In a reality where existence is a jigsaw puzzle of shattered worlds, a certain doctor has survived the collapse of his own universe and now embarks on a mission to build something new. Join one W.D Gaster utilizing the Observer, a creation of his own design, and navigate a realm where perfection is a mirage and every piece of a broken world holds the key to a bold new beginning.

After Frisk's father died when she was eleven and her mother became heartbroken Frisk swore she would never fall in love... until she meets a very punny skeleton named Sans.

After leaving the Underground, Frisk and the monsters begin their journey down Mt. Ebbot to face the surface world. As they navigate their new environment, tensions arise between the monsters and curious but cautious humans. Frisk is reunited with familiar faces from their past, including an old caretaker, Lena, and some friends from the orphanage.

"El jugador" ha muerto... Y ahora todos quieren JUGAR. En la peligrosa Ebott City, radica una constante inconformidad por habitar monstruos y humanos en un mismo lugar., desatándose conflictos delictivos que atentan con la vida de los habitantes. Sin importarle las advertencias de su madre, Frisk decide ir a la ciudad y tener su florería junto con su compañero y mejor amigo Flowey

A household full of skeletons are competing over the attentions of one love. This isnt that house though. Unknown to the group secretively wrestling with their unpredictable love lives and universe-meddling machine, another house a few doors down has been gifted with its own skeleton posse clamoring for the attentions of their own little lady. A little old lady by the name of Mabel

The Underground is divided. Evil lurks in the darkness as hope slowly fades away. Only a human, a monster, and a dead prince can restore this corrupt kingdom, but not if it corrupts them first.

The butterfly effect is known as "a property of chaotic systems by which small changes in initial conditions can lead to large-scale and unpredictable variation in the future state of the system." The smallest of changes make the largest of impacts. So… What if when Angel and Frisk fell… they fell into different locations? Squeal "One World, Two Souls", and "One World, Many Souls".

Tired, overworked, a alone in a new city Y/N is living on muscle memory and cup ramen. How will she cope when four trouble making bitties make their way into her life? They've been through hell and back, left with no hope of a home what will happen when they meet a reckless human with more determination than could ever be safe?

You are dropped into the underground world, home to many monsters when a very voluptuous goat mom approaches you and takes you in. There are many mysteries centered around you. It is up to you if you wish to uncover them. This thicc monster lady would like to help, but she wants quite a bit from you. Will you be able to satisfy her overwhelming needs like her husband? Could what yo

Во время битвы между Фриск и Омега Флауи происходит некая странная ошибка, в итоге которой... Фриск и Флауи вынуждены не просто объединится, а научится действовать синхронно и слажено, без ссор и ругани, если они хотят выпутаться из их ситуации...

After doing everything the right way in the first timeline, Frisk was compelled to do the genocide route for what they felt were "good" reasons. In doing so, they have broken utterly and become something new. Something absolutely devoted to Sans, and not remotely sane. Now they are striving to fix everything and find their path forward. What the hell is Sans supposed to do now?

It's only thanks to you that I could change from a sadistic ogre to what I am now. I feel alive for the first time. I can't thank you enough, but I can write down my story.

Humans and monsters a slowly leaning to live in harmony again. However, many humans harbor a myriad of reasons to distrust monsterkind. As if being the ambassador to humanity wasn't hard enough, an extraterrestrial threat looms on the horizon. With the help of a being known as Dragon Lord Tao, Frisk and her new family must face new foes far more malevolent than any monster.

Littleverse: a multiverse in which most, if not all, of the main characters are children. Small children. Some of which have never had parents to guide them. FMD Ink: a psychopath. What will happen when these two forces meet? Well..a lot of adoption, fluff, and angst, apparently. We do not know how this happened. Go check out Clichély on AO3 and Wattpad!

"You know, normally, I like to resolve things peacefully. Yet, I got a hunch that ain't gonna work for ya. So, prepare for some supreme justice." Frisk finishes their genocide. Sans, Asgore, Flowey, all of them are killed. However, there's one more opponent Frisk failed to anticipate. A foe even tougher than a true heroin or a comedian. Across from Frisk stands... Clover. (UTY Fic)

Frisk. In one universe, they are a child of the surface, falling to the Underground, to save or to kill. But here, a choice made before they are even born ends with them being a child of the Underground. Follow them through their life as they grow and learn, raised by Monsters and become the shining light in a dark world.

A kid falls down a vast chasm into the deep, and is set upon by countless monsters eager to murder whoever falls down and claim their souls. Somehow, this child is the villain in your story.

Undertale, but something's not right. (Fan-made reimagining of HELP Tale, made mostly out of spite due to its abandonment. Cover art was made by me)

El primero en caer fue Determinación, huyendo de los humanos. Paciencia buscaba una salida. Valentía salvó a alguien. Perseverancia buscaba a alguien. Amabilidad fue engañado. Integridad se perdió. Justicia pagaba los errores de otro. Luego, llegó el octavo niño, la octava alma, el regreso de Determinación y la más poderosa de los siete. Esa es Frisk. (Quinto arco: Alyssum).

(Add Later)

A reset gone awry, most of the monsters find themselves shunted back underground. But above all, Asriel is alive. With newfound determination, he travels through the underground to reach the surface once again. But with spirits haunting the Underground and Chara returning to finish what they started, Asriel will have to learn to stand on his own if he is to see his parents again.

The Laboratory Complex of Dr. W.D. Gaster, which exists outside of time and space, is gathering a new group of human test subjects for a large-scale experiment. Who is destined to become something more than just "human"? And what price will have to be paid for it?

For hundreds of runs, Frisk has tried to find a way to save Asriel. After so many failures, she finds hope in the notes of one W.D. Gaster. In order to get what she wants, she must venture to the Void to alter the code of the world. But when she comes back, she will not be the same.

December 25, 2015 Mysterious black briars destroyed the whole of Ebott. Every inhabitant was lost except for a pair of brothers. Not long after, a tragedy claimed the younger one. Since then, the sole survivor did everything he could to prevent the calamity from spreading further.

Frisk comes across a slave owner beating up a skeleton monster with a gold tooth. (Based on the premise of "Slavetale" by V mum) (cover art by Pandanii)