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.

8.0
7 Votes

Skylar's Discovery (ch. 8)

Story by CJ

27 Apr 2013 455 Readers comments 29 Min Read

Back at Maui Angel might have found a way he can help his friends. Meanwhile Sky and the others head back to Maui to regroup.

Topics: Latin Men, Masturbation, Sci-Fi

9.0
21 Votes

Puppy Love

Story by Jason

18 Feb 2013 6905 Readers comments 7 Min Read

A man goes on a date with a dreamy mystery man, when they get to his house he wants to take it to the next level, however his date has a secrete he is ashamed to reveal! Is he "man" enough to reveal whats beneath his wolfish good looks?

Topics: Sci-Fi

6.7
7 Votes

Opposites Attract - a Camili-Cat fan-fiction (ch. 2)

Story by ashtonsimpson67

11 Feb 2013 786 Readers comments 17 Min Read

Part two of this Camili-Cat fan-fiction~ Upon arriving at Mallor's home, he and Cam are kidnapped by Mallor's mortal enemy, General Zaxxon. Zaxxon has stolen Mallor's son, Venn, and plans to turn all three of them into his own personal slaves. In the mean time, Zaxxon's guards decide to have some fun with Cam...

Topics: Puppy Play, Sci-Fi, Master & Slave

7.5
71 Votes

Arriving To Prometheus

Story by Hawkeman974

22 Jan 2013 9448 Readers comments 5 Min Read

Colton Nicks, Chris Adams, and 3 other guys get the most erotic alien sex of their lives.

Topics: Anal Sex, Sci-Fi, Aliens

7.2
17 Votes

Changed? (ch. 2)

Story by DarkDawn

16 Jan 2013 2078 Readers comments 4 Min Read

The second part, it was originally written for my own use, but I decided to post it somewhere, that how I found this website. NOTE: I do not gain anything from the stories I publish here, however please do not copy them to anywhere else, I don't like that.

Topics: Cop, Sci-Fi

6.3
11 Votes

Star trek (ch. 2)

Story by J.P.

28 Dec 2012 1021 Readers comments 5 Min Read

I woke up several hours later in my dark stateroom with a heavy blanket over me...

Topics: Sci-Fi

6.6
5 Votes

Tra

Story by J.P.

28 Dec 2012 1432 Readers comments 4 Min Read

I stumble out into the cold, trying to escape my evil captors. They have tortured me, enslaved me to their every whim, and their taking more of us every day.

Topics: Sci-Fi, Master & Slave

6.5
2 Votes

Mental Stones

Story by WickedDame

26 Nov 2012 478 Readers comments 6 Min Read

Kailyn is a nobody, but nobodies can go a long way if they can grab their futures and shape it. Lucky for Kailyn his future is in reach, though it won't be him who will shape it.

Topics: Sci-Fi

8.6
5 Votes

Thank You Marty (ch. 2)

Story by Jason

10 Oct 2012 707 Readers comments 41 Min Read

Aliens pursue a selfconscious young man wearing a human skin suit because he's sick of being ugly. He makes friends with an android while running away from evil aliens!

Topics: Black Men, Anal Sex, Construction Worker, Sci-Fi, Aliens, Robot

8.9
18 Votes

Cody. Ryan. Leo.

Story by chocol8moonlight

5 Sep 2012 2875 Readers comments 19 Min Read

Dear Science. Please perfect cloning faster. I have three gorgeous boys to clone! Sincerely, Their lover-boy.

Topics: Anal Sex, Big Dick, Sloppy Hole, Sci-Fi, Twink, Oral & Blowjobs

8.4
22 Votes

Robopocalypse

Story by chocol8moonlight

5 Sep 2012 2562 Readers comments 6 Min Read

Set in a future where people can purchase a wide range of useful robots commercially, this story is an account of a young boy’s first sexual encounter with his, and as an escape into the wild possibilities our future may bring.

Topics: Anal Sex, DP, Sci-Fi, Twink, Robot

7.6
30 Votes

Androstimulus Virus - Beginning

Story by Tim & Drayce

1 Aug 2012 7398 Readers comments 5 Min Read

An experiment gone wrong, endangers a whole facility. Before the incident, a young teenager fools around with a security guard in the lavatory...

Topics: Sci-Fi

8.8
17 Votes

My experience in space

Story by ddevers

21 May 2012 1088 Readers comments 15 Min Read

Have you ever been in a place that was very quiet? So quiet that when you hold your breath the only sound you hear is the beating of you heart?

Topics: Sci-Fi, Oral & Blowjobs

7.4
9 Votes

AGTIM (ch. 5)

Story by DPAngel

19 Mar 2012 1106 Readers comments 7 Min Read

"Who the hell are you?" I found my voice. "Baby, its me... Tylor" spoke the sexy god of a man. "Bull, where is he and answer my question. Who are you?"

Topics: Sci-Fi

8.9
30 Votes

Built for Sex

Story by Rob Bass

13 Feb 2012 7693 Readers comments 27 Min Read

Gil Walker has been transformed by a mysterious man on a tropical island twenty years ago and he is returning to the island. Driven towards man sex, getting closer to the island where it all began is only amping the stud up further so he can't wait to get to Isla Paradiso.

Topics: Black Men, Anal Sex, Muscle, Big Dick, Alpha Male, Sci-Fi, Oral & Blowjobs

9.2
26 Votes

The Banker's Boy

Story by Wander Wonder

9 Jan 2012 3642 Readers comments 16 Min Read

Once the brute is gone, Tanners needs another way to satisfy demonic lusts.

Topics: Anal Sex, Spanking, Sci-Fi, Oral & Blowjobs, Demons

9.1
33 Votes

The Brute

Story by Wander Wonder

28 Dec 2011 3981 Readers comments 37 Min Read

Everything changes for one unexperienced boy when the brute squad rolls into town.

Topics: Anal Sex, Sci-Fi, Oral & Blowjobs

8.7
10 Votes

Shadow

Story by Boomer84

16 Nov 2011 1034 Readers comments 28 Min Read

When his ex-lover's new boyfriend goes missing, Nathan has to use his psychic abilites to investigate his strange disappearance.

Topics: Relationship, Sci-Fi, Boyfriends

9.2
27 Votes

Pleasure Giver

Story by Habu

24 Aug 2011 4379 Readers comments 45 Min Read

Capability enhanced Pleasure Giver Jeremy moves from providing sexual fantasies for human males to pleasing even more demanding hominoids in future space.

Topics: Anal Sex, Big Dick, Hairy men, Sci-Fi

9.0
6 Votes

The Blue Yonder (ch. 3)

Story by SciFiLover

13 Jun 2011 1177 Readers comments 12 Min Read

The Blue Yonder crew battle to repair the damage caused by the saboteur and Captain Malloy continues his attempts to find the cure for the effects of Solution 5 which causes the men aboard ship to turn gay.

Topics: Black Men, Sci-Fi

4.5
14 Votes

Two big apples

Story by gomomo

21 Jan 2011 2030 Readers comments 1 Min Read

My time with helping the apple man.

Topics: Anal Sex, Face Fuck, Sci-Fi, Oral & Blowjobs

9.2
73 Votes

Chattel

Story by Rex

6 Oct 2010 6457 Readers comments 63 Min Read

A jaded space trader rescues two slaves from certain death and ends up getting more than he bargained for!

Topics: Anal Sex, Fisting, Sci-Fi, Oral & Blowjobs, Master & Slave

7.9
13 Votes

Paradisio One

Story by ZigundZag

30 Jul 2010 2961 Readers comments 11 Min Read

Haven't you ever wondered whether those stories of underground gay scenes were true? The stories of groups of gay guys taking in new meat just for their pleasure? A young man, fresh to life, barely nineteen, discovers this world full on...as the fresh meat.

Topics: Sci-Fi

5.4
12 Votes

Time Machine - Adventure (ch. 6)

Story by Jazz

9 Jul 2010 1368 Readers comments 2 Min Read

The chief just stood there, gazing at our naked bodies and rock hard cocks swinging around like tails...

Topics: Big Dick, Sci-Fi

7.0
9 Votes

Life in a Dead World (ch. 2)

Story by JakexLove

14 Jun 2010 1500 Readers comments 5 Min Read

Brandt woke up not smelling fresh Bacon on the stove. He brushed his dogs fur, Cherokee slept at Brandt's feet on his bed.

Topics: Sci-Fi

6.1
14 Votes

Atalin and Alyl

Story by L.K.S.G. McDowell

21 Apr 2010 2138 Readers comments 5 Min Read

Atalin V, Emperor of the Nimsol People enjoyed making love with his little 2nd wife, Alyl, a Nimsol male far younger than his husband.

Topics: Sci-Fi

7.7
39 Votes

Alex's New Life (ch. 4)

Story by TaigaStar

24 Mar 2010 11786 Readers comments 9 Min Read

This part of the story focuses on how James came to be a slave as well. I plan this to serve as something akin to an interlude, of sorts, to kind of give more perspective of James' personality.

Topics: Big Dick, Sci-Fi, Master & Slave