Lord Chara, known for his dislike of humans, and Prince Asriel, a spoiled brat of epic proportions, have run a decade long scheme to hide humans tossed into the Ebbot Prison from the soul harvesting designs of Asgore and Toriel. Unable to transport the latest of the fallen to the safe house, the brothers are forced into a far more dangerous game of deception.

Cross and Shooting Star are plagued with nightmares of other Frisks in serious danger while Dragoon Sans attempts to rebuild his timeline by stealing people and things that rightly belong to others.

A Steampunk UnderSwap style tale of intrigue and adventure in the hollow earth realm of Agartha with a little Charisk! Charlotte 'Chara' Featherstone has created a technological marvel: an engine capable of holding aloft Dr. Undyne's insanely designed airship! Now Chara is wanted by the mysterious Madam Glass. Can Papyrus and Frisk protect her from this most unusual villain?

Frisk Evernight accepts a most dangerous job: to release the curse on Mt. Ebott and return the body of the murdered Chara Dreemurr to her adoptive family.

Frisk Emily Church, honorably discharged after a military service she'd rather forget, is hired to investigate a set of disappearances on Mt. Ebott. While examining a cave entrance, the rocks at the edge of a long shaft give way under her feet...

In a world of sword and sorcery, a mysterious set of murders lead our heroes to seek the advice of a terrifying enemy. Can Chara and his friends stop the murderer before another victim loses their life? [One Shot with some heavy Charisk!]

People all over the multiverse are walking through doors in one timeline and ending up in another. Can Gaster!Sans and Army!Frisk figure out what's going on before whatever is causing the anomalies reaches its endgame?

From sordid mysteries to thrilling adventures, saving the Empire is all in a day's work for Frisk and Chara Dreemurr.

Born in ancient Greece, Perseus loses his mother at a young age to Zeus' rivalry with Poseidon. Rescued and raised by an unexpected goddess, Perseus is raised to be a warrior like only one other, his brother. On long term hiatus.

A season of unconnected one shots related to the Core Issues series.

Two thousand years into a journey across the cosmos, the colony ship Delta has discovered a lone cryo-stasis pod containing the most mythical of beings: a human.

Everything is back to normal. Or so Gaster!Sans and Army!Frisk think.

Frisk has finally achieved the Perfect True Pacifist Ending and saved Asriel - but she soon discovers that growing up on the Surface with Az as her step-brother holds even more challenges and dangers than the Underground ever did.

A mysterious group is destroying alternate timelines. Can Gaster!Sans and Army!Frisk stop the anomalies in time?

Robin, leader of the Teen Titans, wakes up in a world not unlike his own, Earth-16. Isolated and stranded, he decides to take up an old alias and joins a new team of young heroes. As Red X he builds a new reputation and battles against enemies both new and familiar. Ch17: Red X fights against Klarion and is placed under a spell, making his worst nightmare a reality.