List of sci-fiios Porn Games
Discover and download the best sci-fiios porn games for free. Our collection includes adult games for various platforms, tailored to your preferences.
LustGames currently have 1715 sci-fiios porn games available to download. The games are sorted in order of relevance with the best sci-fiios games coming first.
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The Obsidian Vow
You were the price of a treaty: one Sarto heir married to Roman Bellandi, the man who owns Valmarra's docks, its judges, and half its bodies. Now you live inside the house of the family that ruined yours — with a husband who watches you like a debt coming due, a brother-in-law who wants you, and the missing half of your father's ledger hidden somewhere in the city.
romance
blackmail
rape
graphic violence
female protagonist
pov
text based
simulator
rpg
PornoHero [v0.09]
![PornoHero [v0.09]](/Games/PornoHero/miniMainImage.webp)
The game's protagonist will be James Miller, a porn actor owed money to a criminal authority and trying to find a way to survive incidentally by shooting his own porn films.Gradually, moving along the plot of the game, there will be an opportunity to build your porn empire and to be shot in movie...
3d game
animated
big tits
male protagonist
oral sex
vaginal sex
Forbidden Apple [v16]
![Forbidden Apple [v16]](/Games/Forbidden-Apple/miniMainImage.webp)
A little about the story of the game. There will be a mysticism, sci-fi, and a lot of sex. Independent life as always starts with problems and lack of money. Unless, of course, your parents are rich. There is a dream to quickly create a career and make a lot of money. Living a carefree life, tak...
3d game
3dcg
animated
big ass
big tits
character creation
fantasy
groping
male protagonist
monster girl
oral sex
vaginal sex
Endless Zone Ero [v1.0 Free]
![Endless Zone Ero [v1.0 Free]](/Games/Endless-Zone-Ero/miniMainImage.webp)
A Lewd Sci-Fi Adventure Step into a futuristic world filled with danger, mystery, and irresistible charm. This lewd sci-fi adventure blends tense missions, seductive encounters, and deep character moments into one unforgettable experience. Explore memory fragments, infiltrate secret facilities, a...
2dcg
ai cg
big ass
big tits
groping
harem
male protagonist
mobile game
monster girl
oral sex
parody
sandbox
vaginal sex
Chrono Harem: Artifact of Syr [v0.2.1A]
![Chrono Harem: Artifact of Syr [v0.2.1A]](/Games/Chrono-Harem-Artifact-of-Syr/miniMainImage.webp)
Chrono Harem: Artifact of Syr is a story-rich adult dating sim that takes you on a journey across two parallel timelines. Travel freely between the present and a mysterious sci-fi future, uncovering secrets, building relationships, and shaping your destiny.
3dcg
ahegao
animated
big ass
big tits
fantasy
handjob
male protagonist
milf
mobile game
oral sex
sandbox
vaginal sex
Dreams To Catch
This game is choice-based. A mysterious beauty will unsuspectingly enter the MC's life and will change his life, for the good or bad is for you to decide. While progressing through the game, you will discover the mysteries about the MC's past and his feature, and there are multiple endings to exp...
3dcg
adventure
big ass
big tits
blackmail
corruption
drugs
exhibitionism
fantasy
female domination
groping
humor
interracial
male domination
male protagonist
milf
mind control
paranormal
religion
romance
sandbox
sexual harassment
sleep sex
superpowers
voyeurism
Wormhole Trouble [v0.06]
![Wormhole Trouble [v0.06]](/Games/Wormhole-Trouble/miniMainImage.webp)
Wormhole Trouble is a sci-fi adult visual novel series. In the game you play an astronaut who gets transported to another galaxy. You must find out what happened and potentially find your way back home. Also you get to fuck a lot of aliens on the way.
2dcg
anal sex
oral sex
titfuck
vaginal sex
The Alpha Underground [v1.0]
![The Alpha Underground [v1.0]](/Games/The-Alpha-Underground/miniMainImage.webp)
CW: The Alpha Underground is an erotic and intense story that is not for everyone. It contains dubcon scenes. You must be 18 year or older to play. The Alpha Underground is a sci-fi erotic visual novel about a shady underground facility that experiments with muscle-growing their helpless test sub...
2dcg
anal sex
furry
gay
groping
male protagonist
masturbation
mobile game
oral sex
romance
Totally a Spy! [v0.1]
![Totally a Spy! [v0.1]](/Games/Totally-a-Spy/miniMainImage.webp)
In a somewhat-familiar near-future sci-fi universe, you take on the role of the best of a very select few individuals, agents of the "Office of Alliance Territorial Intelligence and Security". In fact, some would go as far as to call you a living legend. So when you get tasked with an infiltratio...
female protagonist
humiliation
real porn
sex toys
spanking
NeuroDynamics
You play as a brilliant but shy young tech expert who lands a dream job at the secretive cutting-edge company NeuroDynamic. What starts as professional tension with two powerful, commanding Futanari executives quickly turns into intense power dynamics, temptation, and deep personal transformation...
ai cg
animated
big ass
big tits
futa/trans
groping
male protagonist
milf
mobile game
netorare
oral sex
teasing
vaginal sex
Cyan Brain 2
Cyan Brain 2 is a sci-fi sandbox horror game where players must run, hide, and survive while being relentlessly pursued by powerful futa monsters. Explore a mysterious and hostile world, gather clues, uncover hidden information, and piece together the truth behind the terrifying ordeal to discove...
2d game
adventure
anal sex
animated
big ass
big tits
censored
creampie
fantasy
female protagonist
futa/trans
graphic violence
horror
lesbian
monster
monster girl
oral sex
rape
sandbox
shooter
side-scroller
tentacles
vaginal sex
vore
FLX - Downfall of I-Dolls [v0.28]
![FLX - Downfall of I-Dolls [v0.28]](/Games/FLX--Downfall-of-IDolls/miniMainImage.webp)
In FLX, you take control of a group of idols and brainwash them to make them the most popular and trending topic in a dystopic city. Make them your personal harem, or let others use their bodies to spread your influence. This trainer game allows you to access new venues and content as you corrupt...
2dcg
corruption
male protagonist
trainer
BoneCraft + The Race to AmadollaHo
In BoneCraft, the player can get blow jobs, have sex, or anal sex with all of the girls in the game. The sex scenes are not blurred or censored, with all of the sex acts visual to the player.A large portion of the story revolves around the main character and his crew wanting to find elves so they...
3d game
adventure
anal sex
combat
fantasy
group sex
male protagonist
oral sex
rpg
vaginal sex
voiced
Just Deserts
Just Deserts is a sci-fi action dating sim where you play as a soldier who must protect a city from mysterious alien attack, while at the same time need to capture the heart of your dream girl(s)!
2dcg
adventure
dating sim
male protagonist
multiple endings
no sexual content
turn based combat
voiced
Destinies InterTwined
This game is about... a lot of things. But what it all comes down to at the end of the day (Or Episode) is human relations, and the psychology aspects that come with. I plan on making this project quite the ride both from the visual side of things. But also the deep rooted plot that resides withi...
3dcg
adventure
animated
big ass
big tits
fantasy
female protagonist
humor
no sexual content
school setting
superpowers
teasing
EroSpace
'Erospace is an erotic narrative action game inspired by both point-and-click and visual novel elements. We aim to immerse the player into a sci-fi universe, with a robust plot, many dialogue options and consequences, creative aesthetics, evocative music, and of course...sex! The story follows Il...
2dcg
adventure
fantasy
female protagonist
oral sex
romance
titfuck
One Week: Foxy's [v0.1]
![One Week: Foxy's [v0.1]](/Games/One-Week-Foxys/miniMainImage.webp)
This is a slice of life, no monsters, no sci-fi, no gangsters. Over the course of 1 week you will work hard and party hard, but who will you go home with?
3dcg
dating sim
humor
male protagonist
romance
Revenge of Bird
This is an NTR game centered around a young nerd who becomes a stud and enacts revenge. This game is probably the first of its kind due to the cast of characters, the development of said characters, and a few twists and turns that may catch you off guard. This game is my first attempt and a thank...
3dcg
ahegao
ai cg
big ass
big tits
cheating
corruption
creampie
exhibitionism
groping
group sex
handjob
humor
male protagonist
netorare
oral sex
swinging
vaginal sex
Save Us Mr Convict! [v0.1]
![Save Us Mr Convict! [v0.1]](/Games/Save-Us-Mr-Convict/miniMainImage.webp)
Sci-fi/Fantasy visual novel set on a dangerous, unfamiliar world where humans are rare — and convicts are sent without explanation. You awaken with no memories and no guidance, forced to navigate a planet that views your existence as something unusual… and valuable.
3dcg
big ass
big tits
fantasy
handjob
male protagonist
monster girl
oral sex
Sledge's Big Dinner
NOTE: contains Female Weight Gain and Femboy Weight Gain content Follow Sledge on his adventure to explore outside the forest! Experience a wacky, unpredictable story from the perspectives of two characters! Fans can test their mettle against two foes not seen since the My Dear Fallen Angel games...
2dcg
ai cg
big ass
big tits
fantasy
male protagonist
monster girl
no sexual content
rpg
trap
turn based combat
Soft Serve [v1.0 Final]
![Soft Serve [v1.0 Final]](/Games/Soft-Serve/miniMainImage.webp)
3D Kinetic Novel. Built with the Godot Engine, so you can zoom/pan/rotate the camera on each page. Includes animations, various music, and sound effects. It uses a lot of tech I spent a ton of time on, like real time skin shaders and real time boob physics that don't require any fancy graphics ca...
3dcg
anal sex
animated
creampie
female protagonist
futa/trans
kinetic novel
lesbian
milf
multiple penetration
oral sex
vaginal sex
virgin
List of sci-fiios Porn Games by Platform
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List of sci-fiios Porn Games
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