Undertale-au Stories

70 Stories

Voidheart [Female Chara x Male Reader] by Shyboxes
#1
Voidheart [Female Chara x Male Rea...by Shybo
"You shall seal the blinding light light that plagues Human and Monster dreams You are the vessel You are the Hollow Knight" •Somewhat of a reboot of Someth...
ShiftFell-Gold Chara X MaleReader [Completed] by Possibly-a-Unique_Na
#2
ShiftFell-Gold Chara X MaleReader...by ʕ•̫͡•ʕ•̫͡•ʔ•̫͡•ʔ•̫͡•
Chara(Cocoa) x MaleReader Any art here ain't mine.Credits goes to the artists *ShiftFellGold Chara(Cocoa) By CutieGrumpyCerym -Tumblr -DeviantArt Creator of ShiftFell-G...
Even Those of Cruelty turn Kind by adamabyss12
#3
Even Those of Cruelty turn Kindby adamabyss12
(Alphatale and Ten no Kami belongs to Shadikal15) Once of the TransVoid, an entity named Ten no Kami, is the spawn of a Being, who is named MalesGrow, resembling a black...
Completed
undertaker empty by bloodbumble
#4
undertaker emptyby bloodbumble
an Undertale au that I made because I was bored at school :P this is also on tumblr but the posts are have a word limit and make me post 16 different things to tell the...
Book of Undertale Aus/Ship Children [2024!!] by RoseMason7
#5
Book of Undertale Aus/Ship Childre...by Whatsit Time Champ
this is the 2024 remake of my past two undertale au showcases. a lot of aus i no longer have, others have more information, completely reworked or have new designs! i fi...
Waking Up In The Pj's Daycare Multiverse As My OC But Something Is Wrong by Originalsparkstar
#6
Waking Up In The Pj's Daycare Mult...by Originalsparkstar
Waking up in another world is frightening, but waking up as a Toddler version of My OC? The multiverse must hate me or something!
Undertale: World of Monsters by Darkaris13
#7
Undertale: World of Monstersby Darkaris13
Long ago, two races ruled over Earth: HUMANS and MONSTERS. One day, war broke out between the two races. But... the humans were betrayed by one of their own. The traitor...
(Reborn) Everything Sans X Union Academy  by fanson34
#8
(Reborn) Everything Sans X Union A...by TonDron
when stores are made with reborn, there are manly 2 ways it goes 1. it's silly goofy and unrealistic 2. it is really realistic and had a lot dark thems aling with people...
Team Hope and Void | Preboot by LaggyPapyrus
#9
Team Hope and Void | Prebootby LaggyPapyrus
The story follows Team Hope and Team Void. Two multiversal and dimensional organizations, one good and one villainous, and both rapidly expanding. It follows the story o...
Well That Was Unexpected... by Yuseabell
#10
Well That Was Unexpected...by Yuseabell Nightingale
The Castle that laid home to Nightmare and his Gang has always been a mystery in itself, many assume that the Castle came into Nightmares possession after killing off th...
The Legend of Team Void & Hope by LaggyPapyrus
#11
The Legend of Team Void & Hopeby LaggyPapyrus
This is the reboot of the infamous Team Hope and Void, starting over with new origins, and fewer characters sadly. The story will follow Shattered Dream and their siblin...
sans au seven minutes in heaven by underpup5607
#12
sans au seven minutes in heavenby aha you mad
I'm gonna regret this... disclaimer: this is fluff, lemons, and small smut. dont like then I would advise you not to read.
The tale of Team Void & Hope by LaggyPapyrus
#13
The tale of Team Void & Hopeby LaggyPapyrus
Welcome to this progressive reboot, almost 2 years later, in which I rewrite my old story of Team Hope & Void. The story follows the concept of Shattered Dream in the Un...
"Why Should I Let You In Again..?" A Underswap Pap x Napstabot/Napstaton Fanfic by Cr3at0rofW3ird
#14
"Why Should I Let You In Again..?"...by Cr3atorofW3ird
Honey (US!Papyrus) used to date someone big, but all went wrong three years ago..that one year changed his ways for years, not letting anyone into his soul again..but ma...
EXECUTALE STORY (work in progress...) by PapyrusEsqueletony
#15
EXECUTALE STORY (work in progress...by Papyrus Esqueletony
A ALTERNATE UNDERTALE UNIVERSE I RECENTLY CREATED ON MY FACEBOOK YOU CAN SEE ALL THE SPRITES AND OTHER THINGS I DID TO IT!
ReTale [A Undertale AU] by NeoCrozzX
#16
ReTale [A Undertale AU]by NeoKrozz
The event of the story happen in the Post Genocide ending, Frisk is 10 when (He/She) was in the underground. After the main event, (He/She) has bring Flowey from the und...
The Butterfly Effect by SwordLover87Alt
#17
The Butterfly Effectby SwordLover87Alt
A single incident can destabilize an entire timeline of connected events. Like the ripples that spread when you drop a stone into a pond. (This is an Undertale AU.)
The Scavenger (An Undertale Au Story) by Justfuxkoff6
#18
The Scavenger (An Undertale Au Sto...by File 1 load
A recollection of what led frisk to the person she is nowadays
Othertale by cosmo842
#19
Othertaleby Lemonade is best
There are many different universes in undertale but met overtake which many things are still unknown
reborn in alphatale  by fanson34
#20
reborn in alphatale by TonDron
in the end you made your choice -Eve when someone wakes up to something that they thought wasn't even possible, it probably would cause them to panic or freak the fuck...