1 - 20 of 1,654 Bookmarked Items in Alternate Universe - Horrortale (Undertale)
Navigation
List of Bookmarks
-
Tags
Summary
You fixed it! You finally fixed that stupid machine!
You and your boys could finally escape this cannibalistic hellhole!
...What do you mean this isn't our universe? There are alternate versions of your boys?!
If they're going to try and send you back to that place, then you'll have to come up with a plan.
And being the size of a Bitty wasn't going to stop you.
Series
- Part 1 of The Horror Bitty Series
-
Bookmark Notes:
10
-
Bookmark Notes:
Latest Chapter: 10
-
Bookmark Tags:
-
Tags
Summary
Monsters came out of the mountain last year. An unknown number societies filled with creatures small enough to be held with one or two hands. Without their Core, their Souls need to gain ‘magic’ from Human Souls caring for them. So of course, shops popped up all over the place advertising different ‘varieties’ of ‘Bitties’ for Humans to ‘adopt’.
I’ve seen plenty of these poor little creatures up close and I’m telling you, these are tiny people who deserve more than pet status. Not to mention the fighting rings. There’s intelligence in their eyes that I don’t even see in half the Human people I encounter. Not that I’m particularly interested in encountering people. My street cat Emily and I prefer staying at home, making just enough money off of my video game streaming to stay afloat.
Emily is an odd cat. She came into my life freshly pregnant and demanding to be my cat. Her cool as fuck skeletal pattern gave me the idea to keep my identity online a secret by slapping on skeletal face paint. The viewers love it.
Sadly, Emily gave birth just a few nights ago, to a litter of stillborns. She’s been beyond miserable. She goes out every night now, I’m really worried about her.
-
Bookmark Collections:
-
Bookmark Notes:
11.13.2.26 ( piątek 13💙]
-
-
Tags
Summary
You were never anything special.. Well you could create perplexing and staggering worlds in your head, writing them onto paper and taking the breath away from those who may read your work. You always went to tell tales to kids at the libraries you occasionally volunteer to read at or entertain the elderly at nursing homes by sharing your adventurous worlds with them. Your.. friend.. Payton offered to let you stay with her and her.. friends? boyfriends? while in college when you were looking for a place to live.. She said you could if you paid a small amount of rent and made her a character in your oncoming book.. (you're just gonna kill her off in chapter 10 or something) And that's how you ended up staying with a bitch and a couple of monster skeletons who were head over heels for her but assholes to you.
SLOWLY REWRITING CHAPTERS - CHAPTER(S) REWRITTEN SO FAR: 1
this book is inspired by the book The Understudy by Fizzleup .. but like nothing like it.. it just made me wanna write
- Language:
- English
- Words:
- 10,381
- Chapters:
- 10/?
- Comments:
- 284
- Kudos:
- 1,594
- Bookmarks:
- 341
- Hits:
- 41,951
-
Bookmark Collections:
-
Bookmark Notes:
Está história é muito boa recomendo. Capítulo 10 Nota. (^∇^)(~▽~＠)♪♪♪
-
Bookmark Notes:
chap 5
-
Tags
Summary
Doomsday prep has always been necessary in my opinion. If not for your time, then for another's time. So I got married young, to a much older, much richer man, waited a few years for him to die (cancer, so sad), and collected that money like candy at a parade. Then I picked out a nice place for a bunker, and had that thing built in another few years. When Monsters busted out of the mountain nearby, turning some Humans into Monsters, I was only slightly surprised the government's decision was to fucking nuke them all. Now I'm closing the door, and I see people in the distance waving their arms, yelling. I should just close the door, I don't know them, but I don't think it's fair to leave them out to die.
Author's notes, kinda:
Gonna be just Horror, Fell, and Fell/Swap variants.
Characters like Sans, Toriel, Asgore, Frisk, and others are really only mentioned, except Horror Sans.
Papyrus variants are more like different people in this, than variants of the same person.
Also, I don't really like Swapfell Pap (Purple) so sorry, but he might only be there for drama, not for a relationship -
Tags
Summary
You were a normal human. You went to college, you had a life, friends, family, etc. Apparently, the void didn’t care much for happy endings, and you find yourself strapped to a table in an underground lab.
It’s fine, you have plot armor.
———————————
Or, you get sucked into the void and your soul is placed in the body of eight-year-old Sans.
Arc 1: Heritage (1-7)
Arc 2: Hell (8-10)
Arc 3: Home (11-45)
Arc 4: Heart (46-59)
Arc 5: Hostage (60-76)
Arc 6: Home [Reprise] (77-90)Series
- Part 1 of How To Be A Human Being
- Part 1 of Hounds Of Love
- Part 1 of I/Me/Myself
- Language:
- English
- Words:
- 244,498
- Chapters:
- 79/90
- Collections:
- 6
- Comments:
- 2,195
- Kudos:
- 1,746
- Bookmarks:
- 348
- Hits:
- 60,681
-
Bookmark Notes:
Later
-
Tags
Summary
Go on vacation, they said!
You need to relax a bit more in a nice place, they have said so politely!
Visit an exotic place, they said!
Nothing can go wrong in a ship, they said totally convinced!
You need to meet someone nice and start a relationship, they said worriedly!
And you have listened to them over and over again… Why did you listen to them?
WHY?
Someone, any kind of deity… could somebody tell you just WHY is this happening to you?Why are you lost in what seems like an island lost from the hand of man in the middle of nowhere with weird creatures that seems like monsters that are trying to court you in the most ridiculous ways possible… and why must all of them be fucking skeletons!!!
And why, oh god WHY do you think they’re HOT beauties out of nowhere?
Are you really that lonely or is this island somehow messing up with your mind?-
Bookmark Notes:
Ch9
-
-
Tags
Summary
After the barrier had been broken, it released a powerful magical wave that subconsciously triggered a hidden component in some of the mage’s bloodlines. Supposedly all the extra magic needed to go somewhere and had thus chosen to go back to where it was originally drawn from, meaning a lot of people were finding out who was involved in the monster vs human war.
And that’s where Crumble’s memories ended.
or
Another human turned Skeleton Story where our protagonist must survive the horrors of friendly smiles and goodwilled monsters, but first she must survive the very cell that they've contained her in.
Series
- Part 1 of Crumble and her Crumbling Life
- Language:
- English
- Words:
- 67,394
- Chapters:
- 30/30
- Comments:
- 165
- Kudos:
- 492
- Bookmarks:
- 118
- Hits:
- 12,418
-
Tags
Summary
You're an engineer who works for Ebott's best research facility in one of the labs; your lifelong dream after finding a journal on Mount Ebott when you were a kid. When you aren't in the lab being smart, you're gathering materials at the abandoned doll factory for the machine you're trying to build.
But one night, you meet a skeleton at the factory. Naturally, you lie about why you're there and say you're there to hunt ghosts. You befriend him and try to find a way to gather the materials while keeping up with that lie. But those lies catch up to you when you start to meet all the other skeletons.
Edit: As of Chapter 29, all chapters have been edited and fixed slightly!
- Language:
- English
- Words:
- 144,639
- Chapters:
- 54/?
- Comments:
- 1,073
- Kudos:
- 1,786
- Bookmarks:
- 384
- Hits:
- 52,180
-
Bookmark Notes:
Chapter 54
Binge read it within like, 2 days. Amazing. Spectacular.
MC is an engineer keeping a whole lot of secrets forrr the skeletons that she's friends with.
Bravery soul! You don't see that a lot :O
I hope we can get closer to the others soon :33 -
Bookmark Notes:
Chapter 54
-
Bookmark Notes:
53
-
Summary
Bitter End | BE 悲
All the stories are true. All the myths hold equal weight in this vast multiverse. And you are just a speck in it, a part of someone else's story. And your story... I hope it will have a better ending than most.- Words:
- 35,173
- Works:
- 3
- Bookmarks:
- 2
-
Tags
Summary
To think, it all started because you found a skeleton in the woods. Not the strangest thing you've found, but definitely one of the best.
Sans is just thankful that you were understanding of his situation when you offered him and his 'family' a place to stay.
Do dogs like bones? Of course they do! But you're about to find out just how much a wolf likes bones.
As of Feb 2026, Ch 1-3 have been updated/redone.
Series
- Part 1 of Wolfish Wonder
-
Bookmark Notes:
3
-
Tags
Summary
You fell. And what a stupid fall it was. After all that time, all that determination, all your Hope. Nothing even mattered because you fell. And now you’re dead. Or, at the very least, close to it. You can still feel pain, which you suspect is something that dead people don’t usually feel. All you can do for now is keep your eyes closed and hope for the best, be it death or salvation.
-
Bookmark Tags:
-
Tags
Summary
sans brings home a machine (one that’s already ruined his life more than once, by the way.) it malfunctioned, tore holes through reality, and dragged in his counterparts from places that he shouldn’t have business knowing existed.
so when the machine activates on its own once more, he heaves a sigh and slumps down, mentally kicking the bucket. nothing surprises him anymore; the machine convulses like it always does and he expects another version of him to tumble out. he gets his speech ready and—
oh. it’s a human.
-
Bookmark Notes:
Chap 16
-
Bookmark Notes:
15)
-
-
Tags
Summary
In this world, monsters were sealed under ground in a number of regens. Each underground was named after the classes of monsters in their region, form ages past. However Not all monsters were sealed underground, a few managed to survive on the surface, mostly.
TALE MONSTERS: Named After The More Passive, Smoller Monsters, They Are Descended From.
SWAP MONSTERS: Named After The Slightly Bigger, Passive Monsters, They Are Descended From.
SWAP!FELL MONSTERS: Named This Due To Having Traits Of Both FELL And SWAP Monsters.
FELL MONSTERS: Named After The Large, Barbarian Monsters, That Ruled The Region.
Surface dwelling monsters are the cause behind our mythology. Monsters that integrated into the human ruled world. They are the reason we have Werewolves, Werecats, Wendigos, Ghosts, Zombies and half-human half-animals. Not to mention the story's of their human children, Wizards, Witches, Warlocks and even Mages. These Magic Users ended up forming covens that exist to this day. But enuf of that, our story follows a young monster, Ray. -
Tags
Summary
As a broke STEM student, you find your choices for housing whittling down quickly until you have to let your eccentric friend "help" you move into a house filled with skeletons.
-
Bookmark Tags:
-
Tags
Summary
Sometimes, you liked to imagine that Frisk was this kind and sweet because of you.
That, maybe, you had lived up to your promise of being the best sister you could be when they were first born.
That you taking the brunt force of your abusive father’s hits and drunk mother’s curses was worth it.You had protected them from the reality of your family and… you knew that you had to protect them now.
You were Determined… To stay Kind.
- Language:
- English
- Words:
- 241,088
- Chapters:
- 48/?
- Comments:
- 462
- Kudos:
- 1,837
- Bookmarks:
- 351
- Hits:
- 44,564
-
Bookmark Notes:
chpt 48
-
Bookmark Notes:
Ch. 1
-
Tags
Summary
Meet Grace a young bar owner with secret she holds tight but what happens when she meets a certain skeleton monster with a big 'family' Will her secrets stay hidden or will the world know.
(I am bad at tagging sorry.)
All the aus here are undertale, underfell, underswap, Swapfell purple, Swapfell red, Fellswap gold, Mafiatale, Mafiafell, Mafiaswap, the gaster brothers, horrortale lusttale, and lustfell. -
Tags
Summary
14 years ago the barrier broke bringing magic back to the surface, with some unforeseen consequences.
She’s been locked up ever since, though she always was. Finally someone realized she existed and needed help. But she’s given up. Can she be saved? Does she even want to be saved anymore?
-
Bookmark Notes:
Chapter 4
-
The House Next Door by BattleMaiden13
Fandoms: Undertale (Video Game), Underfell - Fandom, Underswap - Fandom, Swapfell - Fandom, Mafiatale - Fandom, Mafiafell - Fandom, Mafiaswap - Fandom
03 Jan 2026
Tags
Summary
The first time you met monsters you manage to run into four of them and literally run into one of those four. Now they are apparently moving in next door with their siblings and you can't seem to imagine a life without monsters. On the plus side they tell horrible jokes and have endless amounts of energy. So what could possibly go wrong.
Part 1) Chapters 1-138
Part 2) Chapters 139 - ???- Language:
- English
- Words:
- 957,827
- Chapters:
- 203/?
- Comments:
- 5,656
- Kudos:
- 7,964
- Bookmarks:
- 1,149
- Hits:
- 400,142
-
Bookmark Notes:
Fav chapter so far :3
-
Bookmark Notes:
203
-
Bookmark Collections:
-
Tags
Summary
waking up in the body of a skeleton wasn't exactly what you were expecting. the last thing you remember was... the Only thing you remember was a deep, freezing cold (like you would never be warm again), disorienting, blinding, swirling white, and a flash of burning pain. then... nothing. nothing about who you are, who you were. though... the two skeletons in front of you seem familiar, like a memory you can't quite reach. here's hoping you can figure out Something.
the first one falls
Series
-
Bookmark Notes:
2
-
Tags
Summary
You're a human.
He wasn't suppose to get this hooked on you.
Love at first sight wasn't supposed to be a thing.
...
Like it or not, he was going to make you his.
Series
- Part 1 of Crave
- Language:
- English
- Words:
- 228,377
- Chapters:
- 48/49
- Comments:
- 2,461
- Kudos:
- 4,038
- Bookmarks:
- 549
- Hits:
- 142,969
-
Bookmark Notes:
🫣🫣🫣🫣🫣🫣