Gasterblasters Stories

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...

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...

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

In a world where heroes rise and darkness lurks, a unique girl named Sans finds herself thrust into the vibrant halls of U.A. Academy. With a mysterious past and the pow...

YN Sans grew up wanting to be a hero. With the help of his best friends Frisk and Izuku, he aims to go to UA and accomplish that goal. Sans Male OC x Frisk

Sans and Papyrus' dad is the one and only Dr. WD Gaster. There mom is.. a werewolf?

Ink had a.. how do you word it? 'Odd' ? That's a good word, he had an odd dream. After waking up, since that day he's been having even more odd dreams. The Star Sans, In...

First Draft The Player has taken over Frisk and is wreaking havoc Underground over and over and over. Sans has broken from the carnage and sacrificed himself to let Papy...

It's seem sans has been reincarnated after died at frisk hand but there's different happening

An fgod Empireverse crossover.

You were only 13 when it happened, you were with your mom in the car when you were hit on the highway by a drunk truck driver. Since then you've seen some things others...

Reincarnated in the BNHA universe with the powers of Glitchtale Gaster (By Camila Cuevas on YouTube, subscribe) and Nephilim Sans from the thought.

Erin was a gaster blaster who was made by dr Gaster for his son Sans. After a few years Sans had grown up and had left the lab taking Erin with him, he had other gaster...

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...

It is a undertale genocide run but has some major tweaks in it.anything undertale related belongs to DAT BOI TOBY FOX..And some of the ocs is obviously mine, but try to...

A Underswap/Gasterblaster story Credit to the au's used goes to their creators I'm only responsible for writing the story, for this is a fan made story that's based on a...

Disclaimer: In my OC (this one) Frisk is a female. This is not cannon and ties into the GZ sans AU because sans ate determination pills. i hope you like this!

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

UNDERTALE SPOILERS! it had been a long time since a human had fallen down. They only needed one more human so they could be free from the underground. Sans were talking...