Mettatonneo Stories

You've been doing the same True Pacifist / Pacifist Run over and over in a place called the "Underground". Though you like the Underground, you can't help but...

Cover photo drawn by SodiePawp. Hello there! This is nman1983 and I am a male in his 30s that writes Undertale tickle stories, something of which I have been doing since...

***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...

I don't see enough of these..so I desided to write my own! I'm not the best but bear with me, I'll probably make this an actual story instead of a one-shot..maybe..

A Sequel to my previous book, Mettaton x Reader. I hope you enjoy this second round of stories.

Well. The title say it all. I will be taking requests!

Sans the skeleton is a resident of Snowdin in the Underground, and life as he knows is mostly alright. He had his optimistic, egotistical brother, Papyrus, his mysteriou...

title says it all

Ask anyone you want! Mettaton, Alphys, Toriel, Sans, Burgerpants, Bratty, Catty, Onionsan, or even a Froggit! Ask ANYONE in Undertale! ♡

Hey There! This is my book of UnderTale Oneshots! I hope you all enjoy!

After Chara kills Frisk at the end of a Genocide run, Frisk escapes death by manipulating the FUN value within their SAVE file. What will this homicidal child of determi...

I have taken the liberty of writing the entire script of UNDERTALE. Written in British English. I have looked around and I can only find certain sections but I am writi...

Marx and Jevil tick off Dimentio and find themselves ducking for cover in the Hotland Laboratory. Mistakes were made and Dimentio has fused with Mettaton becoming Dimett...

Chara began to speak for the fifth time. However, this time her dialogue was different. She slowly started off with the original words. "Greetings, I am Chara."...

Holas. Hare un Rol play sobre UnderTale

Monsters are on the surface. After you save Mettaton he desides to adopt you and your friend (f/n). you were abused in the past and unsure if you can trust the robot. Yo...

During one Genocide Route, Chara stops into the hall ready to have a bad time, only to meet... nothing? A fic in which curiosity kills the cat, and satisfaction brings F...