Gastersans Stories

You were working with Alphys in the lab in Undertale when chaos strikes! In a freak accident, concentrated determination is mixed with an unnamed concoction and blow you...

On a dark, windy and rainy night in a bad part of Chicago, a skeleton named G, walked home from work. He doesn't normally walk home, preferring his motercycle, or even h...

Three boys, abandoned living on there owns. They must learn how much they learn that they all need eachother

'When I was 13, I killed someone. By accident of course... It was the day I found out I possessed some type of power.' You kept it to yourself for years until one...

Frisk's world has just fallen apart. She's innocent and afraid in a prison of dangerous monsters, figuratively and literally. There's something going down and Frisk isn'...

Frisk had always run into the occasional human-hating-monster, but when the attacks got more violent and consistent, she has no other choice but to seek the companionshi...

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...

He created me to become the people's art. But he has only created the perfect weapon. (Cover drawing is not mine)

It's been two years since the barrier was shattered... All was well until humanity's opinion and voices ruined it all. The war had begun. --------------- Although one gi...

NOTE: THIS STORY IS DISCONTINUED [Drawing on Cover by: SmokyJack on Deviant Art.] You clumsily bumped into someone on your way home from work, apologising as their paper...

The monsters were freed from the under ground. The humans are racist toward the monsters but the leaders of the human race have decided to restrict any human or monster...

Frisk has never spoke a word in her life, or that's what people think. The prison just passes her off as innocent and friendless. G can prove that isn't the case as he a...

(Cover Art is not mine.) You don't remember who you are, or who you used to be. You've woken up in an abandoned costume shop with amnesia, after the second human and mon...

Frisk has been on the run for quite a while now, but when she's finally caught, she meets GasterSans, a fellow inmate at the prison. He's obviously interested in her, bu...

You are brought to a strange void and you are greeted by nice people...err skeletons, But guess what? You are TINY!

The only way to the top in this world, this world born of war, born of death, the only way of ascension? ...is to become someone you don't want to be. And so I've got to...

(Completed.) Yup. Gaster Sans is now the proud father of all of the other AU Sanses (other than Echofell Gaster Sans). This is his life as a father. Also the Sanses don'...

This is not a lemon but it is funny and romantic, But mostly funny. These characters do belong to the person who created echotale, but the story is mine. It isn't follow...

There is a room no one knew about but somehow there was a reset a different one that made almost all the alternative universes in one -------------------------- Also th...

you lived in a nice white big house own your own, you liked watering plants and you liked animals too. but you were little naive sometimes Toriel visit you to have tea.