Gaster Stories

If you haven't read the other one, that's okay! This is mainly to fix timeline problems and mistakes on my part that don't make sense!

After the near-annihilation of the multiverse and his new-found philosophy, Error Sans wondered about perhaps a new beginning with less clutter. This new beginning start...

If you only care about one person, How broken will you be when they leave? How lost would you be without your light in the darkness? How far would you go to see them aga...

I DO NOT OWN FORMER TIME TRIO, THIS IS A FANFIC! The owner of FTT is unknown but most likely Redrum. The human. It was all the human's fault. Everything I (we) gone thro...

A story ported over from Archive of Our Own (Ao3); https://archiveofourown.org/works/63509197?view_full_work=true A mysterious experiment, conducted by W. D. Gaster, ha...

This is a story for my oc. I don't own any of the art (unless said so). I don't own "Undertale". I don't own "Glitchtale". I also don't own "Res...

Underverse self insert Includes Y/N's that might actually make sense REWRITE

Extra Scenes from "It's a Beautiful Day Outside..." If there's a particular scene you would like to see, let me know and it shall be so. The unofficial sequel

***CLOSED UNTIL FURTHER NOTICE*** Cover photo drawn by FURTINIYA27. Just like my main series of stories. Only this time, they're requested by you; the readers! :D Yes, i...

Harry Potter was master of death, he was use to ending in other universes/timelines. This time he ended up as a skeleton monster Remake of Death and wingdings om ao3 201...

A sequel to my previous story, Integritale. Please enjoy! All feedback is very welcome!

Join the crew on various adventures ranging from mundane lounging at home, unleashing the beast in Among Us, and ruining friendships in Monopoly to epic quests, journeys...

Y/N L/N, lost after the disappearance of his sister and the death of his father. This pain caused Y/N to be quite the uncaring individual... not helped by his past mista...

Gods can't die... Right? - Seeds of calamity have been sown for millennia. Although they've shown to stay dormant, eventually they will grow. As centuries pass, each and...

I died. But I soon found out that I'd been transported to a post-pacifist Undertale timeline. Now as Zen, a goat-like monster. I'll do my best to ensure this world lives...

This story features episodes of the series where some are full of humor and made for fun while the rest are deadly serious and filled with lore and is for people that ar...

(THIS IS VERY AU BASED. ASGORE / TORIEL ARE TOGETHER AND ASRIEL IS ALIVE. CW OF ABUSE / CHILD ABUSE, TRAUMA, AND DARK THEMES ARE PRESENT) It's almost been a decade since...

balls

The reader wakes up to a new life as a monster skeleton. In a new world, that's filled with monsters, humans, and magic. But instead of living their new life to the full...

Frisk was gone for two years, and two days alone was enough to drive her insane. Wondering, "where, oh where did they go?" she ached to know. But there was no...