Alien Breed Stories

14,902 results
Orientation
Length
Source
Infinite Scroll

Alien Sex as a Weapon

by movieye on Jul 30, 2019
Sci-Fi & Fantasy

When humans discovered the Altarra system, finally, there seemed to be a solution for Earth's overpopulation and pollution problems. But when a small population of indigenous life forms were discovered on the planet, the fateful decision was made to breed them out of existence. The Altarrans were tall beings, seemingly non-verbal. They stood almost 8 feet t...

Ambassadors of Aldadiir Ep. 002: Eyleif

by DrowsDilemma on Dec 3, 2019
Sci-Fi & Fantasy

Author's Note: Ambassadors of Aldadiir began as a one-on-one roleplaying project and has been converted into a chapter-by-chapter format for weekly posting with the permission and assistance from my partner. It will contain a considerable amount of sexual themes such as femdom, lesbian, straight, 'reverse' rape, BDSM, group sex, romance, incest, and other t...

A Slave to Fury

by Mewtwo93 on Sep 16, 2017
Sci-Fi & Fantasy

This is a continuation of the story A Slave to the Servants by DoctorWolf. I give her full credit for her world. Go read that before you read this one as this is the story of the world after the Alien invasion and Ciara's story. I contacted her abnd received no response. I couldn't just leave it off like that and really wanted to continue. I apologize for...

Prey Epilogue

by NeighbourhoodSuccubus on Mar 27, 2018
Sci-Fi & Fantasy

Editor's note: this story contains scenes of incest or incest content. *** Author's Note: This is the Epilogue of the 6 part Prey series. This is not the end for the gang, far from it. I hope you all enjoyed this as much as I did writing and I'll see you in the next series! ++++++++++++++ The family was calm for the last few days, sticking to their own r...

A Vampire's Planet

by Samuelx on Sep 16, 2017
Sci-Fi & Fantasy

My name is Tori Darwin. If you were to look at me, all you'd see is an ordinary girl. Five-foot-ten, a bit thick, with dark brown skin and long braided hair. I'm quite average in many ways. I'm not exactly leading an ordinary life, though. I was born in 2476 A.D. in the city of Boston, Massachusetts. Like every able-bodied person who doesn't have a physical...

Sick Space

by Evelynns Scythe on Dec 11, 2019
Science Fiction

''Cloe, im on the cargo zone, over'' Why are all the lights off? Victor was starting to get mad, his day was literally shit and does looks to go better when he read his mail at lunch time, his girlfriend ended the work before time on the colony, so they could get some free time after a while. He was working on the main ship out of the planet, one of the bigg...

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Octopodded Ch. 03

by HalfShim on Jun 10, 2019
Erotic Horror

The dockmaster's crew had no time to understand what was happening before they were overrun. Trotting down the ramp, octopus spawn sprung from podded humanoids, leaping onto unaware human bodies. One of dock workers tried to smash an attacking octopus with his clipboard, but missed, getting tangled up in its arms. A second octopus soon found his head, crunc...

Unlikely Breeder Ch. 03

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

Editor's note: this story contains scenes of non-consensual or reluctant sex. ***** WARNING: There is one scene of human on human rape in this chapter. Chapter 3 Earth side The FBI and USAF were beginning to get the feeling that the missing men were due to the unusual radar signatures found in the areas where the disappearances took place. In many case...

Mines of Sonhadra - Stage 02

by KarinaMacoy on Oct 16, 2018
Sci-Fi & Fantasy

(Fair Warning ~ This gender swapped, action/adventure, sci-fi hentai litRPG features elements of non-consensual sex, sex with aliens, monsters and other non-humans, tentacle stuff, seduction, coercion, dominance and submission, male/female sex -well kinda, maybe however you want to classify the gender-swapped sex....on top of the violence, fantasy elements,...

Aliens: Symbiosis

by Ashyne on Sep 1, 2017
Erotic Horror

This is the Earth, a year after the alien Xenomorphs have started infesting it, sweeping through our defenses like an unstoppable tide of death and destruction. Their anger is fuelled by their intense hatred for all species besides their own. Their lust for blood is ever consuming, as they devour countless worlds, not only for their resources or for new terr...