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  • Switch (crossmare)
    101K 3.1K 47

    If you like Nightmare being a smoll who is now in the story plot that Cross usually is and a Cross that's now basically nightmare then you are in luck cause this book is for you!!!! Edit This book is based on characters that are not created by me (I have to add this now sense this book is getting kinda popular)

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  • Nekos (An Undertale Sanscest story)
    225K 7.2K 22

    Dear, Nightmare, Cross, Error, Dust, Horror, Killer, Lust, Reaper, Geno, Ink, Dream, Blue Hey guys, It's me...Sci, So uh, I've just discovered something really cool. And I mean like, really cool. I was wandering if ALL of you could come down to my lab this afternoon so I can show you this thing. I promise you'll love...

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  • when porcelain shatters
    32.5K 1.3K 34

    How would you feel if your body was change agaisnt your will? Ink gets caputred by horror during a battle. Through this time the bad guys messes with ink so he relys on them. or is it the other way around...? There will be ships in this, but they're uncertain and changing.

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  • Risen (after death, Book 2)
    7.1K 388 15

    Hi! I suggest you read book one, it's called fallen after you've done that you can read this unless you want to be a rebel and read this anyways. Well like I said previously on that I suck at descriptions so just read and you'll get the just of it eventually.

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  • Necklace Of The Merfolk(Sequel To Hidden Identity)
    5.1K 269 13

    Paperjam lived in the kingdom Ombrerius. He and his brother were proper princes, well, sort of. Paperjam didn't like acting older than he was. Gradient usually acts properly and criticizes Paperjam on his behaviour. One day Paperjam comes across an item that changes his fate and life forever.

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  • Spirit Animals
    101K 3.7K 35

    An Au where each person's spirit animal matches with their soul mate's. A Chemical can help determine who's spirit animal is who's. But when an experiment goes wrong, the skeletons are stuck together in a destroyed Au. What gonna happen now?(I honestly don't know yet either lol) If ur cringey and u know it clap ur han...

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  • My Insane Lover (Blueberry x Dust)
    35.8K 952 10

    All Blue wants to do is make friends. He stumbles upon a the skeleton who killed his brother in the Multiverse AU. He seeks revenge. That skeleton wants Violence and gives no MERCY, but Blue wants MERCY and no Violence but sometimes you have to give in. They never usually get along but what happens when one opens up a...

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  • secret love (inkmare)
    52.7K 1.4K 14

    well...don't even ask why...but...yes here is an inkmare story i thought you guys might like...I've gotten so manny ideas from one of my own fav inkmare story so...if the creator of a story that sounds really familiar is reading...don't ask

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  • Love over hate (inkmare/nightink)
    183K 4.9K 35

    When nightmare is told he isn't a king, he must marry to become one. He doesn't care about who, he just wants the name. Will he find love? Welp that changes when he finds out about one of dream's love potions......

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  • Old Mansion (a Sanscest story)
    60.8K 2.5K 21

    Looking for a creepy place to play games, Nightmare brought his friends to an abandoned mansion, ignoring the rumors about it being haunted. It didn't take long before weird things started happening in this insanely dark place though. But if there really are ghost here, what do they want ? Their lives or something els...

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  • Apocalyptic Love (A Crossmare Fanfiction)
    153K 5.5K 20

    They first came as individuals, people caught up in the Nuclear blast of Craitown. But people soon realised that the infected numbers were increasing. Cities were swarmed by mobs of what the few remaining survivors dubbed as 'Zombies'. The virus messed with their brains, driving them insane with a crazy instinct to ki...

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  • Criminal Boundaries (An Undertale Sanscest Story)
    285K 14.3K 82

    Sequel to Criminal Conflict! It had been nine years since the criminal gang last met up and did anything illegal. They'd planned on never really seeing each other again, keeping contact to a minimal. But as a new threat appears, a monster after all of their kids, the chances of reuniting goes up as the gang join up on...

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  • A.L.P.H.A Clan
    24.3K 911 23

    SEQUEL TO SPIRIT ANIMALS After the skeletons ignore a plea for help, the leaders of the A.L.P.H.A Clan kidnap them and take them as prisoners. They are forced to train to protect all the Au's in a weird, twisted way. The Skeletons must learn to work together, work with the enemy, and use their Spirit Animals to escape...

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  • Capture
    52.7K 1.2K 11

    The bad sanses and star sanses got a letter from sci to meet him at his lab. But I wonder what dose he want or need guess we have to find out. Or was it really sci who sent the letter at all? Characters Nightmare Error Killer Dust Horror Lust Ink Dream Blueberry or blue

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  • A Broken Blue
    14.2K 436 16

    this is my second book yay...... This is Blueberry's story. All he hopes for is someone to hear his story and share it with the world before he leaves. There will be 18+ but HOPEFULLY not as much as I will put in the other stories. (Update: CHECK OUT THE REMAKE PLZ!)

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  • Dreamswap my au
    29.3K 1K 28

    Cover not mine!! In the au Dream was forced to eat the apples by the villagers because they wanted him to get rid of his brother Nightmare like how some people make original Nightmare have passive as a ghost in This story Ds Dream has his passive/past self as ghost And Ds Dreams nickname is Micah(winged version)and su...

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  • Shelter(old)
    29.3K 699 14

    Error Sans forced god of destruction never believe he could find someone to call family. On his way doing his job destructing AUs he founds a girl trap in a empty Au by herself who knows how long. Join Error as he finds something to live for. Ok the force god of destruction belong to @harrish6 Got inspired by Harrish...

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  • Underfalls: The COMPLETE Trilogy To A Gravity Falls/ Undertale Crossover
    53.8K 1.3K 40

    The tale of how two twins from Gravity Falls, Oregon fall down Mt. Ebbot, and experience what most other humans have never seen before, and now, all three books are in one place! DISCLAIMER: I DO NOT OWN GRAVITY FALLS OR UNDERTALE, ONLY MY IDEAS AND PLOT TO THIS FANFICTION. THANK YOU

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  • The Stars in our Eyes
    5.4K 156 5

    A lovely story of four monster that will meet for more adventure. Including Undertale, Underswap, Altertale and Alterswap

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  • Dusttale
    17.3K 408 7

    Dusttale. A Korean Undertale AU. Sans completely has lost his mind and there is no way of stopping him. Unless you kill him for the second time. At first you didn't feel regret until this particular incident happened. Chara is even intimidated and scared. Sans isn't normal, and everyone is dead. But you didn't kill th...

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  • Who Says You're the One in Control?
    117K 3.8K 42

    Papyrus is dead. As are over 100 of the monsters in the Underground. Now it was just Chara against Sans in the Last Corridor. Already prepared to die here, Sans fights more out of responsibility than anything else. Simply waiting to die, and that would be the end. At least until next round, right? Unfortunately, Chara...

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  • Gastertale: The Story Of The Skelebros
    4K 114 9

    What if, after Gaster died in his experiment, Sans was angry and Papyrus moved on? What if Sans turns evil? Even against his own brother; Papyrus.

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  • Genocide
    14.2K 411 5

    Brother gone, betrayed, friends dead. Rough times leads to your mind to turn. I don't own Undertale. Sans POV Enjoy :3 REALLY OLD. READ MY NEW STUFF, NOT THIS GROSS PILE OF JUNK

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  • Shattered
    47.9K 1.2K 10

    Sans the Skeleton is full of mystery. So what happens when Papy, along with all of his friends, notice something off about the pun-loving skelebro? At the sight of a scarf, the others are clued in that their friend may not be as okay as they thought. So when the Human offers to help get him to reveal what's going on i...

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  • 🖤" That One Day..."🖤
    43.9K 1.7K 16

    Error... The forced destroyer of worlds... A man of true evil... Or that's what people say at least... Error wasn't actually a cruel man. He was misunderstood and no one would listen to his side of the story. Only very few would, those people being classic, nightmare and his gang, and of course our lovable blueberry. ...

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  • An Error in the Stars || Undertale AUs - Rewrite [Up For Adoption]
    23.3K 768 17

    We know very little about Error's past. He couldn't have always been the Destroyer, right? Where did he come from? Was he always a glitchy mess, or was he forced into that by Fate? Will he be able to forge his own Destiny? If you want to know the answers, or at least my version, read on. This is a story of a new AU, n...

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  • Broken Grace
    103K 3.1K 28

    A new version of Healing What Has Been Broken by @harrish6 This is a Forced God of Destruction story. What if when Error fell someone wasn't willing to let him go alone? What if the family he left behind wouldn't give up on him? What if the judges remembered they are not above judgement? Life is never simple especiall...

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  • Darkness is nice?
    5.8K 147 8

    This is basically about Nightmare and Dream!Sans. This contains vore. I was inspired by UnknownSans! Go check them out if you love vore. They really are awesome in my opinion. If you're reading this then all I want to say is that you're the best! Keep going and don't give up! I give credit to them for using some of th...

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  • No More (Undertale)
    70.8K 2.9K 13

    For years, Papyrus knows, Sans has had nightmares. Horrible nightmares, nightmares that leave him crying in the dark, crippled in the mind, and barely able to function in life. And that's why Papyrus stays so happy, so bright, for Sans, to keep his brother going through the hard times. But when Papyrus starts having...

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  • Smiling is a Coverup(Depressed Blueberry sans)
    53.7K 1.9K 28

    Blue is always keeping himself busy, trying to run away from feelings he keeps catching on too. But it will always eat him up. He keeps acting weird and "not himself", what happens when his friends notice this? !WARNING¡ * bad thoughts * depressed * self inflicted wounds? * art cover ISNT mine! * cussing

    Completed