Xtale x male reader (Reboot)

the third child that was given to XGaster.

A New Timeline - Underverse Reader Insert(In Progress)

what happens if you were there instead of sans in 0.0 ? what would have happened if cross took a human soul instead? would it change the entire timeline of underverse or just... leave it as it is? would you die in a try to stop the x event, or ,will you fail? ...and most of all.. who are you? ------------------------ ...

Becoming dream from dreamtale

What if someone from our world became dream on the first day they were made and were determined to not lose their brother to corruption like the original dream did in the story/game/movie? Even if they had to hurt the villagers to keep them away from nightmare they will. They will also protect nightmare, their brother...

Copycat - Xtale x Monster male reader

Y/n l/n, a monster that can copy the ability of any magic used nearby, is great friends with the one who freed him and all of his relatives from the underground. shenanigans insue

Becoming ink sans from undertale multiverse!?

What if someone from our world died knowing a lot from the undertale and their multiverse/underverse? What if that person also knew about the balance and didn't creat too many aus? Also they dont like creating sad au's like flowerfell or places they end up like dusttale or Horrortale. Yes they did make au's and may ha...

SANS Au Oneshots •||M & GN Reader||•

Sans au's and all the characters of undertale don't belong to me, all credits go to the og's.

The Multiverses Soul (Sans Au x Goddess Reader).

(So you know how we got Glitchtale, UnderVerse and The Villian Sans Squad right?. Well what if I were to tell you guys that the three seperate series were the three horsemen of the undertale Fandom. That means if there were three then there's a forth horsemen, working behind the scenes that had started eons ago. Well...

Living with bittys

what would you do if all of a sudden some small skeletons appeared out of nowhere one night and we're so small and helpless you couldn't say no to. So your living with small skeletons for the popular games/fandoms of undertale! you would do anything to keep them safe and out of harm, and they would do the same for you!

You and Your Bitty Pals

It has been 10 years since the monster broke free from the barrier, and since then monsters and humans live together in peace. But for some reason, monsters have somehow got a mini version of themselves, no one knows how or why it just happened. And for some reason, the skeleton bittys are popular because of their man...