1 - 20 of 148 Works in Post-Undertale Genocide Route

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  1. Tags
    Summary

    Rainbow Dash wakes up in a bed of flowers in a cave as a filly with amnesia. Lost and confused, she's taken in by a goat monster named Toriel. That's okay though, as long as she has DETERMINATION she can get through this.

    --------

    Faster updates on my FIMfiction account!

    Language:
    English
    Words:
    5,723
    Chapters:
    6/?
    Comments:
    1
    Kudos:
    5
    Bookmarks:
    2
  2. Tags
    Summary

    Frisk, the final human, has finally fallen into the Underground, her soul ripe for the taking, or so they’d thought. When this human begins committing genocide throughout the Underground, many monsters stand up to fight against her, including a small monster named MK, who gets himself into more trouble than he had anticipated.

    Language:
    English
    Words:
    2,794
    Chapters:
    2/?
    Comments:
    3
    Kudos:
    2
    Hits:
    27
  3. Tags
    Summary

    After the loss of her beloved bitty, detective Penny didn't expect to find another bitty partner so soon. Together, they struggle to solve the case that had led to her previous partner's untimely death. Though they may make a couple extra friends and enemies along the way...

    Language:
    English
    Words:
    4,477
    Chapters:
    1/12
    Kudos:
    6
    Bookmarks:
    2
    Hits:
    39
  4. Tags
    Summary

    Edge and Sans' first meeting does not go well.

    Series
    Language:
    English
    Words:
    17,800
    Chapters:
    5/?
    Comments:
    98
    Kudos:
    147
    Bookmarks:
    21
    Hits:
    1658
  5. Tags
    Summary

    It's so funny, you can't stop laughing. Everything you ever do just falls apart, and its SO FUNNY.
    Ha ha...
    But that's not the truth.
    Because you've been gone for a long time, haven't you?

    Language:
    English
    Words:
    11,454
    Chapters:
    26/?
    Comments:
    133
    Kudos:
    75
    Bookmarks:
    4
    Hits:
    1475
  6. Tags
    Summary

    (REVAMPED) It's been one week since you freed the monsters after Chara gave you a second chance to right your wrongs. Since then they have left you to live your life. Everything was perfect until Sans driven insane by the thousands of resets you and Chara had made took your soul. You are somehow saved by a demon named Ennard who you make a deal with to get your revenge on Sans.

    Series
    Language:
    English
    Words:
    2,702
    Chapters:
    6/?
    Comments:
    25
    Kudos:
    16
    Bookmarks:
    5
    Hits:
    545
  7. Tags
    Summary

    Frisk's got a secret.

    Language:
    English
    Words:
    605
    Chapters:
    1/1
    Comments:
    1
    Kudos:
    28
    Bookmarks:
    1
    Hits:
    141
  8. Tags
    Summary

    Armageddon. Apocalypse. Doomsday. The End.

    But this was not the end. No, your story wasn’t finished yet. Especially now with all these monsters around.
    ~

    An Undertale AU that takes place Post-Pacifist, where the surface is consumed by the Zombie Apocalypse and you (The Reader) is thrown into an unexpected journey with the most unexpected alliance. Multiple POV, Female Reader, Blood, Gore and Violence. This Fic contains multiple ships, but the main one is Sans/Reader. Rating is M for now, but may change to Explicit due to sexual content later.

    For more summary, view the prologue.

    Language:
    English
    Words:
    27,773
    Chapters:
    8/?
    Comments:
    103
    Kudos:
    446
    Bookmarks:
    65
    Hits:
    5158
  9. Tags
    Summary

    My definitive Undertale fanfiction. A story about a ghostly Chara getting a journal - and then getting caught up in a multi-timeline expedition after characters swap places between universes, the result of a particular timeline gone haywire. Has 1st Person POV in diary and narrative segments from multiple characters. Rated Teen and Up for violence and depression. Updates on Saturdays.

    Language:
    English
    Words:
    5,080
    Chapters:
    3/?
    Comments:
    1
    Kudos:
    3
    Hits:
    79
  10. Tags
    Summary

    How, then, does one define a ‘soul’? Is it developed over one’s lifetime or the moment they are born? Are some naturally evil, rotten from their very core, or is such a thing learned? Does it have something to do with genetics? A difference between blood and magic?

    How do people grasp the idea of what makes them themselves when such an idea is easily discarded?

    OR -- the AU in which a monster absorbs a human soul and the consequences that come from messing with the continuity of the multiverse.

    (ANOMALYTALE is a mix of previous ideas/AU's ive messed around with over the years, including my old & abandoned au, devastationtale. some chapters may be unsuited for certain people, so please make sure to read tags/warnings before you read! hope you enjoy!)

    Act One: Sunrise - Ch. 1 - Ch. 7
    Act Two: Times of Peace - Ch. 8 - ?
    Act Three: Times of War - ?
    Act Four: Sunset - ?

    Language:
    English
    Words:
    24,119
    Chapters:
    9/41
    Comments:
    17
    Kudos:
    29
    Bookmarks:
    5
    Hits:
    577
  11. Tags
    Summary

    After a Genocide route, Sans completely ignores his promise and tortures Frisk.

    Series
    Language:
    English
    Words:
    762
    Chapters:
    2/?
    Comments:
    11
    Kudos:
    8
    Bookmarks:
    2
    Hits:
    706
  12. Tags
    Summary

    Alanna isn't one to listen to superstitious warnings; so it is unequivocally her fault that she fell into the bowels of Mt. Ebbot. Will she be able to untangle the complicated mess that Frisk, who is not exactly what they seem, has left behind to give the Underground the happy ending it deserves? And what is this darkness that's spreading into their world? Will a simple pacifist route do?
    Officially the Interfusiontale AU.

    Language:
    English
    Words:
    24,870
    Chapters:
    15/?
    Comments:
    5
    Kudos:
    13
    Hits:
    156
  13. Tags
    Summary

    Their mouth doesn't have any petals in it this time so they grasp the opportunity with fingers matted with a disgusting mix of dust and blood and just laugh to their heart's content like a fucking psychopath- a demon like their mother pegged them for.

     

    Language:
    English
    Words:
    2,764
    Chapters:
    4/?
    Comments:
    25
    Kudos:
    23
    Bookmarks:
    2
    Hits:
    314
  14. Tags
    Summary

    This is about many (but not too many like in HOSB) Sans and Papyrus's taking care of an abused toddler and the antics that follow!

    Language:
    English
    Words:
    2,902
    Chapters:
    2/?
    Comments:
    25
    Kudos:
    117
    Bookmarks:
    21
    Hits:
    1024
  15. Tags
    Summary

    Sometimes, when Frisk dreams, they dream of a little house in a dark, cavernous pit.

    On rare occasions, they can enter the house, and, on even rarer ones, they run into some of it's inhabitants.

    Or:

    The ghosts that aren't actually ghosts are antisocial misfits who just want some new friends

    Series
    Language:
    English
    Words:
    1,937
    Chapters:
    1/1
    Kudos:
    9
    Bookmarks:
    1
    Hits:
    95
  16. Tags
    Summary

    The Player is confronted by the person they hurt the most.

    Language:
    English
    Words:
    1,311
    Chapters:
    2/2
    Comments:
    6
    Kudos:
    20
    Bookmarks:
    1
    Hits:
    196
  17. Tags
    Summary

    Chara and Frisk ponder their unfamiliar existence as they watch Kris sleep.

    Language:
    English
    Words:
    935
    Chapters:
    1/1
    Comments:
    4
    Kudos:
    50
    Bookmarks:
    1
    Hits:
    518
  18. Tags
    Summary

    You're not really sure how you ended up here. You're not really sure where to go or even how to get back to the surface. But you're really not sure what to do with a psychotic flower hanging around.

    Language:
    English
    Words:
    10,826
    Chapters:
    9/16
    Comments:
    22
    Kudos:
    48
    Bookmarks:
    3
    Hits:
    952
  19. Tags
    Summary

    A week has passed since the human’s defeat—the Underground and all of its inhabitants are still shaken from the attempted genocide, but life is at least starting to return to normal. Monsters are returning to their homes, Alphys is continuing her research on determination, and Asgore and Undyne are working to rebuild their devastated kingdom. However, not everything is going smoothly. Strange things have begun happening to Undyne, things she can't explain, and soon it becomes apparent that something is very, very wrong.

    Series
    Language:
    English
    Words:
    35,476
    Chapters:
    19/19
    Comments:
    45
    Kudos:
    25
    Bookmarks:
    3
    Hits:
    557
  20. Tags
    Summary

    Floating in the void of the world they just destroyed, the thing that used to be Chara Dreemurr is contacted by the thing that used to be W. D. Gaster. Gaster enlists Chara's aid in his ultimate experiment: Creating and manipulating an entire simulated world. For Chara, it's a chance to envision a world where the trauma and tragedy that shaped them never occurred. A world where they finally have the safety of control. For Gaster...well, his motives are shrouded in darkness.

    But control is a fragile thing. Can a time-displaced scientist and a dead child truly hope to play God without consequence? Whatever happens, this experiment should be
    very
    very
    interesting.

    Language:
    English
    Words:
    23,367
    Chapters:
    12/12
    Comments:
    76
    Kudos:
    105
    Bookmarks:
    16
    Hits:
    1695

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