Sciencesans Stories

Science!Sans made a reverse personality potion, they used it on Error, Such a big mistake. What will happen to the multiverse if the merciful destroyer changes? Can they...

HIGHEST RANK: #41 in Random juѕt чσur dαílч hαppєníngѕ wíth ѕαnѕ αnd híѕ díffєrєnt "hím(ѕ)"! (this book is full of Sanscest, trust me) EVENT: [n/a] Book C...

Im hecking bored so why the hell not Also these r gonna be done on mah tablet sooo my autocorrect is dumb lmao

This is a Dream sans angst, there are some parts that are not canon in this story and I appologize. :>. I also wanted to say that updates might be slow, I've been dea...

Ink was tired of dealing with Error, though, one day, he managed to capture the glitchy destroyer. Thinking fast, he went to Sci for help and came back with a potion tha...

Error liked being alone. Yet, one day, he felt himself lonely, and things started to go down from there. Well, he wished for it. *[Some chapters will contain censored sw...

| Some people don't change |

After several attempts, Sci finds a way to return Nightmare to his uncorrupted form, turning him good once more. But as soon as Nightmares old team finds out they plan t...

The multiverse rests in his hands, all depending, hoping, that he gets better. Demanding under the tones of kindness and good luck wishes. He needs to get better, he doe...

Reader meets WD Gaster. Takes place before the monsters are freed from Underground. Enjoy.

(Y/n): Your name (F/c): Favorite color (S/f/c): Second favorite color (C/o/c):Choice of clothing (E/c): Eye color (H/l): Hair length (H/c): Hair color I think that's al...

Ask or Dare any of the AU sanses that are in this story and if there are any sanses you wish to add so you can ask or Dare them, go ahead

This includes all the Y/N Aus as well REWRITE

I just love them okay requests open!

I don't own Undertale. We all know the stories of Error being a Geno, the original sans, or someone else entirely. But what... He wasn't only one type of Sans. What if t...

:)

Just like my Creepypasta what if Scenarios.

The cover IS'NT mine. If I own any of the characters I will let you know. The forced god concept is by @harrish6 This is my own original idea, except for the parts that...

A scifell fanfic for all you edgy sinners✨

Dream is tired of being the 'happy' ball of positivity that he is suppose to be.He's tired of everything from his 'brother' trying to kill him to his 'friends' being obl...