Nightmaregang Stories

#1 of 61.7k tagged with Undertale 12/06/24 After drowning as a human, Ashe reawakens as a DustTale variant of Sans. With his ghost Papy helping keep him from falling int...

An undertale fanfiction that has been stuck in my head. Started telling to a friend and they want to use my characters in their story so now I need to put this into writ...

They died. They had died alone, scared, cold.... only to reborn in a new life, as royalty of all things! Things were confusing, and scary, and maybe she should probably...

Cherry, an unusual swap-sans type, draws the attention of Dream and Nightmare when he is left the only survivor in his underground. With his Papy's gaster blasters follo...

[HK/Undertale Crossover] For ages, the Void godness has to sit and see how her multiverse was fill and filled by AUs of her Universe, Undertale, she hated them at first...

(Obsessed)Nightmare Sans x Blind Reader Trigger Warning! Abuse! For Mature Audiences ~~~ Y/n has known nothing but darkness her entire life. Blinded by the cruelty of h...

Harbinger, a Reaper-variant from a war torn fgod mutliverse, tries to finally find peace after being thrown into a new multiverse where the higher entities do not exist.

After being trapped in a research facility for their entire life, babybones Cookie finally finds themself in the ocean, free to explore the place that should always have...

Nightmare. King of Negativity. Leader of the Nightmare Gang. He has a lot of scary titles, but he had to start somewhere, didn't he? Horror. Cannibal. Idiot with half a...

#3 out of 8k stories tagged as Ink (>.<) Omen was created as the Guardian of Hope and, indirectly, healing. If anybody can help the balancers of this multiverse, i...

Someone dies and is Reborn as Sans. Not just any normal Sans like they assume as first, but a HORROR Sans. As if dealing with Gaster when they were young wasn't enough...

So guys you Maybe expect here a Descripion but here will be non becous im really bad at something like that, but i can say thats not a FGOD story! i do like thos but the...

After dying, someone is reincarnated as a Shadow Papyri and settles into a routine. However, that routine seems to be continuously disturbed and constantly needs to be a...

a story about a multiverse chaos happening around the whole multiverse , and this is the story that what happen in the outertale . it gonna have multiverse characters li...

She had died laughing. Her parents had killed her siblings. She had let it happen. Despite promising to protect them, she let them die. Maybe that's why she ended up reb...

(This is a re-work of my old fanfic, and the original idea of this is M1lun4 while the Fgod is from Harrish6 the cover of the book was made by me, please do not steal it...

Every single Sans in the Undertale AUs know about Dream and Nightmare, after all, they used to be the protectors of the Tree of Feeling. If it weren't for them, then no...

'Dream' just wanted to be a good brother. Instead, he is thrown far across the omniverse with no home to return to. Wait... who was his brother again? Is he even alive...

Chaotic babybones Tiny is searching for his twin brother, who he's pretty sure was also thrown somewhere out into the omniverse. He's not going to let anything get in hi...

An ordinary child woke up in an unfamiliar place from an unfamiliar voice that told her about some creators. "Why me??!" (English is not my native language and...