Gay Science Fiction Stories

GayDemon's gay porn library: in this story category you can find erotic Sci-Fi stories involving sex in futuristic settings.

Olympia: Planet of Men

By Apollo Starbinder 24 Mar 2019

This story is an epic space opera involving a human male discovering the wonders of a society made up exclusively of men. I really hope you enjoy it!

8.2 (19) 2326 13 Min Comments

Project 2050

By PCLatex 21 Nov 2018

The world is overpopulated, but what to do about it, and how to control it is the problem governments face in 2050. A solution is found, but it has some complications. A hundred years on ...

8.8 (39) 4518 25 Min Comments

The Prince and the Pleasurehouse (ch. 16)

By Valentine 2 Nov 2018

Avidus seeks out a new partner, and turns to Shadow Division for enhanced options. When danger follows Namor and his team back to the House, Proteus intervenes once again.

9.5 (17) 1128 18 Min Comments

Bite The Bullet (ch. 2)

By Eros Bastien 1 Oct 2018

Manny is a survivor of the terrible pandemic that ends civilization as we know it, roaming New York City in search of food and shelter, and discovering love truly has no rules.

8.5 (25) 1192 11 Min Comments

The Latex harvesters (ch. 3)

By rubber collector 2 Aug 2018

this is the next chapter in the latex harvesters evil plans

7.5 (6) 1437 3 Min Comments

From "The Devious Boy-Ka-Wang of Mars"

By Kyler Fey 30 Jul 2018

In this chapter from Episode #6 of Kyler Fey's serial (full book available on Amazon), Braden puzzles over a strange horniness-inducing game, and has sex with the pregnant boy Colin.

8.9 (12) 849 16 Min Comments

Troy Island (ch. 3)

By Hanuman 28 Jul 2018

Captain Roger searches for Rebecca and he will know more about the techno-state created by Mr. Heng, the mysterious mind behind the construction of Troy Island.

8.4 (4) 457 8 Min Comments

Encounter with Past Self

By Leo 25 Feb 2018

Gabe discovers a way to encounter with a past version of himself

9.2 (26) 1683 14 Min Comments

Tales from the Other Side - Lizard brain

By naaru 2 Jan 2018

When Hanno meets Maik his world is changed. Little does he know, how much.

9.0 (14) 1073 16 Min Comments

Apocalypse G (ch. 3)

By Bert LaVey 17 Dec 2017

Zombies were everywhere and these two young Mormons wanted to tell me about Jesus! I wan't going to even let them in but one guy was staring at my groin very hard, for a long time. I opened the door to the Fortress. This might prove to be very interesting!

8.6 (21) 2620 6 Min Comments

The origin of the evil doctor Rubberlax

By rubber collector 9 Dec 2017

Young man discovers new rubber formula while working for tire company there is an accident and some of the new liquid rubber has made contact with the young mans arm. Later the next day he is fired and discovers a strange new change has occurred to him.

7.1 (20) 2954 3 Min Comments

Not a rag doll

By Mighty Mouth 6 Dec 2017

It's 2015. I get a handsome male robot for my 18th birthday, who is programmed to suck cock

8.3 (49) 3052 8 Min Comments

The Ort Cloud Complication

By Petr-Johan 4 Dec 2017

An Astronaut blasts into space leaving his son in other hands.

9.1 (46) 1507 28 Min Comments

The Martian Mambo Mystique

By Petr-Johan 16 Nov 2017

A guy goes for a walk in the woods and comes away slightly changed.

8.5 (26) 1684 4 Min Comments

Paternal Instinct

By Nicky Noxville 7 Nov 2017

Trevor's dad is worried about him and decides to go snooping in his son's room. In the process, he learns something surprising about his son, and something even more surprising about himself.

8.5 (93) 7306 12 Min Comments

Euphrates Pharmaceuticals (ch. 3)

By Nicky Noxville 30 Oct 2017

Hunter and Bryant go out for their last year of Trick or Treating before college, forgoing the large party being thrown at the Euphrates building. But is it safe, especially with all the rumors of boys disappearing?

9.2 (61) 7203 17 Min Comments

The Vehicle (ch. 3)

By BoyToy 20 Oct 2017

Immediately a bolt of electricity zapped my cock. The metal plates in the tip of the chastity cage sent a bolt through my shaft. Thanks to the catheter the bolt went deep into my body and I couldn't help but let out a gasp of surprise.

8.5 (35) 3274 4 Min Comments

Balls deep thieves (ch. 3)

By Pen-ave haven 26 Sep 2017

The sound of an alarm buzzes from next door, it doesn't wake me cus i wasn't asleep, my mind wondered to the chief, handing me his position as he resined. Its not unherd of, but it certainly wasn't what i was expecting. Granted i have been in the department for some time, and i have the experience needed.

6.3 (18) 1534 4 Min Comments

The First Dive (ch. 3)

By Nicky Noxville 24 Sep 2017

Terry settles into his role as a complete slut for cock.

9.2 (53) 3495 11 Min Comments

Jason's Dilemma

By shiba8 30 Aug 2017

Jason finds himself in a situation where the human race depends on his self-control.

8.4 (36) 4980 4 Min Comments

Quantum-G

By Bert LaVey 16 Aug 2017

Quantum-G is a time machine that morphs me into any time and place in history to meet the biggest, rugged, most hard-core men for their first gay sexual experience.

8.3 (13) 2281 5 Min Comments

sex on planet Proxima b

By Mighty Mouth 21 Jul 2017

As a visiting astronaut to this planet, I got to suck off 200 identical clones, all late teenage boys with big dicks.

8.6 (30) 1897 10 Min Comments

Tentacle fucking

By GioCub 27 May 2017

As he sits in the restroom stall, invisible tentacles from the alien in the next stall slither under the stall over to him.

6.3 (57) 11069 1 Min Comments

Squishy Squishy Yum Yum

By Kyle Falls 26 May 2017

Sex and craziness all in one story

8.3 (26) 2141 8 Min Comments

Generator

By Simon Traum 23 May 2017

Cosmo bites off more than he can chew with two aggressive, quicksilver lovers.

8.9 (23) 2639 29 Min Comments

The Fall

By Kyle Falls 20 May 2017

Not your usual sexual story, based around an apocalypse and one man's journey in the apocalypse. My attempt at something new and trying to write something different. Minimal sex, has very strong themes. Authors note in the story.

8.5 (10) 753 18 Min Comments

The sexoids

By rubber collector 19 Mar 2017

Gay young man becomes sex maniac after being exposed to alien spores from seed pod

7.9 (23) 4978 5 Min Comments

Invasion of the Vorlons

By rubber collector 6 Mar 2017

alien beings from another dimension have come to planet earth to taken over all rubberized humanoids to convert them into sexdroids

7.6 (14) 3252 5 Min Comments

Paranormal Jacktivities: Gozer Chair

By Doom Guy 13 Feb 2017

Demon, Multiple hands, Hypno, Submission, facefuck, assfuck

9.3 (34) 3911 8 Min Comments

GEM: Genetically Enhanced Male

By Balletboy 17 Jan 2017

Twins Jake and Aiden are hired to go to a medical testing center and get infected with a disease and monitored. It does not go the way they expected it to

8.6 (100) 7549 16 Min Comments