Alphys Stories

When your sibling Chara goes missing you fear the worst, but life takes a surprising turn for the better when they release the monsters trapped underground. Living this...

Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over a...

[season one] [Y/N] had always struggled to put effort into anything, despite the immense potential simmering beneath the surface. Ever since that fateful day when everyo...

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...

Yup! They're back! A thing I started back in my older account UndertaleKyannaKitty. They're your siblings now! Cute, edgy, as much angst as you want, sad-whatever! Reque...

Undertale is going to react. This will not be entirely canon and will include aspects of what I believe (backstories, ect.) I do not own the cover and I do not own any o...

Just a bunch of comics about Undertale.I do not own this comics.

You woke up on bed of golden flowers without having anything to remember. Going to an adventure where you met with many monsters to go home. Easy, right? Not really, act...

I was just a 19 year old, living my mundane life, until I died... and was REINCARNATED!? And not only that, I was reborn in the famous videogame release in 2015 Undertal...

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...

~o0o~ Book 1 of the "Better Times" trilogy ~o0o~ (Book two: "A Name to Remember") (Book three: "No One is Happy with This") There was a tim...

You climbed the famous Mt. Ebott to prove to a group of your friends that humans don't disappear when they go up the mountain. While walking around the peak, you trip ov...

y/n y/l/n is one of the people who has access to the magic in their SOUL. so she's working where everyone with magic that wants a legal job works, plus it pays real good...

"How rude, not even gonna ask for a name??" He teased. "Why are you here?" You glowered, raising the whisk. The skeleton scoffed: "Well, glad yo...

~o0o~ Book 3 of the "Better Times" trilogy ~o0o~ (Book one: "The Time Before") (Book two: "A Name to Remember") Two years after the Barrier...

This is just a collection of Undertale-themed one-shots that go along with the plot of my Sans x Reader fanfic, "When Two Souls Meet." It's a community project...

So harem book of Charas and Frisks x male reader but real description is below this. The only one of his person in all universes is part of Undertale with an OP powers b...

the player gets sucked into the game after refusing to do genocide =) _________________________ Just how far is Frisk willing to go in order to let you leave? How dire w...

For 130+ years, monsters have been extinct with the only things left behind having been their hybrid children. Over the years as the hybrids continued to reproduce and 8...