1 - 20 of 3966 Works in Alphys/Undyne (Undertale)

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  1. Tags
    Summary

    Papyrus comes out to his brother, but he wasn’t expecting Sans to do the same.

    Language:
    English
    Words:
    419
    Chapters:
    1/2
    Kudos:
    4
    Bookmarks:
    1
    Hits:
    24
  2. Tags
    Summary

    When you’re dirt poor and jobless, you’ll take whatever opportunities come your way. And hey, if that means you end up working for a monster made of fire, who are you to complain?

    You really just wanted to pay your heating bill.

    Language:
    English
    Words:
    8,203
    Chapters:
    6/?
    Comments:
    22
    Kudos:
    122
    Bookmarks:
    13
    Hits:
    1136
  3. Tags
    Summary

    The Monsters are stressed with the government trying to take Frisk away as “nicely” as they can, but they never expected the government to pull their trump card...Frisk’s biological mother.

    Arc 1: Ch. 1-36
    Arc 2: Ch. 37-___

    Language:
    English
    Words:
    166,455
    Chapters:
    64/?
    Comments:
    362
    Kudos:
    430
    Bookmarks:
    84
    Hits:
    10715
  4. Tags
    Summary

    After 3,000 years of imprisonment, Monsters are finally free. But ‘Free’ and ‘Safe’ are two very different things.
    While Humans learn to coexist with their new neighbors, something slithers in the dark, looking to bring it all crashing down.
    Angel and their adoptive brother, Asriel, will do everything in their power to protect this world’s future, no matter the cost…

    Series
    Language:
    English
    Words:
    96,316
    Chapters:
    31/33
    Comments:
    46
    Kudos:
    23
    Bookmarks:
    3
    Hits:
    1065
  5. Tags
    Summary

    Now, this is a story all about how your life got flipped-turned upside down and I’d like to take a minute just sit right there I’ll tell you how you became a dang ass skeleton fucker.

    It’s been three years since monsters have integrated into society. After a frightening experience, you start to run into the same skeleton everywhere you go, and your lonely life soon makes a one-eighty turn. In a world where magic is real and monsters are kind, can you find a way to be part of it? Can you let yourself fall in love again? Can you prove to the world that Take On Me by Aha is the greatest song ever written? Because it definitely, definitely is.

    The Reader uses she/her pronouns and is named--less of a self-insert, more like a story in second-person. I don't generally reply to comments cuz I like an accurate comment count (2021 update: haha fuck that you WILL hear my love and appreciation. that is a threat). Author uses they/she pronouns plz default to "they" unless u know me, or yknow u can just call me Mod. Thank you! :D

    Language:
    English
    Words:
    362,882
    Chapters:
    98/?
    Comments:
    3127
    Kudos:
    4531
    Bookmarks:
    699
    Hits:
    98905
  6. Tags
    Summary

    The world has been practically destroyed and is now run by the Alliances which dictates everyone’s future. The only hope one has is to escape into monster territory and pray that they decide to be merciful. (Y/N) and her cousin decide to take that chance.

    Language:
    English
    Words:
    24,147
    Chapters:
    13/?
    Comments:
    26
    Kudos:
    130
    Bookmarks:
    30
    Hits:
    1923
  7. Tags
    Summary

    All of my fankids start a group chat and chaos happens

    Or

    Everyone yells at Ryūji to leave but he doesn't.

    Language:
    English
    Words:
    41
    Chapters:
    1/?
    Hits:
    30
  8. Tags
    Summary

    You get caught in a web of lies, trapped in a house with six skeletons who'd be more than happy to erase your very existence off the earth. Will you be able to turn their way of thinking around? Get them back to how they were before their 'datemate' came along?

    Maybe. If you manage to blackmail her- with help, of course.
    Maybe not. If nothing is done to knock the Queen off her throne.

    UPDATES EVERY 3-5 DAYS.

    Language:
    English
    Words:
    6,237
    Chapters:
    3/?
    Comments:
    17
    Kudos:
    45
    Bookmarks:
    14
    Hits:
    347
  9. Tags
    Summary

    Happstablook floats outside of their little nook in Waterfall to explore the glitz-and-glam world of Hotland.

    Series
    Language:
    English
    Words:
    13,005
    Chapters:
    7/7
    Kudos:
    7
    Hits:
    85
  10. Tags
    Summary

    Sans just wanted to work his way up through the ranks of biologists--maybe win a Nobel, wouldn't that be neat--and make sure his kid brother can do whatever he wants with his life. Too bad that all of that goes out the window when one late night in the lab and an unfortunate amount of curiosity leads him to discover that his boss is making tiny monsters to use as lab specimens. Now Sans and his brother are on the run from both CORE labs and the monster mob with four snarky lab specimens that look just like him and have superpowers somehow?

    In the vein of Catistta's 100 Daily Drabble works, this is a story that is told (a maximum of) 250 words at a time and is updated daily. It's best enjoyed in full work mode.

    Language:
    English
    Words:
    32,790
    Chapters:
    133/?
    Comments:
    1131
    Kudos:
    250
    Bookmarks:
    25
    Hits:
    5625
  11. Tags
    Summary

    Things are settling down and finally everything seems fine after HOAG and FB. A true
    happy ending has been reached, Chara and Asriel are free and happy, the monsters are
    settling once again, and Frisk is just enjoying being a normal child. But are things ever that
    simple?
    There are monsters still in the Void that need freed, freedom comes at a cost though.
    Frisk is DETERMINED that everyone will have a true happy ending, but what will
    everyone's happiness cost them in the end?
    After all, in this world nothing is ever free.

    Series
    Language:
    English
    Words:
    55,883
    Chapters:
    10/?
    Comments:
    17
    Kudos:
    3
    Bookmarks:
    1
    Hits:
    103
  12. Tags
    Summary

    Things were going great for the undertale bros and their alternate selves until the machine started up.
    Why did 2 familiar looking humans come out of the machine?

    Language:
    English
    Words:
    28,612
    Chapters:
    15/?
    Comments:
    42
    Kudos:
    106
    Bookmarks:
    22
    Hits:
    1886
  13. Tags
    Summary

    "When the time comes pieces will be found and return to the rightful owner."

    There was a forgotten story when I was a child. Story of an ancient tree and heroes who bring peace to the realms as a forgotten story talked about six races who rule the world: Fairies, Monsters, Humans, Druids, Demons, Gods, and Goddesses.

    One day in the world fertile soil, Tree of Life had given birth to three fruits. Fruit of emptiness, the Fruit of Acceptances, the Fruit of Blessing. The power of these fruits was beyond the god and goddess therefore the war has broken between species. Gods and Goddesses were furious with species who live in the Mortal Realm because they claim the fruits as common. They sealed the monster in Mt.Ebott and They gave the humans and druids a great cataclysm. The first fruit, Fruit Of Blessing taken by gods the Upper Realm. Then the second fruit, Fruit Of Acceptances taken by demons the Darker Realm but the last fruit was never been found. My elder ones believe the last fruit still somewhere in the world waits the be found again.

    Language:
    English
    Words:
    9,571
    Chapters:
    7/?
    Comments:
    26
    Kudos:
    16
    Bookmarks:
    4
    Hits:
    302
  14. Tags
    Summary

    The golden sunlight filtered in through the window, and a long shadow was cast. A skeletal figure stood, eyes dark, as the child approached, dust and blood coating them. A glitch, a flicker, and a knife was in their hand. They smiled, their eyes glowing red.
    A new plaything, just what they wanted. They could only imagine how fun this would be.

    Aka: Frisk made a terrible mistake, and thought their only option was to sell their soul to Chara. Now they have to live with the consequences of sharing their soul with a demon, while trying to end the Resets once and for all. But no one can live through all of that, and more, without quite a bit of trauma.

    Trigger warnings: Alcoholism, abuse, death, blood, gore, some swearing, suicide and related topics, self-harm and related topics, murder, grief, general discrimination (mostly directed at the queer community), in-depth mental breakdowns, discussion and portrayal of trauma, mentions of triggers, misgendering, transphobia
    Let me know if you think I need to add any, as much as I love people reading my stories my main priority is keeping you guys safe.

    Language:
    English
    Words:
    61,627
    Chapters:
    21/?
    Comments:
    8
    Kudos:
    48
    Bookmarks:
    2
    Hits:
    1242
  15. Tags
    Summary

    Swap Alphys has only ever been in love with two people, her Undyne and her Blue. When Undyne dies after Alphys takes the throne, Alphys seeks out Blue. Eventual Swap Salphyne.

    Series
    Language:
    English
    Words:
    11,885
    Chapters:
    7/?
    Comments:
    20
    Kudos:
    57
    Bookmarks:
    12
    Hits:
    1057
  16. Tags
    Summary

    The Masked Man awakens at the bottom of a hole after the Dark Dragon's desolation.
    They have nothing but their sword, their blaster, their duty, and a mysterious voice in their head.

    (The fic gets better as it goes on.)
    WE'VE GOT A DISCORD! :D
    https://discord.gg/ZKypUncR

    Series
    Language:
    English
    Words:
    61,164
    Chapters:
    6/6
    Collections:
    1
    Comments:
    11
    Kudos:
    43
    Bookmarks:
    4
    Hits:
    793
  17. Tags
    Summary

    Chara woke up at the entrance to the Underground, next to a human. Deciding to find her adopted family, The Dreemurrs, and let them deal with this, Chara started to walk away from the other human. Unfortunately, her plan quickly goes out the window when She and Frisk discover that they are sharing a soul. Now Frisk and Chara have to navigate the Underground in an attempt to find an answer to their mysterious situation. All while avoiding monsters that want to take their soul and use it to break the barrier.
    (Some of the pairing listed won't happen until late into the story.)

    Language:
    English
    Words:
    1,757
    Chapters:
    2/?
    Comments:
    6
    Kudos:
    10
    Bookmarks:
    3
    Hits:
    141
  18. Tags
    Summary

    In a world where Papyrus and Sans aren't brothers but still the only skeletons left.
    Where Papyrus was found as a baby by Toreil and hidden away in the ruins and Sans found in the dump by Asgore at age 14 without knowledge of anything but science. The two live very different lives.

    So when a human falls and sets them all free, Friendships break, deals and paperwork need to be done with humans, rumors of another skeleton being around with the ex-queen spread. And mixed feelings fill the surface air as life moves on more complicated than ever.

    so when Papyrus and Sans meet, the two don't know what to do. Papyrus is getting intrusive thoughts and Sans doesn't like the fact he thinks someone younger than him is hotter,

    Language:
    English
    Words:
    2,384
    Chapters:
    1/?
    Kudos:
    5
    Hits:
    24
  19. Tags
    Summary

    Sans has an idea for a prank, Papyrus cusses and alphyne has kidnapped this fic.

    Language:
    English
    Words:
    958
    Chapters:
    1/1
    Comments:
    3
    Kudos:
    5
    Bookmarks:
    1
    Hits:
    23
  20. Tags
    Summary

    You already know how it all ended, but not exactly how it all began. This is the Prequel to my popular story 'Behind The Mirror'.
    This is going to start off focused in the Mirrorverse for a while before going to the Crossroads and the Nexus. If you haven't read 'Behind the Mirror' yet, it will not hurt for you to wait on reading it. This is a Prequel afterall.

    Series
    Language:
    English
    Words:
    2,740
    Chapters:
    1/?
    Bookmarks:
    1
    Hits:
    11

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