Genociderun Stories

65 Stories

DeTermination (an Undertale x Aga Fanfic) by GoldenFreddyAfton
DeTermination (an Undertale x Aga...by Lathan Rowland
Inspired by samanthas story shocked and shocker this is an au where Freddy kills Goldie with help from Bonnie Chica and Foxy and they try to hide his body but Delilah ev...
Who Says You're the One in Control? by ColorfulNoodle
Who Says You're the One in Control?by Colorful Noodle
Papyrus is dead. As are over 100 of the monsters in the Underground. Now it was just Chara against Sans in the Last Corridor. Already prepared to die here, Sans fights m...
The Royal Executioner (Reader Insert) (Undertale) by ThatUsernameUsed
The Royal Executioner (Reader Inse...by ThatUsernameUsed
Many of you have heard of The Royal Judge, Sans. But, have you heard of The Royal Executioner? His name is Y/N, and he is The Royal Executioner of The Underground. He th...
Undertale: War of Souls by authorofworlds
Undertale: War of Soulsby SUBJECT VIEN
Frisk, the final human, has finally fallen into the Underground, her soul ripe for the taking, or so they'd thought. When this human begins committing genocide throughou...
The CONSEQUENCES of your ACTIONS by Ubiety
The CONSEQUENCES of your ACTIONSby Ubiety
They've finally had enough. It's time for this to end. And Frisk will finally understand what happens when you push someone too far. "Do you think that even the bes...
Undertale One Shots by KachiSertona
Undertale One Shotsby Kachi Sertona
Lots of little one-offs and side things. Enjoy! (No shipping included)
"GENOCIDE RUN" by detchism
"GENOCIDE RUN"by Clyde!!
Frisk had just started the genocide run, killing every monster in their path. While human, Ezra, falls right after the first murder. He encounters a fire monster, the bu...
Innocent Chara pictures by ThatAkutagawaKinnie
Innocent Chara picturesby StarIsEnby
⚠️TRIGGER WARNING ⚠️ Self-harm and suicide Mainly angst and some evil Frisk(yes I know that Frisk isn't reasonable for genocide and it's you the player's fault) and some...
Kids like YOU (Sans x  reader) by LockerGeekArt
Kids like YOU (Sans x reader)by NeverCeaseToAmaze
Sans loves you... and he will do ANYTHING to have you...
Completed
Selfless Determination [Undertale Fanfic | Sans x Reader] by momofroggy
Selfless Determination [Undertale...by froggy
Sans breaks the universe by managing a dodge at the supposed final battle blow during a genocide run. The timeline, the universe was broken. The only way to repair the...
Charisk-Reunited by JustUrAverageAngel
Charisk-Reunitedby JustUrAverageAngel
Follow the journey as Frisk and Chara free the montsers and find love.
Life Can't Be RESET [UnderTale] by Dragonfire719
Life Can't Be RESET [UnderTale]by Kaitlyn
Pacifist. Neutral. Genocide. SAVE. LOAD. RESET. Over, and over again. Living through an endless loop has started to take its toll on Sans. Eventually, he just doesn't ca...
Flip My Switch [Mettaton x Reader] by mumbling_intensifies
Flip My Switch [Mettaton x Reader]by nipnopopolis
A certain self-obsessed robot decides that he is your new best friend, and you don't particularly feel up to objecting. And your life is good, with your sister returned...
Fallen Kingdom (Underkeep One-Shot by Silver_the_Cat
Fallen Kingdom (Underkeep One-Shotby Silver_the_Cat
A quick one shot set in a post-genocide run of Underkeep. The former king of the Underground treads old grounds and relives old memories of when his kingdom had fallen...
I will always [LOVE] you by ValentinaCondotta
I will always [LOVE] youby Oliver Condotta
E' davvero così bello, annegare nel potere di annientare il prossimo?
Paying For It (Classic!Sans X Genocide!Reader Oneshot) by HolyCrapSpace
Paying For It (Classic!Sans X Geno...by Lana
Why did you do it...? How could you? Well, now you were punishing yourself... WARNING Contains self-harm!!
La bête noire (One-shot) by OkameArt
La bête noire (One-shot)by Okame-Art
Quelque chose de vraiment étrange ce produit dans les recoin sombre de la sphère. Et Ink, le gardien de la création, est bien décidé a chasser le coupable. Car cette fo...
Completed