Underswap Stories

(Surface/Multiple AUs) Red and Edge hadn't talked in years. Not since that big fight around 6 years ago. Edge now worked for the police and Red...what was Red doing? For...

He knows he'll be dooming them if he falls, but he's tired, his body is breaking apart, held together on a higher being's whim only. He wonders if there'll be another to...

(Reader x Undertale aus) Two brutal and psychopathic scientists meet on the battlefield of the human and monster war. They fight, fall in love(one of them does that is)...

A story of a young Ink discovering what it means to be a Protector of Creation, as he finds his place in the Multiverse.

After many genocides Frisk finally broke free from The Players control, she did a pacifist route and gave everyone the happy ending they all deserved even giving Chara a...

Once upon a time ago Blueberry had a husband, kids, a family. A life. Then someone took that from him, changed him, gave him a different name and purpose. But Blueberror...

(Official Rewrite of Wanderer, my Underverse Reader Insert Fic ! ! !) You were bored out of your senseless mind. You didn't know any better than to get involved in a sic...

The Star Sanses, the team three of Dream, Ink, and Swap. They worked together to defeat evil and keep the multiverse safe. There's no trouble between these three happy...

It all started with an overheard conversation, then an idea that was carried all the way to you. You had built these walls for a reason (both emotionally and physically)...

(DECIDED TO PUBLISH THIS MIDDLE SCHOOL CHAOS AHAHAHA-) Alright, so you guys know that Sky's AU got hacked, right? And then Sky was transported to Outertale and blah blah...

No Description As Of Now!

Tsunderswap Crossbones x Fem!reader (Sans x reader) [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] I which a girl falls into the underground and lives a...

Y/n is a big fan of Undertale and its AUs. One day, he found himself in a blank void with a strange girl who looked familiar. He wanted to talk with her but was instead...

A multiverse I made and the story This multiverse has humans and monsters. Some lack magic and are called Monsters and humans, some have magic and are called sorcerers...

To put it plainly: you're on the run. Unknowingly tangled in puppet strings from skeleton hands. Obsession and possession haunts you without you even being aware - only...

(There may be some Undertale or other AU shippings in this story so let me know or comment what ship you wish to be included, thx! There might also be some sensitive thi...

(ᴠᴀʀɪᴏᴜs sᴀɴs ᴀɴᴅ ᴘᴀᴘʏʀᴜs ᴀᴜs x ʀᴇᴀᴅᴇʀ) ||ᴀɴᴅ ᴛʜᴇɴ ɪ ɢᴏ ᴀɴᴅ sᴘᴏɪʟ ɪᴛ ᴀʟʟ ʙʏ sᴀʏɪɴɢ sᴏᴍᴇᴛʜɪɴɢ sᴛᴜᴘɪᴅ ʟɪᴋᴇ "ɪ ʟᴏᴠᴇ ʏᴏᴜ."|| Life was merciful enough to grace you...

Mage is a skeleton monster living in Spirit Town. A human child named Chara finds an ancient spellbook and summons him. How will Mage deal with this new environment? He'...

With rent steadily increasing, you felt like you couldn't keep up. You didn't know what to do, you couldn't ask your family for help, and you were already working two jo...

𝑬𝒓𝒓𝒐𝒓 𝒈𝒆𝒕𝒔 𝒂 𝒄𝒆𝒓𝒕𝒂𝒊𝒏 𝒋𝒐𝒃 𝒘𝒉𝒊𝒄𝒉 𝒔𝒉𝒆 𝒕𝒉𝒊𝒏𝒌𝒔 𝒊𝒔 𝒇𝒖𝒏. 𝑺𝒉𝒆 𝒅𝒐𝒆𝒔𝒏'𝒕 𝒈𝒆𝒕 𝒎𝒖𝒄𝒉 𝒂𝒄𝒕𝒊𝒐𝒏 𝒐𝒖𝒕 𝒐𝒇 𝒊𝒕 𝒃𝒆𝒄𝒂𝒖𝒔�...