Error404 Stories

An Undertale fan gets reincarnated into the Alphatale Multiverse. Will they use the knowledge gathered from their first life to their advantage? Or will they perish, fig...

A girl named (Y/N) was walking back from her job when someone in a black hoodie shot her and stole her purse. While she was on the ground bleeding out she asked, if she...

A girl that died, got reborn as one of the strongest entities in the eden orb. And it seems it's the Undertale multiverse that she is reborn into. With knowing how every...

I found the real story about Alpha tale on a fandom and I wanted to put it in here so I can re read it over and over and over without searching for the page. creds go...

What if Error sans trys to quit his job? Find out... WARNING CONTAINS: unhealthy Obsession (Not a ship) Blood

So sorry for the cover! Check Author's note to see what it's supposed to look like! Half credit goes to Sophia (A.K.A. My best friend) For most (possibly all) the art in...

Hey guys, Please I'm one of this ship fan and I hope you guys are too! And guys this book is only for 18+ and please parents... WARN YOUR CHILDREN.. And please help me m...

You reborn as a sans I created, when You died in a accident, You reborn into a new world where you have to fight to survive. Will You bring peace or destruction? Ship...

Nothin here

This is like an Error Harem, originally got the idea from the Error!sans oneshot book im writing! Hope you guys enjoy! NONE OF THE ARTWORK IS MINE (unless said so) <...

Witness the life of Error404 with Core Frisk and their friends as they go on a lifelong adventure to a happy life.

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...

The title says it all. If you don't like vore, leave or your gonna have a firey time. Those who love vore... I hope you enjoy. I also take request. Some of the parts in...

------------------------------------- " Y-your so s-strong." The skeleton with butterfly wings stared emotionlessly at the threat to the multiverse. "Y-yo...

Official remake of Ulty: Creation of a monster A story that starts from Dusttale and goes around the AUs, completely transforming our protagonist English is not my nativ...

¿An Error in Izuku's story? In a world full supernatural abilities where 80% of humanity has those powers called quirks, Izuku Midoriya doesn't have one....or does he? W...

As DustDust successfully makes the human give up at the cost of his friends and family lives, he chooses to slack and sleep, as he doesn't have anything more to do. He t...

Angst story 🙃 nightmare has issues. . . nightmare was never the type open up to other even knowing them for years... he doesn't remember what he used to look and hate...

Bill is a giddy, excitable skeleton on the outside. But, behind that façade is a normal skeleton that has too much to hide. When Nightmare calls for a gang reunion, Bill...

Long ago, when the elder gods remained. There was constant battle, involving the God of Omnipotence, God of Destiny, God of Destruction, The King of Gods, and last but n...