Gaster Stories

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!

Sans has gotten sick, OH NO! So what happens when our funny pun loving skeleton gets sick? Hurt/comfort, Fluff, and lots of overprotective family moments with a side of...

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...

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

The young skelebros escape from the core and head to Snowdin. Grillby finds them decides to take them in but finds out it may be much more difficult than he thought. Pap...

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...

(Reader x Undertale aus) Two brutal and psychopathic scientists meet on the battlefield of the human and monster war. They fight, fall in love(one of them does that is)...

balls

It is what it says on the tin. So, have those questions-a-ready! 'Cause it's about to get fun!

Join our journey as we explore the history of the Monsters, from wandering tribes daringly crossing to the unknown to a great civilization destroyed, finding themselves...

What if our favorite knuklehead ninja goes to Undertale multiverse, become a monster, and has gamer system? This is my first story.

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...

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...

***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...

The one that made it the furthest in the underground, perseverance. Perseverance had beaten almost all of the monsters in the underground from papyrus to sans and undyne...

It all started with an overheard conversation, then an idea that was carried all the way to you. You had built these walls for a reason (both emotionally and physically)...

After Chara is freed from the Void, reunited with her friend, Gaster, and gone through a Reset of time, she must now help guide young Frisk through the Underground, sho...

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...

[[A/N]] THE PROLOGUE WAS ORIGINALLY AN ENGLISH ASSIGNMENT. EXPECT LOW ASS UPDATES 😭 | | | 🌟⭐️✨️ | 🌙🌕 | GenderDream... The DreamTale of GenderVerse. Heart o...