List of sci-fi Porn Games
Discover and download the best sci-fi porn games for free. Our collection includes adult games for various platforms, tailored to your preferences.
LustGames currently have 1679 sci-fi porn games available to download. The games are sorted in order of relevance with the best sci-fi games coming first.
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Slutia Dungeon Crawler RPG
Slutia is a dark, unapologetic fusion of Hardcore Tactical RPG depth and high fidelity Adult Sexual Fantasy. In a world where steel and sorcery rule, you are the architect of your own destiny. Conquer the deepest dungeons, master the art of war, and claim the ultimate spoils of victory.
2d game
adventure
anal sex
corruption
fantasy
group sex
harem
male domination
male protagonist
monster
oral sex
rape
rpg
strategy
turn-based combat
vaginal sex
pov
combat
bestiality
big ass
big tits
creampie
handjob
milf
prostitution
slave
sleep sex
spanking
stripping
teasing
titfuck
virgin
voyeurism
ai cg
female protagonist
multiple protagonist
religion
Beyond Her World [v0.1.1]
![Beyond Her World [v0.1.1]](/Games/Beyond-Her-World/miniMainImage.webp)
It is a female protagonist erotic RPG with many planned sexual content. All characters in the game are aged 18+. Every scenes can be prevented, there's no forced one. If you don't like a certain content, you may avoid it. Beyond Her World Stella, a shy girl who lives a mundane life finds herself ...
2d game
3dcg
adventure
corruption
fantasy
female protagonist
groping
puzzle
sci-fi
sexual harassment
Chosen of Xixrelk [v0.7]
![Chosen of Xixrelk [v0.7]](/Games/Chosen-of-Xixrelk/miniMainImage.webp)
The game is about an elf and her super-duper important quest... yea...
2dcg
adventure
anal sex
animated
big ass
big tits
fantasy
female protagonist
furry
monster
monster girl
multiple penetration
oral sex
platformer
prostitution
sandbox
sci-fi
tentacles
vaginal sex
Cosmic Cube [v2021-10-17]
![Cosmic Cube [v2021-10-17]](/Games/Cosmic-Cube/miniMainImage.webp)
Introduction: Nice to meet you, my name is 'Thank you eggplant'. Right now I'm making a 2DACT game called Cosmic Cube --The last Propostita. Story is being worked on.
2d game
2dcg
adventure
big ass
big tits
combat
female protagonist
japanese game
monster
rape
sci-fi
vaginal sex
Cyber Girl 2.0 RUNNING
She's back! Prepare for stunning visuals as you run, fly, and gun in this challenging 2-D platformer! Overcome puzzles, obstacles, and enemies as you race through this exciting adventure!
2d game
2dcg
anal sex
animated
bdsm
big tits
combat
female protagonist
japanese game
platformer
rape
rpg
sci-fi
sex toys
side-scroller
slave
vaginal sex
Deep Space Waifu - ACADEMY
Our new college fraternity will put you in contact with some hot girls! It's up to you save those poor girls from the alien clothing threat! Live the king bear's good old days in college, on a quest to lost virginity and get the PERFECT WAIFU! All while kicking alien butt... WHILE DATING! -...
2d game
2dcg
combat
cosplay
fantasy
harem
humor
japanese game
monster girl
sci-fi
shooter
superpowers
Deep Space Waifu: FLAT JUSTICE
This is a stand alone EXPANSION following the events after DEEP SPACE WAIFU – ACADEMY DLC.The theme now is FLAT GIRLS.This is a simple SUPER CASUAL shmmup meant to be played even with one-hand.FLAT IS JUSTICE!!You are a member of the F.L.A.T.FABULOUS LAW APPLICATION TASKFORCE of the METROLOLITAN ...
2d game
2dcg
combat
cosplay
fantasy
harem
humor
japanese game
monster girl
sci-fi
shooter
superpowers
Desert Nightmare [v0.70]
![Desert Nightmare [v0.70]](/Games/Desert-Nightmare/miniMainImage.webp)
You wake up in the middle of the desert onboard a crashed spaceship. You realize that you are on the planet of slavers and slaves. If you want to avoid the worst you have to be careful. Very careful. Unless of course you are one of those who don't want to.
3dcg
bdsm
female protagonist
sci-fi
slave
text based
Fixing the Birthrates [v0.1.2]
![Fixing the Birthrates [v0.1.2]](/Games/Fixing-the-Birthrates/miniMainImage.webp)
It's 2038. The world didn’t collapse overnight, it was outpriced and outlived. A long, grinding slide as birth rates flatlined across the globe and society quietly reshaped itself into a single techno feudalist malformation. It’s finally your time. Eviction is inevitable. There’s nowhere left to...
3dcg
animated
big tits
dystopian setting
male protagonist
mobile game
romance
rpg
sandbox
sci-fi
vaginal sex
Galactic Love Utopia: Arrival [v0.75.7 Public]
![Galactic Love Utopia: Arrival [v0.75.7 Public]](/Games/Galactic-Love-Utopia-Arrival/miniMainImage.webp)
You are a fanfiction writer who gets kidnapped by aliens. But instead of being probed or experimented upon you are taken to a space station run by a mysterious rich backer, who selects a single member of each known intelligent alien species to write more for them to read. Y ou are the only human ...
2dcg
animated
big ass
big tits
dating sim
furry
groping
male protagonist
monster girl
sandbox
sci-fi
teasing
vaginal sex
Hard Edge [v1.0]
![Hard Edge [v1.0]](/Games/Hard-Edge/miniMainImage.webp)
A basic behavior simulation for the Sexy Quad units. Originally for the 'Strawberry Jam 9' jam. This is a simple rhythm game with a scoring system. This project was to figure out overall game development and how to implement a lot of features. There may be a few bugs, but im not intending to retu...
3d game
animated
creampie
furry
internal view
sci-fi
simulator
vaginal sex
Hotel of the Damned Desires - Part 1
The Story: Hotel of Damned Desires You thought your biggest challenge was surviving your final week of college. Between the mounting pressure of exams and the increasingly assertive—and dominating—demands of the women in your life, your plate was full. But when your landlady, Carol, invites you a...
3dcg
animated
bdsm
big ass
big tits
creampie
female domination
group sex
handjob
humiliation
incest
interracial
male protagonist
masturbation
milf
mobile game
monster
multiple endings
oral sex
school setting
sci-fi
slave
superpowers
teasing
vaginal sex
voyeurism
Kaori After Story
Following Kaori's ending in ACE Academy, your now girlfriend has invited you to spend Christmas and New Years with her family. Your trip takes you to the countryside of Isokaze, where her parents and twin sisters are surprised to see that Kaori has brought a boy home! From meeting the parents, en...
2dcg
animated
male protagonist
no sexual content
romance
sci-fi
twins
voiced
L'Agence
You will play the story of a man who has to return to his home town for work. But who knows what might happen in this quiet little town. The main character is a spy who was recruited as a teenager and had to leave his family. For 6 years he has been on missions around the world but this new missi...
3dcg
adventure
animated
big ass
big tits
cosplay
handjob
incest
male protagonist
milf
oral sex
sci-fi
superpowers
teasing
Lilac Stars [v0.2]
![Lilac Stars [v0.2]](/Games/Lilac-Stars/miniMainImage.webp)
Visual novel futuristic erotic parody
2dcg
adventure
animated
bdsm
big ass
big tits
creampie
fantasy
internal view
male protagonist
management
monster
monster girl
oral sex
parody
prostitution
sandbox
sci-fi
slave
vaginal sex
Lost: Find
This is a turn-based casual game. Players can attack or restore blood volume according to the value of the sieve, and pass the level by defeating the boss. Different combinations of sieves will produce different skills, and random values can be generated by rolling again. The sieve can also be re...
2dcg
animated
big ass
big tits
creampie
male protagonist
monster girl
oral sex
sci-fi
simulator
strategy
vaginal sex
Main Character Simulator
Shinji, your generic protag-kun, who doesn't even have any artwork is forced to become the hero he'd always dreamed of when his friends Izumi and Kiyoko (who are far funnier than he is) find a mysterious pendant that happens to belong to an angry group of space pirate aliens. Experience an alien ...
big ass
big tits
creampie
male protagonist
oral sex
sci-fi
vaginal sex
voiced
NEOMORPH [v1.8]
![NEOMORPH [v1.8]](/Games/NEOMORPH/miniMainImage.webp)
This is a simple tower defend like game,click mouse left button to shoot enemies, make sure you don't get hurt. Defeat Neomorph, fight with ladies!SPOILER: FEATURES
2d game
2dcg
adventure
animated
big tits
sci-fi
shooter
NaughtyNook [v1.0]
![NaughtyNook [v1.0]](/Games/NaughtyNook/miniMainImage.webp)
Sandbox game, explore around. Busty milfs and teasing.
3dcg
ai cg
big tits
humiliation
milf
sandbox
school setting
sci-fi
teasing
voiced
New Automata [v0.13]
![New Automata [v0.13]](/Games/New-Automata/miniMainImage.webp)
After the destruction of the tower, the androids seem to have a new opportunity, only things changed.
2d game
2dcg
big ass
big tits
male protagonist
parody
rpg
sandbox
sci-fi
turn based combat
Phantom Protocol [v0.2.6]
![Phantom Protocol [v0.2.6]](/Games/Phantom-Protocol/miniMainImage.webp)
Life has always been manageable for citizens, as long as you don't draw too much attention. Unfortunately, due to circumstances beyond your control, you are thrust into a dangerous situation. The Agency has you under their thumb. Don't give up hope. You will meet friends, allies and lovers who ...
3dcg
big tits
dating sim
harem
interracial
male protagonist
paranormal
romance
sandbox
school setting
sci-fi
superpowers
teasing
voyeurism
List of sci-fi Porn Games by Platform
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List of sci-fi Porn Games
LustGames organizes porn games into 117 categories. Browse the tags below to find games matching your interests—each game can belong to multiple categories.