Not A Test Subject (Science Sans X Reader) - Undertale_Fan101 - Wattpad

Story cover for Not A Test Subject (Science Sans X Reader) by Madison-hedgefox

Not A Test Subject (Science Sans X Reader)

Madison-hedgefox

Reads 55,421
Votes 1,277
Parts 6
Time 27m

Reads 55,421
Votes 1,277
Parts 6
Time 27m

Madison-hedgefox

experiments reader sans science sciencetale undertale

You were a human who lived on the surface with an insane father who used living beings as lab rats and guinea pigs for his research he even used you. He tried creating your mother into a powerful being but the process failed and it took her life away, from then on he became insane. You decide that you should just end your life since it's filled with nothing but sadness and depression so you climb the famous moutain, Mt. Ebott. There, you meet a skeleton who changes your entire life. 

Enjoy~ ♡♡♡All Rights Reserved

experiments reader sans science sciencetale undertale

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6 parts

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Bloodfall (An Undertale AU) by BlackStormWolf

Ever since the death of his younger brother. Things have gone downhill in the surface world for Sans. Alphys died a few months after Papyrus to a disease, Mettaton and Undyne, especially Undyne, had fallen into a depression. Flowey dissapeared into mt. Ebott, not to be found and Sans is fighting depression and insanity. One day, Sans discovers a suspect to his brother's death. A being that is trapping anyone who had either fallen into Mt. Ebott or stayed behind in snowdin for a while. Sans, along with Frisk and Undyne, go into the underground themselves to confront this being. They must encounter the Bloodfall that traps and kills anyone who dares pass by waterfall. (This takes place after a true pacifist run if one killed Sans in a Genocide run, but reset their game before getting to Asgore(I did this in a way to quit the Genocide route). This is if Frisk choses to do this the Pacifist way. I might make a Genocide one in Story Shorts. Also, My Sans is a human, but feel free to interprate him as a Skeleton if you ever choose to use this AU. Just credit me!)

I'm The Apprentice: Underfell Papyrus X Female Reader by JaysDreamCatcher

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After your parents were brutally murdered, you escape up Mt. Ebott, a place where people disappear and never come back..........

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Universal Surface Angel by Lithriel

Reader insert. What if W.D Gaster didn't just get split between time and space, but actually ended up in your world in an abandoned hospital you called home? Your were a young child he decided to use as experiments to test human determination in said world and breaks physical laws to test human possibility? He knows of the powers you gained from his experiments... all but one, this one allows you to tear realities just enough to teleport into them. Knowing of Undertale you felt bad for the monsters stuck below in their world and wish to help them, but something goes wrong and you end up going to certain AUs and helping them, gaining the attention of some bad skeletons who now desire your power for them-selfish-selfs.

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You were always a curious child. One day, your curiosity took you too far. You lived not to far from a mountain, MT. Ebott, and always wanted to see what was on the top. Your parents had told you stories about the mountain and you had always wanted to see if they were true, being the naïve child you were. One day, you reached the top after a while of climbing. You looked around, not realising where you were walking and fell into a gaping black hole. You woke up to a soft voice of a goat-like monster who, ever since that moment, took care of you and loved you. She taught you magic and all sorts of recipes. Everything she knew and you loved it. But what happens when you grow up more?

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{THERE IS LEMON BUT READING IT IS OPTIONAL AND WONT AFFECT THE STORY} You've aspired to be a Monster specialist ever since the monsters had left the Underground. You leave on your first expedition to find as much information on each Monster as you could but then you're sidetracked when you wander into a cave, where the barrier once stood, though you didn't know it and helplessly wander into the Underground and meet a strange skeleton who really sparks your interest.

G!Sans X Reader by NALC2002

/This is a female reader/ Your a girl who lost her parents and siblings since you were thirteen. You grew up by your self with two dogs to keep you company during your struggles. Once you turned eighteen monsters were released from Mt.Ebott and took over the area you lived in. Will you stay in hiding? or Will you show your true identity. (This is slightly a slow burner but to be aware their will be know language or lemons.)

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Bloodfall (An Undertale AU) cover

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UF!Papyrus X Reader cover

Undertale: Sans x Reader cover

Universal Surface Angel cover

Knock Knock {A Sans X Reader - Undertale} cover

Sans X Reader The pacifist journey. //Completed// cover

WILTED: A Sans X Child Reader Story cover

Human Again ~ Undertale ~ SansxReader {COMPLETED} cover

G!Sans X Reader cover

Bloodfall (An Undertale AU)

Ever since the death of his younger brother. Things have gone downhill in the surface world for Sans. Alphys died a few months after Papyrus to a disease, Mettaton and Undyne, especially Undyne, had fallen into a depression. Flowey dissapeared into mt. Ebott, not to be found and Sans is fighting depression and insanity. One day, Sans discovers a suspect to his brother's death. A being that is trapping anyone who had either fallen into Mt. Ebott or stayed behind in snowdin for a while. Sans, along with Frisk and Undyne, go into the underground themselves to confront this being. They must encounter the Bloodfall that traps and kills anyone who dares pass by waterfall. (This takes place after a true pacifist run if one killed Sans in a Genocide run, but reset their game before getting to Asgore(I did this in a way to quit the Genocide route). This is if Frisk choses to do this the Pacifist way. I might make a Genocide one in Story Shorts. Also, My Sans is a human, but feel free to interprate him as a Skeleton if you ever choose to use this AU. Just credit me!)