1 - 20 of 158 Bookmarked Items in Uncorrupted Dreamtale Nightmare Sans (Undertale)

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  1. 25

    Summary

    Cross and Blue travel through a series of different realities, attempting to find something that can repair their own collapsing multiverse - luckily, it's been placed in a stasis by Error, so there's no need to rush. They have all the time they could ever need for things such as general shenanigans, making new friends - and enemies, of course - dragging an alternate version of Nightmare into the mess that they call their lives, threatening literal gods, being menaces to society in almost every possible way, accidentally adopting a child variant of Dream, somehow both improving and completely ruining the lives of everyone they meet... the list goes on.

    Cross just wants to complete their mission, and maybe punch a few people while he's at it. Blue is fully capable of getting into a fight with a god and winning, and he knows it. Dream is a traumatised five year old who just lost his brother and doesn't fully understand what's going on, but he's just happy to be involved.

    Nightmare is so, so tired.

    Words:
    10,778
    Works:
    6
    Bookmarks:
    25
  2. 12

    Tags
    Summary

    Oh: In which Blueberry learns earlier (through Error, in the Anti-Void) that his genetic material was used to build new beings: Nightmare and Dream.

    He's in shock and overthinking until he concludes that, hey, he wants to meet them. He succeeds, not in the conventional way, but he does… Now, we'll accompany Blueberror on his journey out of the Anti-Void, to observe his practically children.

    Language:
    English
    Words:
    21,961
    Chapters:
    8/?
    Comments:
    99
    Kudos:
    103
    Bookmarks:
    12
    Hits:
    1,306
  3. 35

    Summary

    In a nutshell:

    Nightmare, one of the twin guardians of the Tree of Feelings, eats one of the dark apples he's tasked with protecting. It awakens as a consciousness inside him, not quite hostile and not quite content to pal around as a hitchhiker in Night's head, but still willing to bide its time and learn about its surroundings and its new host.

    Maybe it has something to do with that pocket dimension he visits occasionally - the one with the entity that calls itself a human, and the only adult skeleton he's ever known.

     

     

    HandplatesXDreamtale crossover, but specifically the ukagaka versions.

    An incomplete list of works, including sketch comics, is available on this Index on Quonit's Sans-focused sideblog.

    Words:
    105,741
    Works:
    26
    Bookmarks:
    35
  4. 5

    Tags
    Summary

    Nightmare and Dream celebrate their coming of age party with the entirety of their court. When all seems to be going well, one small slip up changes everything.

    Series
    Language:
    English
    Words:
    6,017
    Chapters:
    1/1
    Comments:
    4
    Kudos:
    58
    Bookmarks:
    5
    Hits:
    683
  5. *

    Tags
    Summary

    !!NO ROMANTIC RELATIONSHIPS, NO SANSCEST, NO DREAMCEST AND NO INCEST!!!
    Dream and Nightmare are brothers and brothers only!!

    You yogurts.

    ~~

    When Nightmare goes on a solo mision, the gang take their chance, and sneak around Nightmare's room. They expected to find.. well.. nothing.

    What they didn't expect was a picture of Dream with another skeleton in a purple suit.

    Or the crown that looked identical to the one Dream had.

    Its time for Nightmare to see the truth about his past. Mainly, his brother.

    Series
    Language:
    English
    Words:
    80,104
    Chapters:
    31/31
    Comments:
    1,407
    Kudos:
    2,420
    Bookmarks:
    307
    Hits:
    62,498
  6. 7

    Tags
    Summary

    Nightmare wakes up one day and doesn't remember anything of the past hundreds of years. Now he has to re learn everything he knows.

    Language:
    English
    Words:
    5,833
    Chapters:
    2/?
    Comments:
    8
    Kudos:
    45
    Bookmarks:
    7
    Hits:
    524
    • 12 Jul 2025

      Public Bookmark

    • 24 Jun 2025

      Public Bookmark

      Bookmark Tags:
      Bookmark Notes:

      Haze
      AidSansKool
      Summary:
      Nightmare wakes up one day and doesn't remember anything of the past hundreds of years. Now he has to re learn everything he knows.

      Chapter 1: A flicker in the dark
      Chapter Text
      As Nightmare awoke, he groaned as his head pounded, his body going through soft spasms and aches. His stomach and groin felt like he had been cut open, his vision flickering in and out. A throbbing pain pulsed through his head, and the last memory that lingered was of biting into an apple, followed by the haunting visage of the terrified face of his brother before everything plunged into darkness. It felt like only seconds ago... He sat up with a groan, only to become aware of a weight on his chest that stirred with him as he rose. "Boss?" he heard, jolting back in shock as he realized there were other figures in his bed.. he looked around and saw them.. monsters that bore an uncanny resemblance to himself. Most were asleep, but one of them, with a gaping cracked hole in his skull and a wide, unsettling blood red eye, fixed his gaze upon him, looking confused and terrifyingly angry at the others presence. "Who are you?" the skeleton asked, sitting up hastily into a defensive position.

    • 13 Jun 2025

      Public Bookmark

      Bookmark Tags:
      Bookmark Collections:
    • 05 Jun 2025

      Public Bookmark

    • 31 May 2025

      Public Bookmark

  7. 79

    Tags
    Summary

    The Star sanses won and the multiverse is now at peace. But what happened to the terrifying king of negativity? Well let's say he's not a terrifying king of negativity anymore. He's now rather a very shy, confused and traumatized skeleton.

    Basically Nightmare healing from his corruption.

    (My writing isn't great, so just be aware that this is probably trash. Also english is not my first language, so I am sorry for any grammar mistakes.)

    - currently on hold -

    Language:
    English
    Words:
    43,318
    Chapters:
    21/?
    Comments:
    163
    Kudos:
    581
    Bookmarks:
    79
    Hits:
    12,292
  8. 52

    Tags
    Summary

    Adult Passive Nightmare's ill fated life in (pre-apple-incident) Dreamtale is forever changed when the "Murder Time Trio" come to his rescue against his usual bullies. Nightmare returns the favor by becoming their new dadmare. May have some dark themes.

    Language:
    English
    Words:
    18,771
    Chapters:
    10/?
    Comments:
    96
    Kudos:
    323
    Bookmarks:
    52
    Hits:
    5,013
  9. 36

    Tags
    Summary

    Nightmare... couldn't really believe what he was looking at. He didn't even want to believe it.

    Honestly, if there was possiblity to wipe clean his whole memory? He would do it, just to get rid of that one.

     

    -------

    Or, Past Nightmare finds his way into future Multiverse and together with others, future Nightmare is there to watch the fallout. Even if he very much would rather not.

    Language:
    English
    Words:
    1,146
    Chapters:
    1/1
    Collections:
    1
    Comments:
    37
    Kudos:
    345
    Bookmarks:
    36
    Hits:
    2,708
  10. 18

    Tags
    Summary

    (LamiaNightmare x Reader) or (LamiaError x Reader) or (LamiaCrossx Reader)

    You are a young woman who has gone back in time and is looking for two monsters who granted your last wish in your old life.

    Yet without clues, you have to live in a small chalet lost in the middle of nowhere as an explorer.

    Everything could have ended in this second life, if you had not found this monster during your last expedition.

    Language:
    English
    Words:
    38,260
    Chapters:
    11/?
    Comments:
    13
    Kudos:
    66
    Bookmarks:
    18
    Hits:
    1,872
  11. 9

    Tags
    Summary

    He was just doing his job as Guardian. Was it too much to ask for the minimal respect they gave his twin? Nightmare didn't think so. Still, he never understood the villagers' logic for the two of them.

    It didn't help that he had to experience all the negative feelings —turned into actions— against him firsthand. Nightmare was just a child when his whole life fell apart one day. One miserable day.

    He wasn't needed there, and certainly not here in their home —with everyone singing Dream's praises—.

    Nightmare couldn't take it anymore; he felt like he was losing himself. His Mother also knew he was losing himself.

    Series
    Language:
    English
    Words:
    13,568
    Chapters:
    10/?
    Comments:
    4
    Kudos:
    73
    Bookmarks:
    9
    Hits:
    834
  12. *

    Tags
    Summary

    The Sans AUs are teleported to a room to watch each of the 'bad guys' backstories. This is after they have made up. (Will mainly focus on Cross and Error as they are my favs!) [Geno, Fresh, Error are siblings and Reaper, Ink, Cross are siblings]

    Series
    Language:
    English
    Words:
    11,628
    Chapters:
    8/8
    Comments:
    131
    Kudos:
    624
    Bookmarks:
    106
    Hits:
    14,015
  13. 7

    Tags
    Summary

    Short Reader Insert like prompts

    Reader isn't always specified as human, nor is the relationship with any Sans directly given a label. You can request something in the comments with a concept and Sans.

    Language:
    English
    Words:
    5,292
    Chapters:
    14/?
    Comments:
    8
    Kudos:
    86
    Bookmarks:
    7
    Hits:
    1,310
  14. 61

    Tags
    Summary

    Dream finally breaks under the pressure.

    Language:
    English
    Words:
    10,812
    Chapters:
    1/1
    Comments:
    38
    Kudos:
    326
    Bookmarks:
    61
    Hits:
    2,952
  15. *

    Tags
    Summary

    Your name is Dream.

    And your brother's name, Nightmare.

    ...

    You take exception to that.



    Or:

    "So you two are the guardians of positivity and negativity?"

    "No, we're just arborists."

    Series
    Language:
    English
    Words:
    60,176
    Chapters:
    6/?
    Comments:
    57
    Kudos:
    413
    Bookmarks:
    111
    Hits:
    5,951
  16. 14

    Summary

    Where brother solidarity reigns unbroken and wishes grow to fruition, thus this story begins and ends with him and you.

     

    An absolutely-not-canon interpretation of Dreamtale.

    Words:
    61,815
    Works:
    2
    Bookmarks:
    14
  17. 4

    Tags
    Summary

    ... Moon?

    What is it, starlight? What is wrong?

    ... What happened to Dream, and the Tree? Sensing Nightmare's standoffish bristle, he cuts it off sharply. Moon. What really happened to them?


    or: Crescent finds out what happened during the apple incident.

    Co-written by two fictives. We kindly ask you to be respectful when commenting on this work.

    Language:
    English
    Words:
    1,528
    Chapters:
    1/1
    Comments:
    3
    Kudos:
    45
    Bookmarks:
    4
    Hits:
    532
  18. 8

    Tags
    Summary

    Once upon a time, there was a Tree, and its leaves were as the stars, and its fruit its own demise.
    (Or: Nightmare wins. He loses everything.)

    Language:
    English
    Words:
    840
    Chapters:
    1/1
    Comments:
    6
    Kudos:
    104
    Bookmarks:
    8
    Hits:
    890
  19. 54

    Tags
    Summary

    When Dream ate the apple and became Shattered, Nightmare was forced into his passive form. The multiverse would not allow both guardians to be corrupted at the same time. Night was distressed and heartbroken that the positive guardian was corrupted, but what he wasn't expecting was for Shattered to be so overprotective and obsessed with the negative guardian.

    This is a book of connected ShatteredMare One-Shots. They may not all be in order, but they do all take place in the same AU.

    This book is dedicated to AllestraAUs, who shares my love of ShatteredMare.

    Language:
    English
    Words:
    15,722
    Chapters:
    13/?
    Comments:
    696
    Kudos:
    354
    Bookmarks:
    54
    Hits:
    6,996
  20. 4

    Summary

    Endless Dark Desire, old and new version. A story about sirens, pirates and skeletons

    Words:
    9,078
    Works:
    2
    Bookmarks:
    4

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