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  • Can I live in undertale?
    1.9K 104 13

    "I don't want to go!!" I scream "Undertale is my life now!!" Bolt throws science on me: "Its just a game. We have to go home..." I know in my heart I cannot leave. What about Sans and papyrus? Goat mom? All the other monsters? I hate my birthplace. I won't leave... (I didn't create any of the art.)

    Completed  
  • When Worlds Combine ~ Sans X Reader
    78.4K 3.2K 11

    Frisk was a good friend of mine, despite the age gap. About a week ago, they disappeared, only recently found. It wasn't long for Monsters to return as well. I, in all honestly, am scared. The world will be changing, and change never comes easy. Frisk seemed happy, though, in fact so far it's been okay. Frisk introduc...

    Completed  
  • AfterDeath
    25.4K 704 16

    This is a story of the God of death and the monster that refused to die. What will happen when they meet, will they hate each other, will one die or will a feeling emerge that they never expected. This is a AfterDeath Roll play me and my friend did we took a lot of creative liberties so don't get mad if it's it like...

    Completed  
  • A rose in a bush of thorns - Asriel X Reader [CONTINUED]
    28K 871 13

    Asriel X Reader - "It was a day like any other for you, a young child of 8. You were skipping around the fresh garden surrounding the mountain that you loved to go to every early morning, around 5 am or so."

    Completed  
  • Gaster x reader
    13.6K 250 30

    In this book I plan to do one shots for Gaster the royal scientist, for the underground. Requests are accepted and would really help in the making of this oneshot book. I will not do lemons due to the fact that...... (Throws hands in air and falls to knees) I do not know how to!! anyways hope you like the book. Since...

  • Gaster x Reader- Not Your Fault
    106K 3.3K 13

    You're a human who has fallen down into the underground. There you meet a certain skeletal scientist and his sons. Will you get close to the family or will you become their enemy. Loosely based on TheBombDiggity666 Dadster comics (which you should totally check out if you haven't already) and occurs before frisk's ap...

    Completed  
  • Sanstastic (Sans x Reader)
    4.2K 69 15

    ~Undertale Spoilers~ The barrier has been broken and now monsters roam the surface again and you find a familiar face with some new friends. Maybe some are even more... Credit to Toby Fox for anything in this story from Undertale. Also Credit to whoever created the fanart. I don't know whose it is, but it isn't mine. ...

    Completed  
  • The hard life (Sansxreader) COMPLETED
    13.7K 290 29

    Y/N was the eldest of the royal family. Her life was great. She was turning 16, the age where she'll be able to help her parents with royal duties, and get more privileges, when her younger sister, Frisk, goes missing. Y/N's life falls apart, while her mother heartbroken, and her father started to ignore her. Not havi...

    Completed  
  • Reminiscent (Sans X Skeleton! Reader)
    23K 543 17

    {Completed} {Will not be edited} Reminiscent {adjective} - Reminding you of people or experiences in your past. ☝︎✌︎?︎❄︎☜︎☼︎ WDG - 1S WDG - 2P ?︎⚐︎☠︎❄︎ ?︎✋︎☜︎

    Completed  
  • Mettaton X Dark Female Reader
    23K 443 18

    You are a metal chick in black with some serious attitude. With the way you've been treated all of these years it's a no brainer why you are like this. Is there anyone or anything in the world that change you back to the nicer you? WARNING This story contains harsh language and abuse but, nothing major.

    Completed  
  • Flip My Switch [Mettaton x Reader]
    72.5K 1.8K 21

    A certain self-obsessed robot decides that he is your new best friend, and you don't particularly feel up to objecting. And your life is good, with your sister returned to you and a new robotic friend who is definitely only a friend and nothing more. That is, until one weekend changes it all, and you no longer know if...

    Completed  
  • I Am A God Book 1: Mimi
    204 1 30

    This is an Undertale fan fiction I don't own Undertale, that glory belongs to Toby Fox. Just a side note, this book has two authors, myself and a friend from my school, so if the writing styles change, now you know why. I don't have a cover at the moment because my friend hasn't made one yet. So if any of you guys wan...

    Completed  
  • More than friends (Female Chara x reader)
    495K 6.5K 66

    Yes there will be mistakes >:3

    Completed  
  • An Amazing Emotion (Papyton Fanfiction)
    10.8K 254 31

    An Au about a monster high school (Frisk goes too) In the later chapters there is depression, self-harming and implications of suicide

    Completed  
  • I and Undertale
    242 1 16

    Dis' is a rare and INFINITIVE comic dub ('bout da author)

    Completed  
  • Stay Determined
    5.9K 170 12

    (Reader insert) Your last day of school is over, and like usual, the first thing you do is go to play your favorite game, UNDERTALE, but things are different. The dialogue, the events, everything. And soon, you realize that it's because Flowey wasn't done messing with you. In an attempt to ruin your life, Mettaton get...

    Completed  
  • Monster And Human School
    255 13 11

    Monsters are already living on the surface. And yet, you are excited to meet them. So you enrolled in a monster and human school. Apparently, you're the only human there. Though you are nice to every monster who was there and you have your own dorm. Your roommate is DT Sans.

    Completed  
  • Hey, Doll | Gaster!Sans x Reader
    259K 13.2K 47

    Alone in a condemned world where monsters and humans fight for power constantly, Y/N survives off of the wood's riches and the small scraps of shelter she can find in ghost towns. Allies and friends have come and gone during the war, either killed or have parted ways. It's not all that bad. She could be dead, after al...

    Completed   Mature
  • Sacrifices (Undertale FanFic) [COMPLETED]
    12.6K 388 34

    Frisk has freed the monsters of the Underground. Finally, monster kind is allowed to return to the surface. It's been 3 years since then. Yet the monsters still struggle to find their place within the world. Most accept the monsters, but there are those who wish nothing more than the complete annihilation of monster...

    Completed  
  • Fallen >> An Undertale FanFiction (Sans X Reader) (Discontinued)
    8K 285 8

    (Y/N) fell down into the Underground when she was a child. After a near death experience and being saved by a goat-like woman, named Toriel, (Y/N) decides to stay with her. Nearly ten years later, (Y/N) starts having nightmares about a flower, a blue light, and a name. Chara. Then another human falls. Their name is F...

    Completed  
  • A New Life *COMPLETED*
    7.7K 291 17

    My name is (y/n) and I'm 17 years old. I go to high school, but not a normal one. This school is full of monsters! What will happen when the young (y/n) meets the pun loving skeleton, Sans? Will she fall for his charming puns or will she turn his soul to dust? ------------------------------------------------ Please l...

    Completed  
  • Passion of Injustice - Undyne x (Female)Reader
    10.2K 153 7

    You aren't supposed to be alive. You fell into the bowels of Mount Ebbot - you were supposed to have died, right? It doesn't matter, anyway. Someone very frightening is planning to end your life for you, pursuing you with the determination of a hungry piranha. In fact...she kind of looks like a piranha. Maybe not a...

  • The Final Reset
    182 5 14

    An Undertale fanfiction of how The Earth was destroyed. Also, I will post anything that you need to know here. *Each part isn't long, each ~200 words. * This takes place Post-True Pacifist Route. *Frisk is female. *Gaster is the father of Sans And Papyrus.

  • Burning ~ Undertale Grillby X OC
    701 4 11

    "Don't judge a book by its cover, doll." Medusa wasn't really the most liked monster in Snowdin, though she didn't particularly care. When Frisk begins yet another run, they are introduced for the first time. While being stereotyped, she goes to one flame haired man to talk to.

  • Just SING | Sans X Reader
    260K 7.4K 36

    --Long ago, two races ruled over Earth-- --HUMANS and MONSTERS-- --One day, war broke out between the two races-- --After a long battle, the Humans were victorious-- --They sealed the monsters underground with a magic spell-- --Many years later...-- --MT. EBBOT, 201X-- --Legends say that those who climb the mountain n...

    Completed  
  • Promise.
    3.8K 169 54

    You've reset so many times just wanting to get something new. It didn't seem to work. You gave up and kept the time you were in going. Monsters were above ground. Humans have accepted them. But you, you wanted to keep going but you made a promise and you plan to keep it as long as you can. Sans kept a close eye on yo...

    Completed  
  • On The Surface
    23 1 1

    So this is an Undertale story. Just so you know. You are the human that fell into the underground. Learning how this whole world worked, learning resets and much more, you have decided to give the monsters a happy ending. After choosing pacifist, becoming friends with everyone, you got to take all the monsters to the...

  • Sunrise
    1.2K 36 44

    *WARNING* Undertale spoilers!!!! I'm trying to keep in character as much as possible, but I'm human and they will be a little off at some point or another. It's supposed to be innocent, so things won't get too deep in terms of romance. No, there's no Papyton or Sansriel. The only pairing is the canon Alphdyne and As...

    Completed  
  • House Of Monsters - Undertale AU [ON HOLD]
    1.8K 77 10

    There is a mansion. An old, broken-down mansion with a great secret. There are humans. Humans who go about their daily lives ignorant of the mansion. There are monsters. Of all shapes and sizes. Of all colors and kinds. Monsters hidden away in a government-funded mansion to protect the two races-humans and monsters-fr...

  • LOVE-Undertale Pacifist Route
    826 16 14

    The Calming of Patience The Goal of Perserverence The Effect of Bravery The Pride of Justice The Reward of Kindness And the Beauty of Integrity... All fill you with... Determination