1 - 20 of 60,335 Works in Undertale (Video Game)
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You'd never expected to be one of those people who bonded with a random stray, and if you did, you never expected it to turn out like this. The tiny... blob of an animal was cute, affectionate, and melted your heart before you'd even named him. Unfortunately, not everything is as it seems. You've met this lovely creature before, and he definitely remembers you...
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TW: Suicide Idelation, Depression Implied child abuse/neglect so if theses thing trigger you dont read
This is an Undertale AU developed and written by me , so here's a brief summary of what happens in this AU after the players/frisk's 18th's genocide run, though this time in the judgement hall everything seemed a bit different like.. some things weren't there when they should've been. Following this during Chara's Confrontation as they were about to press Erase, Frisk pressed reset at the same time going back in time way back, something that shouldn't have happened in the first place that will now forever mess with the game files.
- Language:
- English
- Words:
- 1,430
- Chapters:
- 1/1
- Hits:
- 0
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What happens when a monster falls in love with a human? What happens when that human is a celebrity?
Would you like to know?
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Here Comes the Bride by FandomWorld9728
Fandoms: Undertale (Video Game), Underfell - Fandom, Underswap - Fandom, Swapfell red - Fandom, Fellswap Gold - Fandom, Horrortale - Fandom, Underlust - Fandom
24 Oct 2025
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You were so excited to finally get married to your long time fiancé, only for him to leave you for another girl with nothing but a note. Lucky for you, your two best friends were there to help you through this rough patch of your life.
Series
- Part 12 of Undertales Across the Multiverse
- Part 8 of Papyrus/Reader Fics
- Part 8 of Sans/Reader Fics
- Part 1 of Here Comes the Bride
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Baseline ⊹ by E4rly_Suns3ts_0ver_M0nrov1lle
Fandoms: Deltarune (Video Game), Undertale (Video Game)
25 Oct 2025
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The all new “Tv Time Evening Show” is now Live!! Featuring 2 halves, the first being a special guest performance every night, hosted by Mr. ‘Ant’ Tenna and yours truly MTT. While the second half consists of scheduled reruns showing old explicit films, music videos and performances until the channel rests for the night.
Though this evenings performance was cut short due to some technical difficulties..
- Language:
- English
- Words:
- 3,130
- Chapters:
- 1/2
- Hits:
- 0
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Just a summary of my thoughts of before undertale, essentially.
More stuff on sans and Alphys' relationship, and some other stuff.
- Language:
- English
- Words:
- 3,056
- Chapters:
- 1/1
- Hits:
- 0
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A fanfic set in Underfell focusing on Flowey and the events that occur.
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The ice inside our souls (and the flames melt our hearts) by LostLunarCat, Spotted_Gar
Fandoms: Political RPF, Actor RPF, Auto-B-Good (Cartoon), Undertale (Video Game), Deltarune (Video Game), Five Nights at Freddy's, TIIOSATFMOH, Video Blogging RPF, The Owl House (Cartoon), Gotham (TV)
25 Oct 2025
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Slowly, he dialed a number. Knowing his most trusted friend could help him in this most ghastly time.
“F-f-Freddy are you there?” He knew his Freddy Fazbear could help him; he had always been there for Glen (like always).
“Whore whore whore whore whore, Glope is that you?” He impregnated the silence.
“Ooh Fuzzy Wuzzy,” he sobbed. He was like the most unfortunate-looking crier the world had ever HAD to see.
“Listen up, Glen, I know just the thing to cheer you up. Meet me in the McDonald's play pen in 10 minutes,” Freddy announced. He hung up before Glen could even continue his tirade.
Or alternatively
The Harrowing Journey of Glen Powell, the world's first transgender Navy SEAL. With his HOT and SEXY glazed donut spirit and mossy demeanor, he must fight many enemies- from Golden Corral, to Claire’s, to the White House, to the streets of Gotham, and worst of all, OKLAHOMA. ALL for his beloved, Obama: the sexiest grilled cheese sandwich. Embark on this tale of tragedy, love, friendship, romance, murder, Twitter cancellations, nightly tickle sessions, villainy, drunk driving, hatred of the working class (not us though), toxic relationships, freedom, male violence, affection, and more!!!
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One day, our main character decides to open up Undertale before going out with some friends, he leaves the game on when he leaves, and when he returns, he finds the game with completely new dialogue, but as he finishes reading it, he slowly falls unconscious until he wakes up in the world of the game he loved.
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Just a place where I'll dump any UTDR fanart I have :p
- Language:
- English
- Words:
- 5
- Chapters:
- 1/?
- Hits:
- 3
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I ran out of tag room, so it’s being split up! Hope you enjoy nonetheless!
Series
- Part 2 of Cactus’ Kinktober 2025
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A skeleton walks into a stripclub...
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“For you are the Sun and I am but one of many in a sea of hues. Your pompous radiance scorches the earth on which I take root in. Your smugness and arrogance only deepens the chasm of loathing within my hollow corpse. Your pride forces me to grow and live, your compassion and love driving my soul to madness. Your empty promises merely echo in the chamber of my heart, can’t you realise how futile it is? My petals lost of its essence, my leaves shrivelled to grey, my thorns softened and rounded. There is nothing left to need, desire or get. Let me wither into the ashes of my own grief.”
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Every indulgence comes with a cost.
The world of UNDERSWAP is a derivative one, a place where characters you're familiar with can live out new lives, do different things, but always retain that sense of identity and familiarity you're accustomed to, while not straying too far into newness.
We see for ourselves how this is not that uncommon a behavior, a world similar to this one has the main character be named Kris instead of Frisk. Submerging yourself in the opportunity of this, understanding the lengths to which you may cling onto it, is a fearsome thing.
What makes this world so special, is the question? What makes it worth doing, clinging onto this feeling?
A skeleton guides you through the underworld, and he chooses whether or not you may pass from one world to the next.
- Language:
- English
- Words:
- 7,257
- Chapters:
- 3/3
- Hits:
- 18
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Loneliness isn't as bad as a disease with no cure. Loneliness isn't as terrible as the grief of losing a loved one. If you're lonely, it's just your fault for not reaching out to people. You should be more social. You should at least try.
You aren't sure when you started feeling lonely.
or
Frisk is tired of being alone. Of being lonely. Of being an inconvenience. Of standing in the way of others.
So, she finds a permanent solution to her problems.
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Undertale Purple - Perseverance by AnonymousWriter08
Fandoms: OMORI (Video Game), Undertale (Video Game)
24 Oct 2025
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A long time ago... humans and monsters lived in harmony. Until war broke between the two races.
The humans were victorious and sealed monsterkind deep underground with a powerful spell, that could only be broken with the power of seven human souls.
This was the tale of Mt. Ebott, and the tale trascended into legend. Those who climbed the mountain, weren't seen again.
And so, begins the tale of the fifth human soul to fall into the land of legend, to fall... into the Underground.
This is the tale of the Purple Soul... Sunny Suzuki.
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You're no one special. Just another human living with a single parent. Your life is pretty boring, or so you think, but then one day you wake up and it's not in your bed...
Series
- Part 42 of Sentinaltale & AUs
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Monsters and humans have had their differences, but none have been so much in conflict with the kingdom of monsters than the monarchy ruled by Queen Chara. Known by monsters as the "Bloody Queen" for ruling with an iron fist and dabbling in the forbidden arts. No monster has been able to stand up to her. Rumor has it that she harbors a powerful weapon, the secret to her power and the key to her downfall. A single monster, after many centuries of failure, makes it past the guards and into the room that holds the weapon, but it's not what he or anyone else was expecting...
Series
- Part 26 of Alternate Timelines
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If the shadows had eyes and ears and hands to work with, would it worship the light or scorn it?
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The Darkness of Creation: Can't Be Erased by Mysterie
Fandoms: Undertale, Disney - Fandom, Marvel, Teenage Mutant Ninja Turtles, Cuphead - Fandom, Dick Tracy - Fandom, Halloween (Movies), The Legend of Spyro (Video Games 2006-2009), Spyro the Dragon (Video Games 1998-2005), Pokemon - Fandom, Deltarune, Bendy and the Ink Machine
24 Oct 2025
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Halloween gives rise to something the whole of Earth is not ready to face...