1 - 20 of 3359 Works in Alphys/Undyne (Undertale)

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  1. Tags
    Summary

    With Monsters finally on the surface, Sans is looking for a purpose. Finding an interesting soul, curiosity digs its claws in deep, causing him to stumble and fall and fumble his way through a friendship with an intense side of attraction. Could she become his purpose?
    Going to try to be a slow burn, lots of drama and angst, topped with eventual smut and romance. Seriously intense attraction and denial.

    Language:
    English
    Words:
    90,162
    Chapters:
    30/?
    Comments:
    41
    Kudos:
    59
    Bookmarks:
    16
    Hits:
    1150
  2. Tags
    Summary

    The Underground is built around two things, even if the monsters there don't know it. One: The tragedy of the Dreemurr family, where two children were killed in one night. Two: Determination, and it's ability to send one back in time. So what happens when two new factors are related to both of these pillars? Well, to put it simply, the story becomes a lot less neat and orderly like it was in the normal game.

    Chara and Asriel find themselves in the Canon Universe, where they have to make new plans and form new relationships, with people who may not be that different to the ones they knew.

    Language:
    English
    Words:
    4,208
    Chapters:
    2/?
    Comments:
    4
    Kudos:
    19
    Bookmarks:
    4
    Hits:
    154
  3. Tags
    Summary

    Papyrus just wanted a day to relax. Perhaps clean up a bit. But then an accident happened caused by an Annoying Dog, and he appeared in an alternate world where everyone was... evil?? Now all Papyrus has to do is find a way back home with some help from a few new friends. It'll be easy!
    ...
    Right?

    Series
    Language:
    English
    Words:
    12,969
    Chapters:
    16/?
    Kudos:
    32
    Bookmarks:
    7
    Hits:
    458
  4. Tags
    Summary

    The monsters broke free. Only, they weren't what we had exactly expected.

    Now the monster mafia runs things by their books. I work at a bar in the city where they're most active, and one skeleton in particular has his eye lights set on me. But I'm not going to make it easy for him. He's the biggest name in the mafia, and I'm not gonna just bend to his will just because of that.

    Oh, no. I'm gonna make this drag out until he leaves me the hell alone.

    Or will he?

    Language:
    English
    Words:
    127,794
    Chapters:
    34/?
    Comments:
    97
    Kudos:
    256
    Bookmarks:
    42
    Hits:
    3693
  5. Tags
    Summary

    The end of the game isn't the end of the story.

    Series
    Language:
    English
    Words:
    121,956
    Chapters:
    12/?
    Comments:
    806
    Kudos:
    612
    Bookmarks:
    74
    Hits:
    11155
  6. Tags
    Summary

    Asra was raised by monster hunters. They had their origins in the war that time forgot, when the human-aligned mages locked away the monsters underground...or at least the ones they were able to catch in time. Those who remained went on to earn a place in various local legends, scattering all over the world for their own safety, and largely fading to the realm of myth. This earned her family none too good a reputation in historical circles, as they continued to insist on their version of events.

    When her mother sent her to investigate the Mt. Ebott disappearances, she wasn't expecting to learn that the old stories that ruined her life growing up were true. Now she had a choice to make....

    Critics say:
    -----------------
    "Oh
    My
    God"
    -----------------
    "Surprisingly hilarious"

    Language:
    English
    Words:
    16,501
    Chapters:
    13/?
    Comments:
    32
    Kudos:
    19
    Bookmarks:
    7
    Hits:
    159
  7. Tags
    Summary

    Frisk has freed the monsters... And in the process they also revealed a massive amount of other supernatural phenomena... Really dangerous supernatural phenomena. Perhaps there is a reason for the human legends depicting monsters as evil after all... At least the ones Frisk freed are good ones. But can the same be said for the creatures of the night? For the demonic spirits that defile the natural order?

    Series
    Language:
    English
    Words:
    3,193
    Chapters:
    2/?
    Comments:
    2
    Kudos:
    4
    Hits:
    18
  8. Tags
    Summary

    ✧ ✧✧ ✧
    A collection of many different stories, from one shot to multiple chapters, challenges to prompts, fan character profiles to summaries of my own alternate universes. And more!

    ~✿~✿~✿~✿~✿~✿~✿~✿~✿੭
     
    ☆ Story #573: A Flash

    ♡ Summary: Error finds a glitched up universe that needs to be destroyed.

     

    ~~~
     
    ~✿~✿~✿~✿~✿~✿~✿~✿~✿੭

    ✧ ✧✧ ✧

    Language:
    English
    Words:
    503,826
    Chapters:
    574/?
    Comments:
    2059
    Kudos:
    428
    Bookmarks:
    26
    Hits:
    11511
  9. Tags
    Summary

    Everything is not what it seems

    Everyone is not what they seem.

    Red didn't believe that. He believed that everyone can be predicted...

    But, not you... Why, though? What makes you so special?....

    "Wanna find out? "
    -------------------

    Lets go on our journey with Red(our goofy, hot, awkward, sweaty and quite possesive skeleton) and reader(our cute, smart, awkward, shy and blush-filled human) to find out what hides beneath their souls!

    Updates atleast 2-5 times a month.

    Language:
    English
    Words:
    2,786
    Chapters:
    2/?
    Comments:
    4
    Kudos:
    22
    Bookmarks:
    7
    Hits:
    251
  10. Tags
    Summary

    Space!! The Final Frontier!! But what lies beyond the reaches of the Milky Way? Our intrepid heroes are about to find out as they embark on a dangerous quest to return home after getting trapped in the Andromeda galaxy, approximately 2.5 million light years away from home.

    AKA the dumb amazingly epic star trek/undertale crossover i couldn't resist writing.

    Language:
    English
    Words:
    76,613
    Chapters:
    19/24
    Comments:
    58
    Kudos:
    24
    Bookmarks:
    8
    Hits:
    412
  11. Tags
    Summary

    After coming from a party hosted by Death, Sans has been feeling sick for about a week. He soon finds out he's pregnant. Not remembering anything from the party, he has to figure out who's the father. He also has to decide if he wants to keep the baby or let it go? If he does figure out who the father is will they want to keep it and make it work or will they want to get rid of it too?

    Language:
    English
    Words:
    35,233
    Chapters:
    15/15
    Comments:
    20
    Kudos:
    169
    Bookmarks:
    21
    Hits:
    2185
  12. Tags
    Summary

    “YES, WELL,” their expression seemed to scrunch up with... distaste? Disappointment? Nah, they didn't know you well enough to be disappointed. “'THAT LIFE' IS ILLEGAL, AS FAR AS I AM AWARE. I AM AFRAID THAT YOU HAVE TWO CHOICES HERE, HUMAN! EITHER–”

    “Only two?” you asked, your tone disappointed. They nodded solemnly at you.

    “ONLY TWO,” they said, “YOU CAN EITHER–”

    “Why only two?” you interrupted again, managing to maintain your poker face despite your sudden urge to smile. Their brow seemed to furrow, interestingly enough, as if their features were more elastic than they looked.

    “BECAUSE YOU HAVE MADE POOR LIFE CHOICES.”

    Language:
    English
    Words:
    64,231
    Chapters:
    12/?
    Comments:
    233
    Kudos:
    273
    Bookmarks:
    54
    Hits:
    2322
  13. Tags
    Summary

    You didn’t remember much but… it seemed like, in your life, hope was far and in-between - before and after the fall.

    Too bad life doesn’t let you brood long as it throws you a few kindred spirits in the form of a cute kid and a couple of boneheads, one of which annoys the hell out of you but won’t leave you alone. You’d ignore him and his shit-eating smile if that something in your chest would quit tugging you in his direction. Certainly, it was leading you to your utter demise. In pundom.

    Or straight to the pungeon as he’d say, unfortunately.

    Language:
    English
    Words:
    26,740
    Chapters:
    15/?
    Comments:
    151
    Kudos:
    338
    Bookmarks:
    70
    Hits:
    3844
  14. Tags
    Summary

    Undyne is lonely. Alphys is lonely.
    Undyne suplexes boulders. Alphys goes to Waterfall.
    Somehow, their paths cross.
    What's going to happen now?

    Language:
    English
    Words:
    1,780
    Chapters:
    1/1
    Comments:
    5
    Kudos:
    4
    Hits:
    14
  15. Tags
    Summary

    Frisk just thought it was a normal job. Steal the package and deliver, nothing she couldn’t handle. However, she quickly realizes her situation just got a whole lot more complicated. Now she is caught up in a gang war between monsters and humans, and all the while she tries to figure out who this mysterious “Judge” is.

    Language:
    English
    Words:
    10,539
    Chapters:
    6/?
    Comments:
    4
    Kudos:
    23
    Bookmarks:
    3
    Hits:
    210
  16. Tags
    Summary

    [This crossover mainly focuses on Undertale and the Hunger Games. Basic knowledge of those two fandoms is advised. Otherwise you don't need to know anything about the other fandoms mentioned above.]

     
    Welcome to the entertainment of the year. 24 tributes, 1 arena. Everything's allowed: Magic, weapons, magical weapons, you name it! Let's enjoy this glorious event, featuring a child with anger issues and another one with a stick. Aint that interesting! Enjoy this family friendly event now on your MTT brand home TV!

    All hail the eternal empire! All hail Brittania!

     

    (Warning: May include bad puns, skeleton puns, really bad puns, spaghetti, so much blood, adolescence in a world were mood swings can be especially deadly, no capes!, adorable goat monsters, pain, and leeeeegs)

    Language:
    English
    Words:
    10,899
    Chapters:
    5/?
    Hits:
    72
  17. Tags
    Summary

    Snapshots of Asgore and Undyne's relationship over the years.

    Language:
    English
    Words:
    6,678
    Chapters:
    1/1
    Comments:
    2
    Kudos:
    10
    Bookmarks:
    2
    Hits:
    38
  18. Tags
    Summary

    It's been a few years since Monsters and Humans have made first contact. While there is peace there's still plenty of tension. A mini summer vacation to a small town should be good, till the Alien Invaders show up.

    Language:
    English
    Words:
    2,050
    Chapters:
    1/?
    Kudos:
    4
    Hits:
    14
  19. Tags
    Summary

    You were here when monsters were trapped Underground.

    And you are still here when they were freed.

    You want to learn more about monsterkind. But being a mage make it dangerous. What if someone finds out your little secret ? Will you be able to hide it from your new friends ? And from those nosy skeletons ?

    Language:
    English
    Words:
    13,102
    Chapters:
    3/?
    Comments:
    7
    Kudos:
    45
    Bookmarks:
    9
    Hits:
    467
  20. Tags
    Summary

    Sans/Reader fluff and angst! And angsty fluff! And romantic fluff!
    Every chapter is its own story!
    Prepare or tears and happiness and other stuff!
    You can read this apart from the first work in this series, but I carry a lot of stuff over from that one, so I'd read it first to make sense of some of this stuff. I really only started a new work because I was worried the other one was getting too long.
    Thank you to everyone who supported me and left kudos on my last work! These are basically 1/4 canon compliant, because most of it is me talking about ships and stuff.
    Anyhoo, you just got back from Colorado, and immediately things start getting weird. How will you and Sans handle it?

    Series
    Language:
    English
    Words:
    47,092
    Chapters:
    18/?
    Comments:
    43
    Kudos:
    18
    Bookmarks:
    2
    Hits:
    619

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