1 - 20 of 310 Works in Pre-Undertale

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  1. Tags
    Summary

    You might not have been able to save the Monsters before, but you have found peace in this new life with Grillby. However, you're not the only Mage who is regaining their memories from the Human-Monster War. How will you be able to stop your worst enemy from destroying the peace the monsters have found, when you aren't even aware he's back?

    Series
    Language:
    English
    Words:
    49,601
    Chapters:
    14/?
    Comments:
    32
    Kudos:
    54
    Bookmarks:
    10
    Hits:
    973
  2. Tags
    Summary

    Every antagonist has a story, and Frisk's father Eric Adams is no different. Sometimes light can't destroy the darkness, and the way you fight your inner demons only makes them stronger. Sometimes it takes losing everything to give you the strength to get free. Warning, dark themes, but with a hopeful ending.

    Series
    Language:
    English
    Words:
    2,831
    Chapters:
    1/1
    Comments:
    8
    Kudos:
    12
    Bookmarks:
    1
    Hits:
    79
  3. Tags
    Summary

    Sans is struggling with alcohol issues, and getting drunk more and more. When he passes out drunk at Grillby's one night, an already worried Papyrus finally breaks down. Thankfully, a certain fire elemental is here to help.

    Part of the Hopes, Dreams, And DETERMINATION universe, and set before the events of the main story, but can very much be read alone.

    Series
    Language:
    English
    Words:
    1,401
    Chapters:
    1/1
    Comments:
    6
    Kudos:
    21
    Bookmarks:
    2
    Hits:
    159
  4. Tags
    Summary

    Frustrated with the pace of her training, a teenage Undyne learns of a possible source of strength below her house. Far below her house...

    Language:
    English
    Words:
    9,214
    Chapters:
    1/1
    Comments:
    4
    Kudos:
    11
    Bookmarks:
    3
    Hits:
    74
  5. Tags
    Summary

    “Asriel. Are you going to spend all morning trying to convince me of the joys of phonics?”

    He shut his mouth with a click, and then he beamed. “I have a fun surprise.”

    Chara stared at him, gauging his intentions, then dryly asked, “Helping you with math again?”

    “No,” he said, all smiles and even brighter than before. “Something better. Something outside.

    Series
    Language:
    English
    Words:
    4,113
    Chapters:
    1/1
    Comments:
    12
    Kudos:
    21
    Bookmarks:
    3
    Hits:
    138
  6. Tags
    Summary

    Mettaton is an incorporeal monster who can't sleep. Papyrus is a corporeal monster who won't sleep.

    The first time they meet, it's an inane hour of the night, and Papyrus is doing squats in front of Undyne's house.

    Series
    Language:
    English
    Words:
    1,132
    Chapters:
    1/1
    Comments:
    12
    Kudos:
    46
    Bookmarks:
    3
    Hits:
    196
  7. Tags
    Summary

    Chara is prompted by its abusive owners to go to a mountain named Mt. Ebott. Little did they know, a whole new life would meet them under the mountain. Follow Chara's journey into deviancy and navigating their new found family.

    Series
    Language:
    English
    Words:
    1,445
    Chapters:
    2/?
    Kudos:
    6
    Hits:
    56
  8. Tags
    Summary

    It has been a couple hundred years since the monsters have been trapped Underground and no human have trespassed the underground since. Without a human soul, the monsters must turn to their own magical power to find a way out.

    The Royal Magician and Scientist, WingDings Gaster and his two sons make several attempts to safely break the barrier, using experimental magics and ancient texts.

    One night, the two brothers make a new attempt and somehow manage to summon a very confused human to the Underground. Their victory is short-lived however, when the brothers soon realize the human’s soul is broken, shattered in the summoning process, and not strong enough to break the barrier.

    Gaster takes it upon himself to exchange half of his soul with the human’s, hoping he can heal one half enough for the soul to break the barrier and set them all free. Taking in half of the powerful monster’s soul in return, the human suffers quite a side effect: turning into a skeleton monster!

    Sans and Papyrus are tasked with watching over the human now turned skeleton while Gaster heals their soul.

    Series
    Language:
    English
    Words:
    11,817
    Chapters:
    8/?
    Comments:
    27
    Kudos:
    35
    Bookmarks:
    10
    Hits:
    271
  9. Tags
    Summary

    On a lazy afternoon during a quarrel with Sans' favorite flowery menace, Sans finds himself in a strange place; a world between worlds that looks awfully similar to the surface and it turns out he's not alone. What begins as a strange encounter leads to even more stranger events that alter the word of Undertale as we know it.

    Enter Rin Tohsaka: The New Heroine, as we follow her descent into this new universe that she'll have no choice but to consider home.

    Series
    Language:
    English
    Words:
    71,931
    Chapters:
    33/?
    Comments:
    6
    Kudos:
    16
    Bookmarks:
    1
    Hits:
    1384
  10. Tags
    Summary

    (Y\N) is a young female spy and soldier fighting in the War of Humans and Monsters. She is fighting on the humans' side of the war until a turn of events when she becomes apprehended by the enemy. What will happen when a young monster scientist tries to change her views?

    Language:
    English
    Words:
    70,349
    Chapters:
    23/?
    Comments:
    75
    Kudos:
    196
    Bookmarks:
    29
    Hits:
    4000
  11. Tags
    Summary

    Asgore visits the Blook Family Snail Farm. Stabstablook has no problems with this.

    Series
    Language:
    English
    Words:
    1,995
    Chapters:
    2/2
    Comments:
    14
    Kudos:
    53
    Bookmarks:
    3
    Hits:
    363
  12. Tags
    Summary

    This is a fic inspired by an AU created by @luyang_ginegr on Instagram. I highly recommend you check out RD's work! The focus of this fic is a self-insert reader meeting Grillby who in the AU is a war vet that served in the war between monsters and humans before the events of Undertale. I became obsessed with the idea and this fic is the result!

    This fic is set in a bar and there is explicit handling and consumption of alcohol so please be aware of that. I doubt anyone cares but I also don't want some rando on the internet coming after me, so. Without further ado, please enjoy!

    Language:
    English
    Words:
    1,299
    Chapters:
    1/1
    Kudos:
    2
    Hits:
    53
  13. Tags
    Summary

    Long before there was Frisk, a little girl named Violet fell into the Underground, having gotten lost on a field trip with her ballet group. Like Frisk, Toriel found her, and became like a second mother to her as she recovered from her injuries in the fall. However, Violet wants to go home. Can she convince Toriel to let her go? A prequel to the HDAD universe, but can be read alone.

    Series
    Language:
    English
    Words:
    2,026
    Chapters:
    1/1
    Comments:
    2
    Kudos:
    4
    Hits:
    96
  14. Tags
    Summary

    Alphys a fini de construire le corps de robot d'Happstablook.

    Language:
    Français
    Words:
    1,123
    Chapters:
    1/1
    Collections:
    1
    Comments:
    2
    Kudos:
    2
    Bookmarks:
    1
    Hits:
    15
  15. Tags
    Language:
    English
    Words:
    638
    Chapters:
    2/?
    Hits:
    26
  16. Tags
    Summary

    It looks like a normal day. 02's here, so make that a good day.

    Series
    Language:
    English
    Words:
    531
    Chapters:
    1/1
    Kudos:
    6
    Hits:
    99
  17. Tags
    Summary

    People are coming to help. Might be a bit late, though.

    Series
    Language:
    English
    Words:
    2,109
    Chapters:
    5/?
    Kudos:
    12
    Hits:
    246
  18. Tags
    Summary

    While doing community service pushing blocks, you meet Undyne Dreemurr. You're both here for committing arson.

    Hopefully next time, you'll be committing arson as a couple.

    Language:
    English
    Words:
    3,542
    Chapters:
    1/1
    Comments:
    34
    Kudos:
    62
    Bookmarks:
    8
    Hits:
    564
  19. Tags
    Summary

    For someone like Undyne who's always on the move, suddenly being forced to stop is an utterly bizarre experience.

    Series
    Language:
    English
    Words:
    2,691
    Chapters:
    1/1
    Comments:
    4
    Kudos:
    16
    Bookmarks:
    2
    Hits:
    105
  20. Tags
    Summary

    A story following Papyrus and Sans as children and just prior to the game. Features older sibling Chara, older brother Asriel, and more.

    Language:
    English
    Words:
    36,071
    Chapters:
    27/?
    Comments:
    99
    Kudos:
    252
    Bookmarks:
    28
    Hits:
    4816

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