
    Bookmarks:
    1
    Hits:
    167
  18. Tags
    Summary

    It's three months after the barrier fell. You're hired to translate for a deaf third grader at the elementary school, and their "guardians" are a little... well...

    Series
    Language:
    English
    Words:
    198,248
    Chapters:
    55/?
    Comments:
    1645
    Kudos:
    1552
    Bookmarks:
    246
    Hits:
    29626
  19. Tags
    Summary

    Sans learns how to cuddle for a bit.

    Language:
    English
    Words:
    1,908
    Chapters:
    1/1
    Kudos:
    7
    Hits:
    30
  20. Tags
    Summary

    Red and Sans are roommates, and they're so similar that they tend to drive each other completely insane. So guess who works out a deal?
    Friends with benefits, no-strings-attached sex, I'm sure absolutely nothing bad will happen, right, guys?

    Official cover by whotheheckyisbecky on Tumblr!

    Covers also here by gallifreyan-pal and here by theamazingtrixy!

    Series
    Language:
    English
    Words:
    73,133
    Chapters:
    25/30
    Comments:
    1426
    Kudos:
    536
    Bookmarks:
    84
    Hits:
    10856

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