Gay Sci-Fi Stories

GayDemon's Stories: On this page you can find erotic fiction where you can read about futuristic gay sex and sci-fi.

Adventures of a Doom Marine

By Britman 10 Dec 2020

Doom was a 1990s PC game. The UAC have now gone one better, with Actual Reality.

9.1 (48) 5217 14 Min Comments

United

By Andy C 29 Nov 2020

Two related fragments. Football in the future.

9.3 (26) 1950 11 Min Comments

Living (ch. 9)

By Swimboyyy 20 Nov 2020

My wishes were granted with a beautiful body....could I make that happen with someone else.

9.3 (26) 2021 11 Min Comments

Certified Quality Men (ch. 2)

By eddie edizejavi 17 Nov 2020

We have come a long way in Genetic Engineering this past century. Now we are able to build artificial men, the perfect men to fulfill your every desire. The possibilities are endless.

8.6 (35) 6226 17 Min Comments

Living (ch. 8)

By Swimboyyy 11 Nov 2020

Something about getting a dangerous man so venerable just does it for me. Do I really have control over this Cartel boss?

9.2 (25) 1446 13 Min Comments

Certified Quality Men

By eddie edizejavi 8 Nov 2020

We have come a long way in Genetic Engineering this past century. Now we are finally able to build you an artificial man, the perfect man to fulfill your every desire. The possibilities are endless.

8.7 (44) 6709 6 Min Comments

Living (ch. 4)

By Swimboyyy 27 Oct 2020

Getting new help and services that come with it.

9.5 (37) 2209 13 Min Comments

Living (ch. 3)

By Swimboyyy 25 Oct 2020

Getting money and getting my cheeks clapped in one day. Ryan started feeling the luxuries of his new life.

9.2 (36) 2798 12 Min Comments

Living (ch. 2)

By Swimboyyy 24 Oct 2020

I get the wishes that I dreamed of in more than one way.

9.2 (48) 2863 6 Min Comments

It's Alive (ch. 3)

By Simon Peter 23 Oct 2020

Will the aliens be able to use Stevie in their plan to occupy Terra?

8.4 (21) 2192 10 Min Comments

Living

By Swimboyyy 23 Oct 2020

Boring life that changes when Ryan meets a Genie.

8.3 (32) 3850 3 Min Comments

It's Alive (ch. 2)

By Simon Peter 22 Oct 2020

Stevie's parents witnessed the surprise of their life. Mom moaned. Dad inhaled sharply. Stevie held his huge penis in one hand, as it swelled and erected.

8.4 (20) 3310 17 Min Comments

It's Alive

By Simon Peter 20 Oct 2020

Stevie closed his eyes tight and wished for a bigger penis after he had seen a big black dildo in his mother's undies drawer. He wished and wished as he fingered his pencil-thick penis. When woke up the next morning, he was up for a big surprise. To say the least.

8.0 (39) 5823 16 Min Comments

Viral Enhancement UK (ch. 13)

By winstion1 13 Oct 2020

Hi all I know it been a couple or more years since I did a new chapter here it is VIRAL ENHANCEMENT UK CHAPTER 13: NEAR UK WATERS. I am writing the next chapter at this moment. Some sex in this one and solo fun more will be coming in the next chapter.

8.5 (5) 480 24 Min Comments

The Founding Fathers and the Love that Guided Them

By RobbinWine 6 Sep 2020

The year is sometime between 1774 and 1908 or something like that. War against the Sith rages on but there is also stuff going on in America. Here it is.

6.7 (6) 267 3 Min Comments

Out the Window (ch. 3)

By TallyMans 24 Aug 2020

Floatering - - a truly remarkable experience that is born from the fruits of weightlessness, it adds a new dimension to shared intimacy.

8.9 (15) 575 12 Min Comments

Remote control units (ch. 7)

By Luke 15 Aug 2020

The harvest was finally here and the Dark Crew were set to have their needs met for who knows how long. Every unmonitored nook and cranny was put to use!

8.8 (14) 917 6 Min Comments

Remote control units (ch. 6)

By Luke 14 Aug 2020

With desperation reaching new highs, the Rags were will to do anything. Anything! Fucking straight guys had never been so much fun. Golden Days!

9.4 (11) 1176 8 Min Comments

Remote control units (ch. 5)

By Luke 13 Aug 2020

Reduced to numbers, horny enough to punch through bricks, and now 'owned'. WTF? The Rags can't cut a break. For the Dark Crew, the plan is finally coming together.

8.8 (10) 838 7 Min Comments

Remote control units (ch. 4)

By Luke 12 Aug 2020

Rag medicals will ball bag transmitters, The Dark Crew in waiting. The building of pressure, these droid drivers were nuts!

9.1 (10) 931 7 Min Comments

Remote control units (ch. 3)

By Luke 11 Aug 2020

Keeping the Rags clean and creating hairless units. Synchronizing electric dicks and beta testing to blow point. As before, a mental journey, possibly not enough sex for you all? Luke

8.9 (11) 995 10 Min Comments

Remote control units (ch. 2)

By Luke 10 Aug 2020

Turner Minerals buys the mine and recruits for it. The Dark Crew meets to plan for making use of the recruits. Nice virtual metallic cocks! As before, its a mental journey, possibly not enough sex for you all? Luke

8.9 (9) 1604 7 Min Comments

Remote control units

By Luke 9 Aug 2020

Turner Minerals make use of tech to maximize profit. Rouge programmers make use of tech to fuck labor units. Mental journey, possibly not enough sex for you all? Luke

8.3 (20) 3118 9 Min Comments

Wormholes

By Nicky Noxville 4 Aug 2020

Beau's strange, incense burning, gay roommate convinces him to be the model for a revolutionary new sex toy he's developed. What could go wrong?

9.4 (68) 5808 12 Min Comments

Commander Cody (ch. 2)

By Kyle Falls 27 Jul 2020

2nd part of my Commander Cody series. Space, violence, and romance. Please leave comments, emails, or something to let me know what you think.

8.7 (28) 2118 41 Min Comments

Commander Cody

By Kyle Falls 26 Jul 2020

A completed version of my sci-fi series. I have fixed many typos and I urge you to give this final version a chance. My story is better enjoyed downloaded on a tablet or phone. This is a sci-fi romance about two people, who are polar opposites and the friendship/love that starts to form. Please leave comments and send email if you enjoyed my story.

8.1 (30) 2108 29 Min Comments

Keeping Secrets (ch. 3)

By Grant 26 Jul 2020

It's one year later, and new challenges face the team.

9.7 (72) 1801 75 Min Comments

Beam me up

By Kyle Falls 22 Jul 2020

35 year old Trey Wallace is going to see find out first hand if there is intelligent life somewhere else. But what will it cost him?

7.9 (62) 5228 14 Min Comments

Lab Rats

By expatmark 19 Jul 2020

The paralysis will pass in a few moments. Just relax and listen. You have been selected to be the lead member of an experimental group. You are no longer on the Earth. We have transported you across space to a world far beyond your species knowledge. You will be told more soon but for now please try to relax and let the recovery process run it's course.

9.2 (85) 6469 97 Min Comments

An Ill Wind (ch. 8)

By PCLatex 28 Jun 2020

Connor O'Malley, aka Peter Wilson-Parker, and his friends do their photo shoot for a graphic novel.

9.6 (19) 1731 6 Min Comments

Testing, Testing... 1 2 3 (ch. 2)

By SnarfulBuddy 15 Jun 2020

Three young men, Cameron, Eddie and Matteo, are locked in a mysterious room and must work together to pass a test and escape, but just what are they willing to do to get out?

9.1 (12) 1310 16 Min Comments

Space Force (ch. 7)

By Danny Galen Cooper 14 Jun 2020

Time is a strange beast. Before I knew it, it was the morning of the launch. Training dragged by, but suddenly, there was no more training. I stood in my flight suit trying to squelch the nerves that seemed to come from nowhere.

9.4 (28) 660 9 Min Comments

The Mutant Companion (ch. 11)

By PCLatex 14 Jun 2020

Joffrey pursues his dream of giving his friend and companion an heir, but there are other forces at work and he must arrange to rescue an old friend ...

9.1 (6) 992 13 Min Comments

Space Force (ch. 6)

By Danny Galen Cooper 13 Jun 2020

Deleted video of the killer is reconstructed. Jason's lecture on aerospace propulsion makes Jake horny, and Jason is forced to face the consequences.

9.4 (21) 490 6 Min Comments

Testing, Testing... 1 2 3

By SnarfulBuddy 11 Jun 2020

It's the mid-1990's and three young guys, each of differing sexual tastes, are locked in a mysterious room and must work together to pass a test and escape.

9.2 (14) 1893 15 Min Comments