Amalgamate Stories

36 Stories

Real pacifist (undertale reader insert) by Undynlicia
Real pacifist (undertale reader Undynlicia
Undergoing heavy editing for grammar and fluidity, since writers' block is halting me from continuing. THIS IS AN AU. You and Frisk fall into the underground after playi...
Love Can Heal (Continuation Of Not A Test Subject Science Sans X Reader) by AuthorBlitz-Chan
Love Can Heal (Continuation Of Yandere-Neko_Blueberry
:3 Here's the continuation book! ^-^
The truth by gerfop2
The truthby therealCactusmanman
In an alternative timeline 9 months before the human falls, there are monsters that still wonder what happened to the monsters that helped Alphys. Most let the mystery g...
Project Determination by Arthrux
Project Determinationby Arthur Jakubiec
Music at the top of the text is recommended for a better reading experience My interpretation and take on what Happend in the horrible missfortune in Alphys' lab in the...
Determination by KristheKrispyBerry
Determinationby t0ad st00l
very short im sorry T-T (undertale fanfic kind of idk) a little dose of angst
Experimentation With Determination (Oneshot) by AskError
Experimentation With Max Lucas
A oneshot about Gaster, Sans, and Alphys' work in the True Lab. ... .. . ✋︎ 👍︎✌︎☠︎ 💧︎☜︎☜︎ ✡︎⚐︎🕆︎ ☜︎✞︎☜︎☠︎ ✋︎☞︎ ✋︎ ✌︎💣︎ 💧︎❄︎✋︎☹︎☹︎ ☹︎⚐︎💧︎❄︎ ... ✋︎☠︎❄︎☜︎☼︎☜︎💧︎❄︎✋︎...
One Last Experiment by SeraNewAccount
One Last Experimentby Sera's New Account
Good, bad, what did it matter? Frisk knew from the start that she was a demon in progress. She was lucky that her mom even bothered to keep her around. But a surreal nig...
Determination (discontinued) by SnazzyGerudoDairy
Determination (discontinued)by ItsDeadInside
(Cover is not mine, it is simply a filler until I finish the real cover) When Alphys became the royal scientist, she was given the task of bringing fallen monsters back...
Amalgamate And Me by gen3king
Amalgamate And Meby gen3king
The dog amalgamation was always playful, but most were afraid of it. During the day, it stays with Frisk, almost like a pet. One day though, after school...
Sticky Bones ( A Sixbones Story ) by ThornimationsAJ
Sticky Bones ( A Sixbones Story )by ThornimationsAJ
[ Takes Place After The Sixbones Backstory Made By Zarla On Deviantart ] The Next Night They Had To Stay In The Lab ... Along With Every Other Day And Night . Lol I'm To...
Backstories: Undertale & Deltarune by Alli_Zombie
Backstories: Undertale & Deltaruneby Salanghae
(I guess these are like Oneshots?) ~~~~~~~~~~ ❤️Characters❤️ Napstablook, Mettaton [EX] Sans, Papyrus, Gaster Undyne, Alphys Toriel, Asgore, Asriel Frisk, Chara, Red ~~~...
Everything Gone Horribly Right (Undertale fanfic) by Shadow_The_Puppet
Everything Gone Horribly Right ( ...
After a human comes looking for the king and queen of the Underground, a few hours later, Asriel finds his parents dead, and has to take it upon himself to rule... but h...
the Beast of Adventure Park by apricotcrayon
the Beast of Adventure Parkby
thank you to Yaz for helping me post this story. after a long day of playing Manhunt With Friends in the ruins of Adventure Park. Milo investigates strange gurgling soun...
The Wall by MasterKnight2142
The Wallby MasterKnight2142
From the moment we are born, the world is out to get us. It gets worse as we get older, but we learn to deal with it. Yet when an outbreak of giant, hybrid animals and m...
Amissa Memoriae by TrashboxCorgi
Amissa Memoriaeby am but a creeture
??? doesn't remember anything about himself. He doesn't know why he's kept down in the lizard's abandoned laboratory with the black and white abominations, or how he kno...
Snow by TurtleFox
Snowby TurtleFox
I really don't have much of an idea for a story . WARNING this might be sad story and could trigger people. this will also have some undertale references and mechanics (...
A Box of Love Letters by ManiEarth
A Box of Love Lettersby Imani
A Box of Love letters, open up 💌💗