Gasterblasters Stories

This is a GasterBlaster!Underswap!Sans fic in the world of Underswap. Sans (or Blueberry) is a ten-year-old skeleton who isn't allowed to leave home. While his father (G...

Dr. Gaster made 1-S and 2-P to break the barrier and start a war. When he disappeared, they were scared, confused, alone. They broke out of their prison and Grillby rais...

Eccedentesiast Noun Someone who hides behind a fake smile, when all they want to do is hide and/or die. (Cover art is not mine, and full credit to the artist!! (I...

After Frisk "fell" into the core, they became core!Frisk. While being stuck down there, Core!Frisk is determine to escape and after finding new friends inside...

You can go to book one to see the first god if you want :)

An fgod Empireverse crossover.

https://www.deviantart.com/undertalethingems/gallery/all Ja tu tylko tłumacze ;)

Frisk had fallen into a world of monsters just like in fairy tails. Now they have to escape from the underground with there life. #Gaster blaster sans

Story of a little Gaster blaster puppy going on an epic adventure to find a forever home

Frisk is struggling four years after the monsters moved to the surface world... Chara seems to be trying to take over, and Sans can't take it. Papyrus and Toriel seek th...

Basically what it says in the description... Just some pictures of Feraltale and BB Trust Au. Also some other pictures such as Temmie, Doomfanger, and The Annoying Dog...

What is wrong with Sans, and who is Gaster? This is such a reused Description. Undertale belongs to Toby Fox.

[[UNDERTALE SPOILERS!!]] After frisk had done the pacifist run many times, something gone wrong... Flowey never showed up in the end. So frisk lived in the underground w...

Exactly what the title says! X3 enjoy! And if you want me to do and ink sans x reader I will! ( also the cover photo isn't mine)

Comicmaker12 from Wattpad You are a princess but that's not what you want. Your dad wants you to marry a guy you don't know. When you need to visit him an guest blocks y...

I'm writing a fanfic on the back story of Sans and Papyrus. P.S most of this is based on pure theory

Fgod Error, his little sis(Pixel), Null, and Void end up in vampireverse. Now this is pretty typical, the twist though, is that they are gaster blaster shifters! They ca...

Before the events of Undertale. . . All was well in the underground. A skeleton named Papyrus was training to be in the Royal Guard and his skeleton brother Sans was par...

Grace is an artificial monster on the run from her human creater and finds herself in the Underground. Follow her as she makes her journey through the underground

Frisk has spent 8 years in the underground, during 4 of these long years her friendship with Sans grew to be something more, resulting in a beautiful relationship. Trage...