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  1. Tags
    Summary

    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
    Language:
    English
    Words:
    3,726
    Chapters:
    2/?
    Kudos:
    1
    Hits:
    66
  2. Tags
    Summary

    You're a human.

    He wasn't suppose to get this hooked on you.

    Love at first sight wasn't supposed to be a thing.

    ...

    Like it or not, he was going to make you his.

    ___

    Updates every Monday/Tuesday (Plz stop asking when it updates, it's literally right here.)

    Language:
    English
    Words:
    180,601
    Chapters:
    34/?
    Comments:
    1722
    Kudos:
    2122
    Bookmarks:
    230
    Hits:
    43864
  3. Tags
    Summary

    Based on this prompt from Tumblr, Sans and Papyrus suffer in silence.

    Language:
    English
    Words:
    4,690
    Chapters:
    2/2
    Comments:
    14
    Kudos:
    96
    Bookmarks:
    7
    Hits:
    600
  4. Tags
    Summary

    Chara. The name that everyone in the Underground learned to fear. Until they were on the surface and she got her body back, of course. Then they saw she's just a nine year old. But don't be fooled. This nine year old is a rebel with a shocking past that she's struggling to put behind her. She can't seem to stay out of trouble and no one has the guts to put her in her place because they know she's a former killer. No one has the guts except the skeleton, who ironically has no guts at all. When the monsters are thrown into another conflict with the humans, the kids have to act fast. Can Chara get over her hatred for Sans, let herself be helped, and bring victory to her family?

    Language:
    English
    Words:
    17,399
    Chapters:
    16/?
    Comments:
    8
    Kudos:
    40
    Bookmarks:
    5
    Hits:
    848
  5. Tags
    Summary

    Chara can't comprehend recovery anymore.

    ---

    After reseting from a genocide run, Chara can feel. Touch. Interact.

    This changes things drastically.

    And for nothing moreso than her mental state.

    Language:
    English
    Words:
    1,095
    Chapters:
    2/?
    Kudos:
    5
    Bookmarks:
    1
    Hits:
    84
  6. Tags
    Summary

    These are going to be --- GERMAN --- stories!!

    One Shots, Undertale and a lot of smut.

    Language:
    Deutsch
    Words:
    18,088
    Chapters:
    12/31
    Comments:
    2
    Kudos:
    19
    Bookmarks:
    1
    Hits:
    1224
  7. Tags
    Summary

    A series of events pushes you to escape to the fantasy world of a massive multiplayer online role playing game with your bestie. You make new friends and start becoming attached to the fresh connections. As you juggle your online life and reality, a chance encounter with a monster has you confused and conflicted. What does the future have in store for you? Is there such a thing as fate?

    Language:
    English
    Words:
    13,682
    Chapters:
    5/?
    Comments:
    17
    Kudos:
    48
    Bookmarks:
    8
    Hits:
    418
  8. Tags
    Summary

    Dean Winchester was raised to become one of the best witch hunters the world has ever known, and his life's mission has always been to gank the witch who killed his parents when he was a boy. He's been hunting witches his entire life, and the one thing he knows for damn sure is that all witches are evil.

    Castiel Novak is a witch who was raised by two of the worst witches in history, but as far back as he can remember, he's only ever felt disgust and horror over the evil things his brothers do. After tragedy strikes close to home, he has to decide once and for all what kind of witch - and man - he truly wants to be.

    When Dean, his brother Sam, and Castiel all come face-to-face for the first time, they'll each be forced into making choices that not only have the power to alter their lives, but the lives of those they love most as well.

    "It is our choices that show what we truly are, far more than our abilities.” - Albus Dumbledore

     

    Updating every Monday and Thursday!

    Language:
    English
    Words:
    72,045
    Chapters:
    9/16
    Comments:
    336
    Kudos:
    238
    Bookmarks:
    49
    Hits:
    1893
  9. Tags
    Summary

    Frisk blinked a few times at the flippant nature of the statement before sinking to her knees, uncomprehending. "Wha- what do you-?!"

    "Frisk, i don't KNOW" Betty said sharply, hands balling into fists and biting back the wince the action caused her. "All i know is i was going home and suddenly everything was catching on fucking fire. I ran back, found you collapsed on the road with your hand on a peice of glass that was steadily burning the shit out of it- and dragged you into nearby cover"

    Language:
    English
    Words:
    2,447
    Chapters:
    2/?
    Bookmarks:
    1
    Hits:
    26
  10. Tags
    Summary

    When you came into existence, you always had your other half right next to you. Your twin. You'd never thought you'd see the day where they wouldn't be apart of you anymore. Luckily your creator Doctor Gaster will help you through it, or- maybe unluckily.
    ---
    Gaster/Male Reader fanfiction. Please heed tags and warnings.

    Language:
    English
    Words:
    7,944
    Chapters:
    1/1
    Comments:
    1
    Kudos:
    13
    Hits:
    350
  11. Tags
    Summary

    Санс лишился брата. Ториэль потеряла своих детей и королевство. Каждый из них своим собственным путём утратил веру в будущее, что не мешает им создать его вместе.

    Language:
    Русский
    Words:
    6,762
    Chapters:
    2/6
    Kudos:
    1
    Hits:
    19
  12. Tags
    Summary

    Now we all know there where other humans before Frisk- well 'Chara' fell down. . . your one of them. You've been not so hiding in Snowdin with Sans and Papyrus for a while now as an exception but when the last human falls. . .y o u w i l l b e n o e x c e p t i o n. . .

    Language:
    English
    Words:
    3,782
    Chapters:
    5/?
    Kudos:
    3
    Bookmarks:
    1
    Hits:
    112
  13. Tags
    Summary

    When the skele bros from Underfell arrive in the Undertale universe Papyrus makes it his mission to save Underfell Papyrus (Edge) from his wicked (and abusive) ways or die trying! Probably the latter. But he won't give up! Everyone can be a good person if they just try, right?

    Series
    Language:
    English
    Words:
    197,386
    Chapters:
    33/33
    Comments:
    468
    Kudos:
    375
    Bookmarks:
    43
    Hits:
    7181
  14. Tags
    Summary

    The Fell monsters have never gone into heat before, have never heard of it. Now that they've reached the surface, though, it's only a matter of time before biology reasserts itself.

    Few of them are taking the news all that well.

    Language:
    English
    Words:
    20,318
    Chapters:
    5/?
    Comments:
    58
    Kudos:
    136
    Bookmarks:
    14
    Hits:
    1624
  15. Tags
    Summary

    In the aftermath of Asriel Dreemur and his beloved sibling's death, Royal Scientist Wingdings Gaster finds himself presented with an opportunity to experiment on the only human soul in the Underground. Faced with obstacle after obstacle, Gaster finds he may have to embrace darker methods to achieve his goal of breaking the Barrier - methods that there may be no returning from.

     

    Updates when it updates.
    Fridays, mainly.

    Language:
    English
    Words:
    197,659
    Chapters:
    65/?
    Comments:
    106
    Kudos:
    114
    Bookmarks:
    11
    Hits:
    4050
  16. Tags
    Summary

    UF!Санс ссорится со своим братом и не знает, что ему делать. В конечном итоге он попадает в UnderTale вселенную, где встречает чертовски добрых Санса и Папируса.

    UF!Сансу придётся разобраться со своей депрессией и новообретёнными чувствами к двум другим скелетам.

    Language:
    Русский
    Words:
    81,109
    Chapters:
    23/44
    Kudos:
    5
    Hits:
    313
  17. Tags
    Summary

    Sans knew in his soul that there was only one way he was now in another universe. Erasure was one thing a reset would fix, but corrupting and breaking it would be the only reason he was here now.

    He had expected to overwhelmed in this world of 'kill or be killed' but it was this timeline's version of his brother and himself that had him stepping up. He was a 1 HP monster, physically weak but he did have one thing on his side in a world so filled with LOVE.

    ====================
    Adaptation: Chapters 1 - 30
    Harmonize: Chapters 31 - 42
    Supremacy: Chapters 43 - 80
    ====================

    ---------------------
    To receive a sequel and a sibling story at a later date.
    ---------------------

    *This is my personal take on the Underfell AU. I hope you enjoy it as much as I am enjoying writing it! Please feel free to write or draw for this story, you don't need my permission for that.

    Series
    Language:
    English
    Words:
    127,902
    Chapters:
    81/81
    Comments:
    3939
    Kudos:
    3032
    Bookmarks:
    347
    Hits:
    61069
  18. Tags
    Summary

    Monsters rule the surface after the barrier fades and they find that humans have destroyed their own civilization, and somehow became primitive creatures incapable of speech. Humans are now an endangered species that monsters keep as pets. To the humans living deep in an underground bunker, what the monsters don’t know won’t hurt them.

    Language:
    English
    Words:
    15,469
    Chapters:
    3/?
    Comments:
    25
    Kudos:
    63
    Bookmarks:
    8
    Hits:
    906
  19. Tags
    Summary

    Ketchup and Mustard have made it out of the demon's grasp. Everything's going to be okay now, right?

    Will not make any kind of sense without reading Replacements.

    Series
    Language:
    English
    Words:
    27,331
    Chapters:
    10/?
    Comments:
    458
    Kudos:
    550
    Bookmarks:
    68
    Hits:
    9013
  20. Tags
    Summary

    Jinx gets tired of Raven teleporting outside of her cell to taunt her every few nights and decides that if the Titan wants a show, then she might as well give the girl her money’s worth.

    Language:
    English
    Words:
    125,575
    Chapters:
    33/?
    Comments:
    416
    Kudos:
    573
    Bookmarks:
    75
    Hits:
    14478

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