1 - 20 of 18196 Works in Undertale (Video Game)

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  1. Tags
    Summary

    Fear. Fear coerces people to make dumb decisions based on irrationality.

    When the monsters came to the surface, it was fear that made the humans react as they did. Shunned and degraded, monsters found that the paradise they sought for was still out of reach. Forced to live as degenerate living beings, monsters struggle to pave their way in human society.

    Enter You.

    Knowing that there is more to monsters than humans tend to fear, you decide to implement a program at a correctional facility in hopes of mending the relationship between monsters and humans. Your six clients: Incarcerated Skeletons. You're not quite sure how this will turn out, but you're going to give it your all...otherwise, society in itself may crumble.

    Language:
    English
    Words:
    7,852
    Chapters:
    3/?
    Comments:
    18
    Kudos:
    55
    Bookmarks:
    10
    Hits:
    274
  2. Tags
    Summary

    If Soul-Searcher took place in Underfell, what would change?

    Perhaps, once again, it's easier to list what doesn't change.

    (An Underfell fic that features Complex Characterization, a Unique Spin on things, NO enslaving of the reader, NO noncon, and NO Fontcest.

    If you enjoy those things, that's for you, but i wanted a story without those attributes.

    SO IF YOU LIKE FEELINGS, TASTEFUL COMEDY IN A DARK SETTING, SKIPPABLE SMUT WITH A REMARKABLE AMOUNT OF BUILDUP, AND COMPLICATED EMOTIONS--

    Step right up and enjoy this fic!)

    ((You do not have to read Soul-Searcher for this to make sense, however it might offer some context.))

    Series
    Language:
    English
    Words:
    36,420
    Chapters:
    9/?
    Comments:
    87
    Kudos:
    104
    Bookmarks:
    23
    Hits:
    1423
  3. Tags
    Summary

    Pain. Jk. W.D. Gaster, head royal scientist, has recently started a new project called the CORE. He lives with his two beautiful sons in the sleepy town of Snowdin. They are the perfect, wholesome family. Anything else is simply preposterous.

    Language:
    English
    Words:
    71,778
    Chapters:
    25/33
    Comments:
    63
    Kudos:
    132
    Bookmarks:
    10
    Hits:
    3289
  4. Tags
    Summary

    A story where the reader is thrown into the game of Undertale...but with a twist. Not only do they have to try to guide Frisk through the underground, but they have to do it in a body that is not their own.

    With time running out, you better be prepared to get to the root of the problem...get it? Cause you're a flippin flower!

    Note: takes place in an alternate reality where Undertale was never launched and only one copy of the game exists.

    Language:
    English
    Words:
    152,490
    Chapters:
    39/?
    Comments:
    788
    Kudos:
    991
    Bookmarks:
    122
    Hits:
    12546
  5. Tags
    Summary

    Finally, the monsters reached the surface. Frisk, the eighth human to fall down befriended the whole underground, and through determination, she broke the barrier.Truly the angel of the subterranean had come. Everyone was happy. Every single monster was. Every one. it’s very important that this point is accentuated three times. Because sans definitely was happy. There was nothing wrong with the world, so why shouldn’t he be? Because the very person who freed everyone, who everyone trusted so full heartedly, was really just a dirty killer.

    In which Sans struggles to act like he used to before the Resets, and is doing pretty well. But his nervous tics and sleepless nights are very hard to hide when put out in plain sight.

    Language:
    English
    Words:
    15,024
    Chapters:
    4/?
    Comments:
    3
    Kudos:
    14
    Bookmarks:
    3
    Hits:
    114
  6. Tags
    Language:
    English
    Words:
    1,387
    Chapters:
    3/?
    Comments:
    1
    Kudos:
    2
    Hits:
    59
  7. Tags
    Summary

    Now on the surface, and with increasing numbers daily, Alphys and Undyne now have to start looking towards their shared future with humans, one that they strive to make peaceful and happy. Along with the birth of their child, however, comes tensions, confusion, and fear. And as if that weren't enough, their child becomes more and more interesting as the years go by, offering them both a unique challenge along with the rest.

    Series
    Language:
    English
    Words:
    62,034
    Chapters:
    18/50
    Comments:
    86
    Kudos:
    41
    Bookmarks:
    6
    Hits:
    951
  8. Tags
    Summary

    Twenty years have passed since the brutal war between monsters and humans that killed off almost all of humanity.
    Twenty years and your whole life at that, you've spent underground waiting for the moment to finally rise and have revenge on monster kind. The plan was simple enough. Lead the monsters underground during the night of the festival and act surprised and scared of their arrival. Face whatever type of plans they had for you, imprisonment most likely and show them you are no threat. Act as if you all have nothing but completely pacifistic intentions. Pretend to be completely on their side, using this to get close to them, to their secrets to their magic and then destroy them one by one. Well it was simple enough. Till these stupid feelings got involved.

    Language:
    English
    Words:
    59,344
    Chapters:
    29/?
    Comments:
    200
    Kudos:
    160
    Bookmarks:
    24
    Hits:
    2157
  9. Tags
    Summary

    You’re a college student studying to become an astronomer but you procrastinate too much but that doesn’t seem to affect your grades at all. You love to listen to music all the time, watch tv, have sex and sometimes Dj at a few parties. Your also a lazy son of a….anyway…your professor doesn’t seem to enjoy your behavior very much or it seems he’s been in a pissy mood since he’s gotten hired. You don’t care, you have other things to worry about in life.

    Language:
    English
    Words:
    45,490
    Chapters:
    17/?
    Comments:
    296
    Kudos:
    214
    Bookmarks:
    24
    Hits:
    4605
  10. Tags
    Summary

    Honey and Edge celebrate their first Valentine's Day together, but it doesn't go well for the couple. Will things turn around for them? Or will it be the worst Valentine's Day ever?

    Language:
    English
    Words:
    4,491
    Chapters:
    1/1
    Kudos:
    4
    Hits:
    19
  11. Tags
    Summary

    Sans hates his job. But he loves you.

    First time with your boyfriend.

    This is the most vanilla thing I've ever written, and probably will ever write.

    Language:
    English
    Words:
    3,000
    Chapters:
    1/1
    Comments:
    1
    Kudos:
    11
    Hits:
    113
  12. Tags
    Summary

    .. So basically people knew of monster legends cause it was a old town isolated so they're a bit behind stuff. The reader father is abusive to her since she has magic and he hated her for it for being a disgusting freak of nature her mother tries to defend her but it's not enough. Eventually he finally snapped and tries to end the reader. Reader prepared and scared to die.... mom steps in and protects her she told reader to run. But thanks to lack of exercise she didn't get so far but with father catching up she was determined she climb the mountain and for the first time saw stars with tears in her eyes from emotional pain and beauty from new scenery she didn't notice when her father got closer cause soon she was already falling....

    Language:
    English
    Words:
    14,423
    Chapters:
    12/?
    Comments:
    22
    Kudos:
    7
    Bookmarks:
    1
    Hits:
    175
  13. Tags
    Summary

    Sans continues pretending that everything's okay, even when they've reached surface. A brotherly tomfoolery changes everything.

    Language:
    English
    Words:
    2,572
    Chapters:
    1/1
    Comments:
    1
    Kudos:
    3
    Hits:
    30
  14. Tags
    Summary

    One evening spent in the storm can change everything. Especially when the big bad and scary skeleton finds himself in the middle of it and calls you for help.

    Reader insert with slowish burn with Underfell Papyrus. Because this Edgelord needs love and we want this Edgelord.

    Series
    Language:
    English
    Words:
    34,374
    Chapters:
    8/?
    Comments:
    77
    Kudos:
    238
    Bookmarks:
    37
    Hits:
    1560
  15. Tags
    Summary

    Undyne gets captured by some humans. They regret it intensely.

    Language:
    English
    Words:
    1,709
    Chapters:
    1/1
    Collections:
    1
    Comments:
    4
    Kudos:
    8
    Hits:
    30
  16. Tags
    Summary

    Death was only the beginning to James when he found himself in the oddest place on the multiverse, One Piece.
    Now he must understand that the universe was changed completely as he sails with the next pirate king in the adventure that connected the multiverse. Self-Insert OC, Pairings undecided

    Language:
    English
    Words:
    2,965
    Chapters:
    2/?
    Kudos:
    1
    Hits:
    22
  17. Tags
    Summary

    The List of Buckets made by the Reader in Thunderstruck fic.

    Series
    Language:
    English
    Words:
    238
    Chapters:
    1/1
    Kudos:
    2
    Hits:
    18
  18. Tags
    Summary

    They feel their sins crawling on their back.

    Or, in which Asriel makes embarrassing shopping decisions, and Chara is forced to face ghosts of their past.

    Language:
    English
    Words:
    1,233
    Chapters:
    1/1
    Kudos:
    2
    Hits:
    18
  19. Tags
    Summary

    In this AU Sans and Papyrus are NOT RELATED, but classmates who fall head over heels for one another. Papyrus is a popular Soccer Jock while Sans is the Bookworm Nerd who begins to tutor Paps in math so that he could keep playing, being the star player to send their school to the Championships after many years. Things are going great until a hacker shares some personal pictures with the entire school that not only tests their relationship with each other and their friends, but their personal limits. Can their love for each other keep them from hitting rock bottom?

    This is the UnderClass AU started by the brilliant nasty-bones ((http://nasty-bones.tumblr.com/)).

    Series
    Language:
    English
    Words:
    95,790
    Chapters:
    22/?
    Comments:
    246
    Kudos:
    142
    Bookmarks:
    27
    Hits:
    2019
  20. Tags
    Summary

    What happens when Frisk finds a way to save Asriel and Chara? What happens in the aftermath of an ultimate pacifist run? Find out as the monsters go about their new lives as a free society.

    Series
    Language:
    English
    Words:
    171,571
    Chapters:
    45/?
    Comments:
    99
    Kudos:
    66
    Bookmarks:
    9
    Hits:
    1856

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