Alien Transformation Stories

17,347 results
Orientation
Length
Source
Infinite Scroll

Alien Sexperiments

by TransforMaster on May 1, 2018
Science Fiction

Today was Saturday, and like every Saturday night, Dave was jogging in the woods when he suddenly saw a bright light in front of him. He was a hard-working, 48 year old father of two and really needed his jogs to unwind on weekends! "Huh, what is that?" he went closer ... Behind thick bushes he saw a young blonde standing alone in a clearing. &qu...

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The Green Blob Ch. 12

by maestro84 on Sep 19, 2017
NonHuman

It was late and more hatchlings had been drawn to this college campus. They could sense the body heat from miles away as it was the closet human establishment to the crash site. Many of them had worked their way up in to the ventilation as it was easy access to all the buildings. Henry and Jill were in his room watching tv together on a small couch he had f...

Genestealers Pt. 01

by inconsistentwriter on May 18, 2020
NonHuman

(All characters are 18 and above wherever applicable.) It was a warm summer night in Lafayette - the kind that made people leave whatever windows and doors they could safely keep open to let cool air flow in. Most had turned in early, eager to forget about the humid heat. Street lights weakly flickered here and there. In the deep hours of the evening, nothi...

Diaper Drabbles

by Wikia on May 5, 2019
Fetish

The planting ground for your own ABDL (Adult Baby / Diaper Lover) and Infantilism scenarios. There are no set rules to this interactive story (aside from the website's rules about bestiality, underaged sex, extreme violence, etc.), so go nuts. To get things started, you best begin with what kind of story you intend to do. [Note: All Age-Play involved is non-...

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Halloween Party

by Gingoguy on Oct 25, 2014
Fantasy

1666 Dead End Boulevard, they call it that because the street is literally just a cul-de-sac lined on either side with dense trees and no buildings aside from a large community center at the end. The lone structure was once an elaborate mansion from the 1800s owned by a rich plantation tycoon. It was passed down through the generations until 1910; the final...

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Living Doll

by The_Technician on Feb 25, 2019
Sci-Fi & Fantasy

A young woman at the end of her rope is offered a way to begin a totally new life... as a sex doll. I don't usually write Doll Stories and this is slightly different than most of that genre. It is very mild sexually, and is more of a sci-fi story with sexual overtones and a standard Technician twist at the end. = = = = = = = = = = = = = = = = = = = = WARN...

Une soirée magique

by zbloutch on Jul 15, 2019
Fantasy

La ville de Fort-Sépia était un endroit sans histoire. Les jours et les nuits qui s'y écoulaient se déroulaient généralement sans imprévus, et le soir ou commence cette histoire ne semblait pas faire exception à la règle. Au milieu des maisons plongées dans l'obscurité, une seule se démarquait. Ses fenêtres allumées et les silhouettes qui bougeaient, sans pa...

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The Green Blob Ch. 10

by maestro84 on Sep 19, 2017
NonHuman

Back at the crater where the meteor had originally struck there was a still silence. It was dark as night had fallen and the alien had left a few eggs in the crater to stay warm near the fires from the crash. They looked like small green rocks and when Eric and his colleagues had found the creature they didn't notice them. The time had come and some of the...

TF Quickies: Heroine

by Uniracer on Sep 11, 2018
Fetish

Content Spoilers: This story is rated "not for everyone". It features fetish material involving shapeshifting, a woman endowing herself with a penis and balls of enormous size, heavy breast expansion, absurd amounts of both sperm and milk and some messiness involving said liquids. Several laws of physics were harmed in this scenario. Enjoy! *** "Danger! Da...

Hostile Takeover

by jameseylo on Feb 26, 2019
Sci-Fi & Fantasy

Hi all. Enjoy reading my comic book script. Please feel free to leave comments and shoot me a message if you find this story especially interesting for you. Synopsis: A corporate spy finds himself becoming the unwitting subject of Biocorp's research when the alien lifeform he stole is forcibly attached to him by Biocorp mercenaries. Not only is he detained...