Undertale Stories

Matt was a regular person who was a big fan of Undertale and its fangames. One day, he dies because of a person accidently knocking him off a mountain while he was hikin...

You didn't have a bucket list or anything, but you wished you could've at least read a few more fanfics or done literally anything fun before dying. Oh well, at least yo...

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...

#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...

What if someone became papyrus from underswap? What if they gave their brother more freedom? What if they were the one that error kidnapped instead of sans? (Things wil...

Somehow...I've become a sans...and not just any sans.. I'm classic!? What the flip is going on!? Wait why are different sans and papyrus's showing up at my home? I didn'...

[Cover belongs to me] Error is the (forced) god of destruction, Ink is the god of creation. Both are needed to keep the balance, but while one is loved the other is hate...

Cover image made by me. Someone meets their end too soon and meets someone who gives them another chance to live a more fulfilling life. One that they would enjoy despit...

What if there was a multiverse where Error and Ink were friends? What if the voices were the creators? What if they went to the Fgod multiverse because the voices were b...

What Would You Do If A Certain Skeleton Was In Love With You. Who Would It Be? Would He Be Cinnamon roll likeBlueberry? Or A Sinnamon Roll Like Raspberry?

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 th...

Yeah sorry gained an idea on if someone became swap Gaster Also they may be apathetic or just confused on their feelings and MAYBE Autistic, I may be a bit wrong on ap...

(As far as I know, no one has made a story about naturetale like this so..and the only reason why I writing one like this is because of fatal error part 5? Or part 4, go...

[I have decided to do what I always wanted 😄😄]:some people put warnings for these so.....CHILD ABUSE IS DISCUSSED You were, thought to be mute and was horribly abused...

Taking a journey through the Underground seems fun to experience and to Fight or Act through. But is it really fun when you're just an infant? Will you ever make it back...

Fresh is Admin of the Multiverse!? This can't end well ... or can it? This is an alternate universe - er, multiverse - where Fresh is responsible for the monitoring and...

Once a man died miserably and then he got a chance to live and got a system like other fiction novels, but what happened... He became a cute girl!? And again he had to m...

I was reborn as sans from my own made up au. How did that happen? I have no idea. Luckily I was still a kid so I didn't have to act like how I made sans to act like but...

nightmare and his gangs sadly die but nightmare was telport to another aus called Naj but pregnant with the gang. we're talking about giving birth to horror, dust, kill...

Bitty! US pap x reader x Bitty! US sans Our two little bitties have been through a lot, so what happens when they meet a human that's hurting just as much as they are...