1 - 20 of 3125 Works in W. D. Gaster

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  1. Tags
    Summary

    Between Flowey and Frisk, the Underground has splintered into hundreds of different timelines - and Chara, in possession of Frisk's soul, is destroying them one by one. What can anyone do against such determination?
    Perhaps the answer lies in aid beyond the circle of monsters Frisk had come to care for before their soul was stolen.

    Series
    Language:
    English
    Words:
    22,135
    Chapters:
    13/?
    Comments:
    16
    Kudos:
    19
    Bookmarks:
    5
    Hits:
    271
  2. Tags
    Summary

    What if Frisk absorbed Asgore's soul and used it to cross the barrier?

    Language:
    English
    Words:
    48,561
    Chapters:
    18/18
    Comments:
    50
    Kudos:
    146
    Bookmarks:
    17
    Hits:
    2240
  3. Tags
    Summary

    In this world, the war between Humans and Monsters never happened. This has allowed them to grow closer and begin to cross breed via a rare process called Resonance, which involves Souls looking for other Souls with matching or similar frequencies. This creates such a loving and powerful bond that when the short-lived Human dies first, the grief their Monster partner feels Breaks their Soul, killing them and allow the two to be buried together.

    However, you're about to find out that this process doesn't always work as intended. When your Soul Resonates with your new neighbor Sans, he appears to have a panic attack and takes off.

    Despite that, there's an irresistible pull between you two and you're willing to do all you can to have a relationship with him--- even if you're not the one who finally Breaks him.

    Underfell AU
    Switches between 2nd and 3rd POV
    Updates Tuesday and Thursday

    Language:
    English
    Words:
    47,380
    Chapters:
    25/?
    Comments:
    725
    Kudos:
    505
    Bookmarks:
    64
    Hits:
    6908
  4. Tags
    Summary

    A series of one-shots/two-shots where Papyrus is a dick, Sans is depressed, the dog is annoying and life goes on.

    -read the tags, there's a lot of triggering things in here-

    Language:
    English
    Words:
    5,758
    Chapters:
    8/?
    Comments:
    32
    Kudos:
    56
    Bookmarks:
    7
    Hits:
    725
  5. 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:
    137,417
    Chapters:
    23/?
    Comments:
    262
    Kudos:
    209
    Bookmarks:
    29
    Hits:
    3377
  6. Tags
    Summary

    /You stood there in shock, staring at the gunman. He had a blank look in his eyes. Like it was all routine. Like he was numb. You chuckled and choked on the blood building up in your lungs. It spit out of your mouth as you coughed and smiled at him, shakily bringing your hands up and clapping. Your chest throbbed. Your lungs burned as it drowned in blood from the open bullet wound.
    He stared at you blankly. His gun still pointed at you.
    You collapsed as everything went black.
    As everything disappeared./

    Book 1: "Guns and Ammo" chapters 1-52
    Book 2: "White and Black Keys" chapters 53-????

    Language:
    English
    Words:
    110,876
    Chapters:
    117/?
    Comments:
    231
    Kudos:
    169
    Bookmarks:
    18
    Hits:
    3689
  7. Tags
    Summary

    A series of oneshots detailing how Frisk and Sans meet, grow up together, and eventually fall in love. Aboveground; monsters were never trapped. A whole lotta fluff!

    Language:
    English
    Words:
    30,868
    Chapters:
    12/12
    Comments:
    26
    Kudos:
    72
    Bookmarks:
    5
    Hits:
    977
  8. Tags
    Summary

    A crossover between the AUs of A Year Every Minute and Microwave Grapes, written by the authors in RP format over the last two years--creating a whole new adventure of Gasters who find their better halves in... themselves.

    Or, more accurately, the story of one Gaster who ruined another Gaster's room, started trading rude nicknames, and then helping raise each other's kids.

    Explores multiple potential universe setups and--get this--two bitter assholes being blindsided by the power of friendship.

    Series
    Language:
    English
    Words:
    104,914
    Chapters:
    18/?
    Collections:
    1
    Kudos:
    23
    Bookmarks:
    8
    Hits:
    418
  9. Tags
    Summary

    Inspired by Reapertale

    Life and Death have always been polar opposites but one cannot exist without the other. But Life creates a being that Death has never encountered before. He is darkness and She is light, can he accept this new creature who shines brighter than the sun itself?

    Language:
    English
    Words:
    12,976
    Chapters:
    9/?
    Comments:
    22
    Kudos:
    161
    Bookmarks:
    25
    Hits:
    1588
  10. Tags
    Summary

    When he was younger, Grillby came across a strange, nameless, apparently orphaned monster child.
    Being an orphan as well, Grillby took it upon himself to adopt and look after this skeleton that appeared to be unwanted by anyone else.

    Living in the Underground has never been easy for anyone, and hope is hard to come by when freedom seems like a fairy tale made up for children, but whatever happens they’ll have each other in the end.

    Language:
    English
    Words:
    10,312
    Chapters:
    28/?
    Comments:
    38
    Kudos:
    28
    Bookmarks:
    2
    Hits:
    563
  11. Tags
    Summary

    Frisk finds themselve being back in the the underground with the monsters they knew, but everything is different. Is this all a dream or something more?

    Language:
    English
    Words:
    21,286
    Chapters:
    20/20
    Comments:
    4
    Kudos:
    21
    Bookmarks:
    3
    Hits:
    440
  12. Tags
    Summary

    A collection of requests and drabbles that I've done over the year all collected into one pile for you to peruse at your leisure!

    Language:
    English
    Words:
    71,996
    Chapters:
    61/?
    Comments:
    7
    Kudos:
    44
    Bookmarks:
    3
    Hits:
    1227
  13. Tags
    Summary

    Monsters were never sealed Underground, and as a result, magic and technology have since intertwined. After the incident with his brother Sans begins to lose himself in his work, and eventually, settles on obtaining a 'Companion' to help fill the void in his life. However, his new addition to his life doesn't really seem like any other mechanical assistant that he has ever encountered before, and the more that he learns about her the madder he gets, and the deeper down the rabbit hole he goes...
    After all.

    We're all mad here.

    Series
    Language:
    English
    Words:
    46,784
    Chapters:
    5/?
    Comments:
    84
    Kudos:
    90
    Bookmarks:
    15
    Hits:
    1592
  14. Tags
    Summary

    Living a happy yet somewhat lonely life in a your old home town, you gain several friends.
    First one at a time, then just a whole lot at once.

    Oh and the best thing? Some of them seem to have gotten a bit of a crush on you.

     

    (Who you'll end up with is going to be part of a competition, so I'm keeping it kind of open for y'all)

    Language:
    English
    Words:
    29,177
    Chapters:
    6/?
    Comments:
    34
    Kudos:
    113
    Bookmarks:
    31
    Hits:
    1490
  15. Tags
    Summary

    Monsters were never sealed underground.

    19 year old Papyrus only had four months left of high school when he finds out that he's pregnant thanks to a one night stand at a party by a monster he had never met before. When his father finds out, he's kicked out and ends up moving in with his best friend, Undyne.

    (Ratings will change depending on comments)

    Series
    Language:
    English
    Words:
    67,921
    Chapters:
    22/?
    Comments:
    390
    Kudos:
    397
    Bookmarks:
    49
    Hits:
    6414
  16. Tags
    Summary

    Chara technically died from the fall, they are somehow alive, but with only half a soul. The only thing keeping them alive is the magic swirling behind the barrier, and so, they don't want the barrier broken. They're sabotaging everyone's hopes and dreams of reaching the surface for their own desire to stay alive.

    Language:
    English
    Words:
    12,786
    Chapters:
    4/?
    Comments:
    4
    Kudos:
    5
    Bookmarks:
    3
    Hits:
    111
  17. Tags
    Summary

    Jade loves Undertale, it's her favourite game. One day while doing a 'True Reset' she and her brother find themselves stuck in the game! To make matters worse every time they die they lose memories of their past life, it's going to be a long journey for those two.

    Series
    Language:
    English
    Words:
    9,093
    Chapters:
    6/15
    Kudos:
    3
    Hits:
    56
  18. Tags
    Summary

    This is not a normal reset. Frisk isn't quite alone from the start, and Sans can feel his sins crawling on his back.

    Takes inspiration from dokudoki's Core!Frisk AU on tumblr.

    Language:
    English
    Words:
    20,858
    Chapters:
    18/?
    Comments:
    165
    Kudos:
    924
    Bookmarks:
    129
    Hits:
    16454
  19. Tags
    Summary

    The monsters finally made it to the surface but something seems to be wrong with Sans.

    Sans had always loved his brother but somehow his feelings had started to transform from brotherly love to another kind of love.

    Language:
    English
    Words:
    39,720
    Chapters:
    37/?
    Comments:
    133
    Kudos:
    393
    Bookmarks:
    29
    Hits:
    8085
  20. Tags
    Summary

    After the monsters finally break the barrier and arise from Mount Ebott, Sela finds herself in a new situation. She had thought the mountainside to be a haven of solitude, only to find herself getting new neighbors. Will she keep herself closed off everything like she had planned to, or will her world be irrevocably turned upside down?

    Language:
    English
    Words:
    97,864
    Chapters:
    33/?
    Comments:
    78
    Kudos:
    153
    Bookmarks:
    25
    Hits:
    3698

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