Tag Works | Archive of Our Own

1 - 20 of 10420 Works in Undertale (Video Game)

Listing Works

Book O Requests by FormaldeHound

Fandoms: Boyfriend to Death (Visual Novels), JOHN DOE (Mortisfox Video Game), Osomatsu san, Shall We Date?: Obey Me!, TOUCHSTARVED (Red Spring Studio Visual Novel), The Legend of Zelda & Related Fandoms, Undertale (Video Game), 魔界王子と魅惑のナイトメア | Makai Ouji to Miwaku no Nightmare | Court of Darkness (Visual Novel)
- Not Rated
- Graphic Depictions Of Violence
- F/M, Multi
- Work in Progress
2023-03-23
Tags
- Graphic Depictions Of Violence
- Matsuno Choromatsu/Reader
- Matsuno Ichimatsu/Reader
- Matsuno Jyushimatsu/Reader
- Matsuno Karamatsu/Reader
- Matsuno Osomatsu/Reader
- Matsuno Sextuplets/Reader
- Matsuno Todomatsu/Reader
- Matsuno Choromatsu
- Matsuno Ichimatsu
- Matsuno Jyushimatsu
- Matsuno Karamatsu
- Matsuno Osomatsu
- Matsuno Todomatsu
- Ficlets
- Gore
- Yandere
- some are smut some are fluff
- F/M
- Multi
Language:
English
Words:
6486
Chapters:
5/?
Published:
2023-03-23
Matchmaker Matchmaker by alonelywriter

Fandoms: Undertale (Video Game)
- Teen And Up Audiences
- No Archive Warnings Apply
- F/F, F/M, Multi
- Work in Progress
2021-12-20
Tags
- No Archive Warnings Apply
- Asgore Dreemur & Reader
- Asgore Dreemurr/Toriel
- Papyrus (Undertale)/Reader
- Sans (Undertale)/Reader
- Alphys (Undertale)
- Asgore Dreemurr
- Flowey (Undertale)
- Frisk (Undertale)
- Papyrus (Undertale)
- Sans (Undertale)
- Toriel (Undertale)
- Undyne (Undertale)
- Enemies to Friends to Lovers
- Oblivious Reader
- POV Second Person
- Papyrus Knows More Than He Lets On
- Past Abuse
- Past Relationship(s)
- Post-Undertale Pacifist Route
- Reader Is A Huge Nerd
- Reader Is Getting Their Life Together
- Reader Is Kind Of A Mess
- Reader Is Not Frisk
- Reader Runs At The First Sign Of Romance
- Reader is lonely
- Reader-Insert
- Sans Doesn't Like Reader
- Selectively Mute Frisk (Undertale)
- Sinnamon Roll Papyrus (Undertale)
- Size Difference
- Slice of Life
- Slow Burn
- Soul Bond
- Soulmates
- no beta we die like men
- F/F
- F/M
- Multi
Language:
English
Words:
59186
Chapters:
16/25
Published:
2021-12-20
Their Wings The Last by Castel

Fandoms: Undertale (Video Game)
- Mature
- Graphic Depictions Of Violence
- Other
- Complete
2021-12-14
Tags
- Graphic Depictions Of Violence
- Major Character Death
- Asgore Dreemurr
- Asriel Dreemurr
- Chara (Undertale)
- Frisk (Undertale)
- Papyrus (Undertale)
- Sans (Undertale)
- and the dog
- Alternate Universe - Underfell
- Ambiguous Relationships
- Brace yourselves
- Don’t copy to another site
- Genderless Chara
- Genderless Frisk
- Heavenfell
- I add dots for emphasis.
- Repent
- You thought this was the end
- all the salt was for this purpose
- but - Freeform
- for it is very long.
- it was just the b e g i n n i n g
- it's mine now
- n o
- now
- say goodbye to your soul
- you dirty sinner
- your tears quench my thirst
- Other
Language:
English
Words:
9836
Chapters:
1/1
Published:
2021-12-14
From flame to ash by GasterMaster

Fandoms: Undertale (Video Game)
- Explicit
- Graphic Depictions Of Violence
- F/F, F/M, M/M
- Work in Progress
2021-11-18
Tags
- Graphic Depictions Of Violence
- Grillby x Reader - Relationship
- Sans x OC
- Y - Relationship
- grillby/ female reader
- Asgore
- Fuckingjerry
- Grillby
- Other - Character
- Papyrus
- ReaderInsert
- Sans
- Toriel
- jerrysprobablynotgonnabeinthisbutstill
- 69
- Alternative universe to your own
- Anal Sex
- Body Horror
- Female Reader
- Gore
- Healing
- Hurt/Comfort
- Limb Replacement
- Magical Tattoos
- Night Terrors
- Oral Sex
- Sex
- Smut
- Translate your own wingdings if you want in the first few chapters
- W.D Gaster - Freeform
- W.D Gaster does limb replacement
- W.D Gaster helps with said limb replacement because he cant heal in the void
- W.D gaster is lonely and needs someone to walk to
- Well - Freeform
- ahhhh
- dr gaster - Freeform
- except your limbs
- fantasy ideas
- female nether bits
- gaster steals shit that blips into the void
- grillbeaforlife
- i am short let me have this
- i dont make the rules sorry
- i might do male version of chapters that involve smut
- idkhowtotag
- insecure reader
- it just left the changes you picked
- iykyk what i mean by seals if not go watch some anime and return
- lol
- most monster anatomy is the same they just wont learn it till grillby teaches them
- oc'sforlife
- oh they'll get tough all right B) iykyk
- ooc grillby
- otherwise its a mystery point
- paps is a sweet heart
- papyrus is asexual and aromatic
- platonic cuddles
- platonic relationship with papyrus
- reader also heals but they need to know how their bodily anatomy works before they can
- reader gets emotional about their body
- reader had bodily modifications from void
- reader has ability to use seals as magic
- reader is 5'11
- reader is named hahhahaha
- some aspects taken from other places
- their first name is up to you but they get called lils because they are shorter than most monsters
- their last name is nicholas
- vivid description of said limb replacement
- void bullshit
- void didn't even question your appearance
- void didnt do it
- void does the manipulation of said limbs
- yall become close friends
- you are presenting as preservice but thats not your actual soul trait
- you get put in a new universe
- F/F
- F/M
- M/M
Language:
English
Words:
8936
Chapters:
4/?
Published:
2021-11-18
I Forgive You by u_dont_kno_me

Fandoms: Undertale (Video Game)
- Teen And Up Audiences
- Graphic Depictions Of Violence
- Gen
- Complete
2020-08-01
Tags
- Graphic Depictions Of Violence
- Major Character Death
- Frisk & Sans (Undertale)
- Frisk/Sans (Undertale)
- Chara (Undertale)
- Frisk (Undertale)
- Sans (Undertale)
- (third book in The Maze Runner trilogy)
- Angst
- Attempted Undertale Genocide Run
- Can be platonic or romantic
- Canon-Typical Violence
- Chara Possessing Frisk
- Crying
- Frisk (Undertale) Needs a Hug
- Gender-Neutral Frisk (Undertale)
- Gender-Neutral Pronouns for Frisk (Undertale)
- Genocide Sans
- Hurt
- Hurt/Comfort
- Minor Frisk/Sans
- Nonbinary Frisk (Undertale)
- One Shot
- Poor Sans
- Reference from The Death Cure
- Sans (Undertale) Needs a Hug
- Sans Boss Battle
- Undertale Genocide Route
- whichever you want
- Gen
Language:
English
Words:
5976
Chapters:
1/1
Published:
2020-08-01
Undertale End of the by wattyerbottler

Fandoms: Undertale (Video Game)
- Not Rated
- Creator Chose Not To Use Archive Warnings
- Multi
- Work in Progress
2020-05-12
Tags
- Creator Chose Not To Use Archive Warnings
- Chara & Frisk (Undertale)
- Alphys (Undertale)
- Asgore Dreemurr
- Asriel Dreemurr
- Chara (Undertale)
- Frisk (Undertale)
- Sans (Undertale)
- Toriel (Undertale)
- Undyne (Undertale)
- Blood and Injury
- Other Additional Tags to Be Added
- Swearing
- Multi
Language:
English
Words:
1832
Chapters:
1/?
Published:
2020-05-12
Experimental by FireFaceOutlook

Fandoms: Undertale (Video Game)
- General Audiences
- Creator Chose Not To Use Archive Warnings
- M/M
- Work in Progress
2020-05-05
Tags
- Creator Chose Not To Use Archive Warnings
- Major Character Death
- No Archive Warnings Apply
- Sans/Sans (Undertale)
- Papyrus (Undertale)
- Sans (Undertale)
- Undyne (Undertale)
- Alternate Universe - Errortale
- Alternate Universe - Inktale
- Alternate Universe - Overtale
- Error Sans - Freeform
- Error x Ink - Freeform
- Errortale Papyrus
- Errortale Sans - Freeform
- Errortale Undyne
- Except not really human?
- Human Error
- Human Error Sans
- Human Experimentation
- Human Ink - Freeform
- Human Ink Sans
- Human Sans
- Ink
- Inktale Sans
- Kind Of
- Monster/Human Hybrids
- Reader Insert
- error
- ink sans - Freeform
- ink x error - Freeform
- M/M
Language:
English
Words:
1112
Chapters:
1/?
Published:
2020-05-05
I never wanted to die by orphan_account

Fandoms: Undertale (Video Game)
- Teen And Up Audiences
- Graphic Depictions Of Violence
- F/F, F/M, Other
- Complete
2020-04-02
Tags
- Graphic Depictions Of Violence
- Major Character Death
- Alphys & W. D. Gaster
- Asgore Dreemurr/Toriel
- Chara/Asriel
- Frisk/Sans (Undertale)
- Mettaton/Papyrus (Undertale)
- Alphys (Undertale)
- Alphys' Mother (Undertale)
- Asgore Dreemurr
- Asriel Dreemurr
- Chara (Undertale)
- Frisk (Undertale)
- Hapstablook
- Nabstablook
- Papyrus (Undertale)
- Sans (Undertale)
- Undyne (Undertale)
- Undyne's Parents (Undertale)
- W. D. Gaster
- A different World - Freeform
- Abused Frisk (Undertale)
- Child Abuse
- Child Alphys
- Child Undyne (Undertale)
- Female Chara (Undertale)
- Female Frisk (Undertale)
- Good W. D. Gaster
- Implied/Referenced Child Abuse
- Implied/Referenced Rape/Non-con
- Papyrus (Undertale) Knows More Than He Lets On
- Scientist W. D. Gaster
- Selectively Mute Frisk (Undertale)
- Teenage Chara (Undertale)
- Tsundere Chara (Undertale)
- Undyne (Undertale) Swears
- What-if Challenge
- F/F
- F/M
- Other
Language:
English
Words:
18988
Chapters:
20/20
Published:
2020-04-02
Make or Break by QuintessenceA

Fandoms: Undertale (Video Game)
- Mature
- Graphic Depictions Of Violence
- Work in Progress
2020-02-19
Tags
- Graphic Depictions Of Violence
- Major Character Death
- Rape/Non-Con
- Gothic - Character
- Lombok - Character
- Papyrus (Undertale)
- Sans (Undertale)
- Alternate Universe - No Frisk (Undertale)
- Alternate Universe - Underfell (Undertale)
- Angst
- Earn Your Happy Ending
- Gothic is a sociopath with a heart of gold
- Implied/Referenced Rape/Non-con
- Implied/Referenced Torture
- Lombok is a good guy that's trying his hardest
- Multiverse
- UF Sans has adult twins
- Underfell is a horrible place
Language:
English
Words:
63644
Chapters:
20/?
Published:
2020-02-19
Dimensions DISCONTINUED by Inkblot_Skyz

Fandoms: Undertale (Video Game)
- Mature
- Creator Chose Not To Use Archive Warnings
- M/M
- Complete
2019-11-29
Tags
- Creator Chose Not To Use Archive Warnings
- AfterDeath - Relationship
- Astrophysics (Sci/Outer)
- CherryBerry
- Errink
- Alphys (Undertale)
- Azure
- Blue
- Butter the Canary
- Calamimi (deceased)
- Crest
- Dr Lofty
- Dream
- Encre
- Error - Character
- Eterna
- Fallacy - Character
- Fibi
- Fresh - Character
- Ink - Character
- Jasper
- Mimi Cartwright
- Moissames
- Narrator
- Nichée
- Nm/Nightmare
- Orion - Character
- PJ/Paperjam
- Red
- Rever
- Rufous
- Simon
- Suave - Character
- Undyne (Undertale)
- Abandoned Work - Unfinished and Discontinued
- Azure almost has a breakdown
- Azure is just as concerned for Encre as Blue is for BB and Rasp in SJaT
- Crest doesn't look before he leaps
- Crest is also French
- Encre is basically soft uwu boy fanon Ink but French
- Encre is curious of everyone and everything
- Encre's dialect might be weird because I suck at French
- Fallacy is a hypocrite (kinda)
- Google Translate is my best friend when I write French istg
- Jasper is nicer than normal PJ
- Mermaids also exist here btw
- My first language is English so please correct me if you're fluent
- Orion's parents are mean >:v
- Rufous has a canary and she's as sweet as BUTTER
- Simon is actually such a sweetheart
- So is Moissames
- Suave is confused and conflicted
- imagine only writing oneshots
- it is undecided
- slight nsfw after a bit
- sorry - Freeform
- the narrator may or may not be a little shit
- vampverse
- M/M
Language:
English
Words:
16705
Chapters:
12/12
Published:
2019-11-29
Ethereal Flames by KlowbiLikesToSetTreesOnFire

Fandoms: Undertale (Video Game)
- Mature
- Graphic Depictions Of Violence
- F/F, F/M
- Work in Progress
2019-10-17
Tags
- Graphic Depictions Of Violence
- Chara (Undertale)/Reader (Slight)
- Grillby (Undertale)/Reader
- Asgore Dreemurr
- Chara (Undertale)
- Grillby (Undertale)
- Reader
- Toriel (Undertale)
- W. D. Gaster
- Angst
- I’m not kidding when I say slow burn haha
- Slow Burn
- Slow To Update
- Veteran Grillby
- F/F
- F/M
Language:
English
Words:
5255
Chapters:
4/?
Published:
2019-10-17
A Change Of Heart by jaeniles

Fandoms: Undertale (Video Game)
- Teen And Up Audiences
- Creator Chose Not To Use Archive Warnings
- Gen
- Work in Progress
2019-08-01
Tags
- Creator Chose Not To Use Archive Warnings
- Frisk (Undertale)
- Original Characters
- Sans (Undertale)
- Gen
Language:
English
Words:
1969
Chapters:
2/?
Published:
2019-08-01
Started with 2 now by Shadowandblack

Fandoms: Undertale (Video Game)
- Not Rated
- Creator Chose Not To Use Archive Warnings
- F/F, F/M, M/M
- Work in Progress
2019-07-05
Tags
- Creator Chose Not To Use Archive Warnings
- Papyrus (Swapfell)/ Reader
- Papyrus (Underfell)/ Reader
- Papyrus (Underswap)/ Reader
- Papyrus (Undertale)/Reader
- Sans (Swapfell)/ Reader
- Sans (Underfell)/ Reader
- Sans (Underswap)/ Reader
- Sans (Undertale)/Reader
- Black
- Blue
- Edge
- Papyrus (Swapfell)
- Papyrus (Underfell)
- Papyrus (Undertale)
- Red
- Rus - Character
- Sans (Underfell)
- Sans (Underswap)
- Sans (Undertale)
- Sans (swapfell)
- papyrus (underswap) stretch
- Alternate Universe - Soulmates
- Alternate Universe - Swapfell (Undertale)
- Alternate Universe - Underfell (Undertale)
- Alternate Universe - Underswap (Undertale)
- Starts off in swapfell
- That may change
- cursing
- sfw
- will end up in undertale
- F/F
- F/M
- M/M
Language:
English
Words:
4988
Chapters:
3/?
Published:
2019-07-05
I can hear the bells by Tech_Flow

Fandoms: Undertale (Video Game)
- Mature
- Creator Chose Not To Use Archive Warnings
- F/F, F/M, M/M
- Work in Progress
2019-06-28
Tags
- Creator Chose Not To Use Archive Warnings
- Alphys/Undyne (Undertale)
- Asgore Dreemurr & Toriel
- Mettaton/Papyrus (Undertale)
- Papyrus (Undertale)/Original Female Character(s)
- Alphys (Undertale)
- Asgore Dreemurr
- Frisk (Undertale)
- Mettaton (Undertale)
- Original Female Character(s) of Color
- Papyrus (Undertale)
- Sans (Undertale)
- Toriel (Undertale)
- Undyne (Undertale)
- Break Up
- Drama
- Fluff and Smut
- I'm Bad At Tagging
- Papyrus isn't naive
- Papyrus sometimes wears female clothing
- Sans is a Little Shit
- So fluffy you'll die
- grab your holy water
- nothing wrong with that
- pre-wedding
- selfish mettaton
- sister is a little shit
- F/F
- F/M
- M/M
Language:
English
Words:
5791
Chapters:
4/?
Published:
2019-06-28
The Simple Little Things by orphan_account

Fandoms: Undertale (Video Game)
- Not Rated
- Graphic Depictions Of Violence
- M/M
- Work in Progress
2019-06-17
Tags
- Graphic Depictions Of Violence
- Major Character Death
- Alphys/Undyne (Undertale)
- Mettaton/Papyrus (Undertale)
- Alphys (Undertale)
- Asgore Dreemurr
- Asriel Dreemurr
- Burgerpants (Undertale)
- Chara (Undertale)
- Mad Dummy (Undertale)
- Mettaton (Undertale)
- Napstablook (Undertale)
- Papyrus (Undertale)
- Sans (Undertale)
- Shyren (Undertale)
- Toriel (Undertale)
- Undyne (Undertale)
- Alternate Universe - Human
- Psychic Abilities
- Undertale Genocide Route
- M/M
Language:
English
Words:
16413
Chapters:
5/?
Published:
2019-06-17
Requiem of the Fallen by lesboinspace

Fandoms: Undertale (Video Game)
- Teen And Up Audiences
- No Archive Warnings Apply
- Complete
2019-05-28
Tags
- No Archive Warnings Apply
- Alphys (Undertale)
- Alphys crushing on Undyne
- Alphys definitely has loads of Mew Mew Kissy Cutie merch
- Alphys is trying her BEST
- Nice Cream
- Royal Guard cameo
- Which route is this? Up to you
- depictions of anxiety/PTSD so proceed with caution dearies
- mentions of Undyne and others
Language:
English
Words:
2153
Chapters:
1/1
Published:
2019-05-28
GENOCIDE SURFACE AU The by Nazareth_Rose

Fandoms: Deltarune (Video Game), Glitchtale - Fandom, Undertale (Video Game)
- General Audiences
- Creator Chose Not To Use Archive Warnings
- Complete
2019-05-14
Tags
- Creator Chose Not To Use Archive Warnings
- Alphys (Undertale)
- Asgore Dreemurr
- Chara (Undertale)
- Frisk (Undertale)
- Original Undertale Character(s)
- Papyrus (Undertale)
- Sans (Undertale)
- Toriel (Undertale)
- Undyne (Undertale)
- W. D. Gaster
- Brotherhood
- Bullying
- Discrimination
- Family
- Family Drama
- Family Feels
- High School
- POV First Person
- Platonic Female/Male Relationships
- Platonic Relationships
- School
- Segregation
- Speciesism
Language:
English
Words:
59013
Chapters:
26/26
Published:
2019-05-14
Right to Remain Silent by Ravvi

Fandoms: Undertale (Video Game)
- Explicit
- Rape/Non-Con
- Other
- Complete
2019-05-08
Tags
- Rape/Non-Con
- Abuse of Authority
- Aftercare
- Alcohol Abuse/Alcoholism
- Degradation
- Gang Rape
- Gangbang
- Non-Consensual Oral Sex
- Police officers
- Self-Isolation
- Sexual Abuse
- Unhealthy Coping Mechanisms
- grillby_undertale
- multiple penetrations
- referenced repeated abuse
- sans x multiple humans
- sans_undertale
- sansby - Freeform
- self deprecation
- Other
Language:
English
Words:
5197
Chapters:
3/3
Published:
2019-05-08
Star in abyss by SkylerSkyhigh

Fandoms: Undertale (Video Game)
- Mature
- Creator Chose Not To Use Archive Warnings
- Gen
- Complete
2019-05-03
Tags
- Creator Chose Not To Use Archive Warnings
- Bandit - Character
- G - Character
- Other Characters
- Vigour
- Abuse
- Acts of Kindness
- Adorable
- Arcades
- Art
- Attempted Rape/Non-Con
- Bad vibes
- Bus
- Cat
- Coffee Shops
- Collaboration
- Cute
- Death
- Dogs
- Enthusiasm
- Excitement
- Fights
- Free Time
- Friendship
- Gunshot
- Haphephobia
- Kill or be killed
- Kindness
- Kitten
- Non-Consensual Touching
- Pet Names
- Pet Store
- Police
- Protectiveness
- Rude - Freeform
- Second Chances
- Shopping
- Videogames
- argument
- charity - Freeform
- cinema
- entitlement
- introduction
- no kindness
- Gen
Language:
English
Words:
20837
Chapters:
12/12
Published:
2019-05-03
Pusillanimity by Have

Fandoms: Undertale (Video Game)
- Not Rated
- Creator Chose Not To Use Archive Warnings
- Gen
- Complete
2019-04-20
Tags
- Creator Chose Not To Use Archive Warnings
- No Archive Warnings Apply
- Other Characters Mentioned
- Reader
- The Riverperson (Undertale)
- Undyne
- You
- Anxiety Attacks
- No defined gender or sexual identity.
- Not a Swap-verse this time.
- One or the other...
- Panic Attacks
- Reader has low DT levels.
- Reader is River Person
- Reader is not a Determined person.
- Tra la la. You are the riverman. Or are you the riverwoman...? It doesn't really matter.
- You spend a lot of time on a boat.
- Gen
Language:
English
Words:
1444
Chapters:
1/1
Published:
2019-04-20

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1 - 20 of 10420 Works in Undertale (Video Game)

Listing Works

Book O Requests by FormaldeHound

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Matchmaker Matchmaker by alonelywriter

Fandoms: Undertale (Video Game)

Tags

Their Wings The Last by Castel

Fandoms: Undertale (Video Game)

Tags

From flame to ash by GasterMaster

Fandoms: Undertale (Video Game)

Tags

I Forgive You by u_dont_kno_me

Fandoms: Undertale (Video Game)

Tags

Undertale End of the by wattyerbottler

Fandoms: Undertale (Video Game)

Tags

Experimental by FireFaceOutlook

Fandoms: Undertale (Video Game)

Tags

I never wanted to die by orphan_account

Fandoms: Undertale (Video Game)

Tags

Make or Break by QuintessenceA

Fandoms: Undertale (Video Game)

Tags

Dimensions DISCONTINUED by Inkblot_Skyz

Fandoms: Undertale (Video Game)

Tags

Ethereal Flames by KlowbiLikesToSetTreesOnFire

Fandoms: Undertale (Video Game)

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A Change Of Heart by jaeniles

Fandoms: Undertale (Video Game)

Tags

Started with 2 now by Shadowandblack

Fandoms: Undertale (Video Game)

Tags

I can hear the bells by Tech_Flow

Fandoms: Undertale (Video Game)

Tags

The Simple Little Things by orphan_account

Fandoms: Undertale (Video Game)

Tags

Requiem of the Fallen by lesboinspace

Fandoms: Undertale (Video Game)

Tags

GENOCIDE SURFACE AU The by Nazareth_Rose

Fandoms: Deltarune (Video Game), Glitchtale - Fandom, Undertale (Video Game)

Tags

Right to Remain Silent by Ravvi

Fandoms: Undertale (Video Game)

Tags

Star in abyss by SkylerSkyhigh

Fandoms: Undertale (Video Game)

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Pusillanimity by Have

Fandoms: Undertale (Video Game)

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