1 - 20 of 1140 Works in Alternate Universe - Underswap

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  1. Tags
    Summary

    Being the Judge of the Underground isn't just a job, it's about being chosen to carry out the infallible will of the Royal Family, to keep chaos and crime at bay, to protect all of Monsterkind.

    And for Papyrus, it's about being helpless, and afraid, and alone.

    Language:
    English
    Words:
    71,080
    Chapters:
    17/18
    Comments:
    82
    Kudos:
    210
    Bookmarks:
    33
    Hits:
    2903
  2. Tags
    Summary

    Sans visits a different timeline out of pure curiosity.
    The fact his heat was literally just around the corner just slipped his mind.

    Language:
    English
    Words:
    3,277
    Chapters:
    3/?
    Comments:
    11
    Kudos:
    19
    Bookmarks:
    6
    Hits:
    217
  3. Tags
    Summary

    Four years ago, Blue might have greeted a truly awful day with a smile, maybe a loud proclamation of his own greatness. It’d seemed almost… simple. All he had to do was stay bubbly and bright, and the world would right itself. If he gave it some time, he would adjust. After all, he was loved, right? He was married, cared about by two of the most considerate monsters in the whole of four undergrounds. Even without the hope of that classic dream of a family, he’d thought… maybe he could be happy.

    He was beginning to learn that life didn’t quite work out the way he’d always thought it would.

    Series
    Language:
    English
    Words:
    31,461
    Chapters:
    11/17
    Comments:
    189
    Kudos:
    117
    Bookmarks:
    11
    Hits:
    1242
  4. Tags
    Summary

    Sans has been spending a lot of time with a new friend he doesn't want Papyrus to meet, he becomes highly suspicious.

     

    Title may change.

    Series
    Language:
    English
    Words:
    5,044
    Chapters:
    3/?
    Comments:
    2
    Kudos:
    52
    Bookmarks:
    2
    Hits:
    392
  5. 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:
    232
    Kudos:
    169
    Bookmarks:
    18
    Hits:
    3694
  6. Tags
    Summary

    Five weeks apart and the fear of a disappointed partner results in a very wrong way to eat cake.

    Language:
    English
    Words:
    2,268
    Chapters:
    1/2
    Comments:
    2
    Kudos:
    10
    Hits:
    107
  7. Tags
    Summary

    Eve Rhyden is a well-kept secret and is fiercely protective of her younger brother Kenji. The measures set in place to protect her have unfortunately caused her to be introverted and friendless, but she's had it drilled into her that her duty is more important than her own comfort. So how is it going to sit with her when monsters start popping up and try to butt into her locked up life? Lot's of fuckery and angst of course!

    Language:
    English
    Words:
    61,361
    Chapters:
    32/?
    Comments:
    42
    Kudos:
    78
    Bookmarks:
    9
    Hits:
    964
  8. Tags
    Summary

    You're a recently awakened human mage who has been forced to sign up under the Mage Registration Act and court-mandated to seek tutelage for your dangerous and out-of-control magic powers. Thankfully, the police officer has referred you to an apartment building chock-full of skeletons---- half of whom you have managed to piss off in the past several days. You struggle to keep your jobs, your powers, and your heart under control, but shenanigans ensue. Because you're dealing with skeletons.

    Language:
    English
    Words:
    37,975
    Chapters:
    9/?
    Comments:
    110
    Kudos:
    204
    Bookmarks:
    43
    Hits:
    2639
  9. Tags
    Summary

    You are Rhia (short for Rhiannon), a web editor, who is just starting to get into the popular video hosting world of ViewStream, as a digital artist/gamer. After a fight with your controlling parents, you decide its more than time to get out on your own. Now you're in the middle of nowhere, wondering how in the heck you let Undyne and Alphys talk you into moving in with their skeletal friends.

    This is your adventure in life and love with a whole bunch of skeletons.

    Series
    Language:
    English
    Words:
    88,067
    Chapters:
    36/?
    Comments:
    657
    Kudos:
    530
    Bookmarks:
    92
    Hits:
    9548
  10. Tags
    Summary

    (New Summary)

    Undertale? Of course, you’ve heard of it. Who hasn’t heard of that popular video game? You’ve read more fanfics for that game than you can count. You never once considered that it was more than just a game, though. It’s not until you suddenly wake up in the world of Undertale that you realize that the characters are actually real. Amazing as this is, you can’t help but be concerned about how you got there. One minute you're walking to class, and the next you're waking up in the snow. And, if appearing in Undertale wasn’t already a big enough shock, you keep AU jumping and ending up in different Undertale-based worlds! While you have no problem with meeting the different versions of everybody’s favorite skeletons, you quickly realize something weird is going on in each world you visit. Something that’s causing a lot of trouble and damage. Looks like you won’t be able to go home until you figure this mess out. Well, at least you get to befriend some cute skeletons along the way.

    Wait a minute! What the hell is wrong with your soul?!!

    Language:
    English
    Words:
    89,279
    Chapters:
    15/?
    Comments:
    228
    Kudos:
    332
    Bookmarks:
    51
    Hits:
    3834
  11. Tags
    Summary

    A collection of unrelated short stories. Currently not open for requests, but any and all requests posted are adoptable, if any writers are looking for inspiration.

    Language:
    English
    Words:
    27,538
    Chapters:
    17/?
    Comments:
    255
    Kudos:
    178
    Bookmarks:
    23
    Hits:
    2778
  12. Tags
    Summary

    After the Assassination of the of Queen of all monsters along with her child ambassador Chara and their adoptive father Asgore, Monsters lose their beacon of hope and are quickly forced into slavery.
    heavily inspired by V_mum's fic Slavetale

    Underswap ver. Of Slavetale.

    Series
    Language:
    English
    Words:
    18,665
    Chapters:
    9/?
    Comments:
    17
    Kudos:
    90
    Bookmarks:
    12
    Hits:
    1166
  13. Tags
    Summary

    You are just a normal short person who challenges random people off the street to pay you to try and beat you at DDR for money. That's your job. Yep.

    But, when a slightly-taller-than-you skeleton comes along and challenges you again and again, you get a great friend! And another great friend! Who are brothers! And way both may be kind of interested in you? Oh boy, have fun with that!

    Language:
    English
    Words:
    5,742
    Chapters:
    4/?
    Comments:
    40
    Kudos:
    108
    Bookmarks:
    18
    Hits:
    803
  14. Tags
    Summary

    The underground factions of the city were secretly working together and in the center of it all…
    was you.

    Series
    Language:
    English
    Words:
    54,578
    Chapters:
    22/?
    Comments:
    778
    Kudos:
    1393
    Bookmarks:
    212
    Hits:
    24060
  15. Tags
    Summary

    Underfell Papyrus (A.K.A Edge) gets into a fight with his brother (Red). Push comes to shove, and accidents happen. Sans, who swung by with Ink (Inktale Sans) to say "Hi" ends up in the middle of it all, while Flowey is all too bored to care, but he does end up noticing some things that the others don't...

    Language:
    English
    Words:
    10,490
    Chapters:
    7/?
    Comments:
    9
    Kudos:
    25
    Bookmarks:
    2
    Hits:
    358
  16. Tags
    Summary

    Everyone knows the story of Frisk, Chara, Asriel, and the monsters of Undertale. But no one knows much about how the different runs and Resets affected the stability of the universe. So when the Alpha timeline is on the brink of collapse because of Frisk and Chara's dance through time and space, the universe decides it's had enough. But, with Frisk forced out of the Underground, who will take their place?

    Enter, two new humans: sisters June and May Skies. However, with two new humans comes new problems. Chiefly, when both of them have a habit of stumbling into (or on to) things they shouldn't. Before long, the girls are in way over their heads...and it turns out the multiverse has more in store for them than they ever imagined.

    Series
    Language:
    English
    Words:
    187,342
    Chapters:
    44/?
    Comments:
    40
    Kudos:
    69
    Bookmarks:
    10
    Hits:
    1390
  17. Tags
    Summary

    Razz, the heir of the Beobyrian Empire, is on his way home from a diplomatic mission as his ship gets attacked by pirates. Suddenly he finds himself taken as hostage, and it doesn't seem like the pirates are planning to exchange him for a ransom anytime soon.
    How annoying.

    Language:
    English
    Words:
    83,372
    Chapters:
    23/?
    Comments:
    134
    Kudos:
    305
    Bookmarks:
    14
    Hits:
    2312
  18. Tags
    Summary

    “Y/N! I WOULD LIKE FOR YOU TO TEACH ME HOW TO KISS!”

    Your gaze abruptly snaps up from looking at your phone, and you see Sans standing in front of you with his hands on his hips, wearing a determined expression.

    For a few seconds, all you do is gape. How did he go from working on designing new puzzles to wanting to learn how to kiss?!

    Your cute boyfriend wants to learn how to kiss, so he asks you for help. Of course, you're happy to oblige.

    Language:
    English
    Words:
    2,100
    Chapters:
    1/1
    Comments:
    22
    Kudos:
    46
    Bookmarks:
    5
    Hits:
    462
  19. Tags
    Summary

    This is on my Wattpad but since I felt like putting it here I did.

     

    I need serious help

    Language:
    English
    Words:
    3,290
    Chapters:
    15/?
    Comments:
    62
    Kudos:
    191
    Bookmarks:
    2
    Hits:
    7777
  20. Tags
    Summary

    Lil takes it upon themself to change it up a little in this post-valentine special~
    In the form of 75% off plushies and cheesey love letters!

    *Includes selfshipping, if you don't like that please see yourself out now.

    Language:
    English
    Words:
    687
    Chapters:
    2/?
    Hits:
    11

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