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 1707 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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The Ashen Tithe
Every seventh year the Ashen Court takes one soul from the villages of the Marches, and this spring the wreath of dried thorns was put around your neck. Beneath the dead colossus of the Ashen Tree, in a court of beautiful and dying fae, the lord who took you wants something more than the custom allows — and what sleeps under the roots has been waiting six hundred years for a mortal who fits the lock.
fantasy
romance
monster
horror
blackmail
rape
female protagonist
pov
text based
simulator
rpg
SEX EXIT
You are trapped in a mysterious looping street with no way out. Detect anomalies to escape or stay trapped forever. Tempting girls and porn screens will distract you, but terror lurks beneath. Lust versus fear: can you break the circle or will desire consume you?
3d game
3dcg
adventure
ahegao
ai cg
big ass
big tits
horror
male protagonist
milf
monster
oral sex
puzzle
sci-fi
vaginal sex
voiced
USV Polaris [v0.0.2]
![USV Polaris [v0.0.2]](/Games/USV-Polaris/miniMainImage.webp)
You have just graduated from the academy. You now serve under your own mother, the captain of the *USV Polaris*, a civilian colony ship bound for a new world. The journey was supposed to last 80 years in cryostasis. But after only 3 years, something went wrong. The ship has vanished. Tensions a...
3dcg
ai cg
animated
big ass
big tits
interracial
male protagonist
parody
sci-fi
teasing
S.H.E.L.T.E.R. [v0.16]
![S.H.E.L.T.E.R. [v0.16]](/Games/SHELTER/miniMainImage.webp)
The day everyone feared, the day everyone hoped would never come, arrived in the form of a nuclear cloud. The government shelters, built to save and protect the lives of its citizens soon crumbled from overpopulation and lack of food.With no other choice, many tried to find another life by return...
2dcg
adventure
anal sex
big tits
creampie
drugs
footjob
group sex
handjob
incest
lesbian
male protagonist
masturbation
oral sex
pregnancy
romance
sci-fi
sex toys
spanking
tentacles
titfuck
vaginal sex
virgin
voyeurism
ARIA: Genesis
Blast, bomb and bang you way to finding a cure that can save your boyfriend from dying. After all, how else will you be able to enjoy his di- I mean, his amazing personality for years to come?
3d game
adventure
animated
big ass
big tits
combat
creampie
fantasy
female protagonist
handjob
monster
oral sex
prostitution
sci-fi
shooter
teasing
vaginal sex
Breeding Island
A story that will induce terror and waken up your tribal instincts in a matter of minutes. Jump into an adventure full of surprises and regrets. Can you trust your own allies?
3dcg
adventure
ahegao
big ass
big tits
creampie
dystopian setting
fantasy
female domination
handjob
horror
loli
male protagonist
monster girl
paranormal
pregnancy
romance
sci-fi
superpowers
titfuck
vaginal sex
Breeding Season Estrus [v0.1.0 Beta]
![Breeding Season Estrus [v0.1.0 Beta]](/Games/Breeding-Season-Estrus/miniMainImage.webp)
Breeding Season Estrus is a free adult game and a very long labor of love. Have you ever stared up into the night sky and found yourself wondering what kind of sexy monstergirls/boys/enbies/energy beings are up there boning amongst the stars? Do you keep returning to thoughts like "I like Star Tr...
2dcg
ai cg
fantasy
management
monster
monster girl
sci-fi
Cyberpunk 2069 [v0.07]
![Cyberpunk 2069 [v0.07]](/Games/Cyberpunk-2069/miniMainImage.webp)
A futuristic pixel art point-and-click RPG, where you explore a medieval fantasy world and have relationships with beautiful girls on Earth and in Space. You were the only one to survive the alien invasion on the planet "Xen-2" now living on Earth with your Aunt, Earth is resided by women and chi...
2dcg
animated
bdsm
big ass
big tits
creampie
dating sim
groping
male protagonist
milf
mobile game
monster girl
oral sex
point & click
rape
rpg
sci-fi
teasing
transformation
turn based combat
vaginal sex
Erotic Trap Dungeon
Elf girl Elmia wakes up to find herself on top of an unfamiliar tower!?She must make her way down the stairs to return to her village but...The tower is choc-a-block full of erotic traps and lewd monsters!!
2d game
2dcg
anal sex
bestiality
big ass
big tits
censored
combat
corruption
cosplay
fantasy
female protagonist
humiliation
japanese game
monster
oral sex
rape
rpg
sci-fi
tentacles
urination
vaginal sex
Lifeform: Zero
A small meteorite has fallen to Earth. The meteor is an egg from the other side of the universe. The state classifies the existence of the egg as a possible hazard, and has taken it to the state secret SCR center. The player plays the role of a condemned prisoner. By becoming a member of the SCR ...
3d game
animated
big ass
big tits
fantasy
male protagonist
management
monster girl
oral sex
pov
sandbox
sci-fi
titfuck
Planet of Terror
You play as a Bounty Hunter
3dcg
animated
big ass
big tits
combat
female protagonist
horror
masturbation
monster
rape
sandbox
sci-fi
tentacles
vaginal sex
Simgirls Remake [v1.0]
![Simgirls Remake [v1.0]](/Games/Simgirls-Remake/miniMainImage.webp)
Remaking Simgirls, one of the most played dating sim games in the World. It is a Flash game first released on Newgrounds back in 2002. Gameplay:
2d game
3dcg
adventure
animated
big ass
big tits
cheating
dating sim
fantasy
humor
japanese game
lesbian
male protagonist
masturbation
romance
school setting
sci-fi
superpowers
teasing
vaginal sex
voiced
voyeurism
Spaced Out [v1.00]
![Spaced Out [v1.00]](/Games/Spaced-Out/miniMainImage.webp)
Story: The story is set on a military research space station in Earth's orbit, whose AI goes haywire and starts killing the personnel. A family manages to lock themselves on a part of the station which is disconnected from the AI control systems but they pay a high price for that - the father rem...
3dcg
adventure
anal sex
big tits
footjob
handjob
incest
lesbian
male protagonist
oral sex
sci-fi
spanking
stripping
titfuck
vaginal sex
voyeurism
The Last Star Walker
In the vast cosmos, two realms stand out: Navā, a mystical world where magic flows freely, and Terra, a technological marvel at the peak of innovation. Both face exploitation by power-hungry elites. As the boundaries between Navā and Terra begin to blur, a critical question arises: What happens w...
3dcg
adventure
big ass
big tits
fantasy
graphic violence
male domination
male protagonist
sci-fi
S Rank Breeder
In the near future, a disease has made it almost impossible for people to have children. To keep the country from dying out, the government takes over. Every young adult is sent to a special academy, given a score based on their body and their "breeding value," and ranked. Your rank decides the r...
2dcg
ai cg
animated
big tits
cheating
corruption
cosplay
creampie
dystopian setting
handjob
harem
male domination
male protagonist
masturbation
mobile game
multiple protagonist
netorare
romance
school setting
sci-fi
vaginal sex
voyeurism
Sirius 2023 [v0.7]
![Sirius 2023 [v0.7]](/Games/Sirius-2023/miniMainImage.webp)
Sirius 2023 is an open RPG game. Go wherever you want, do whatever you want The story describes the happy moment of the protagonist in Sirius. Gather girls everywhere to become sexual partners in their own factories. Follow you to fight. Become rich and powerful. Of course, you also need to have...
3dcg
anal sex
animated
bdsm
big tits
male protagonist
masturbation
oral sex
sci-fi
vaginal sex
Undercity of Sin [v1.02 Steam]
![Undercity of Sin [v1.02 Steam]](/Games/Undercity-of-Sin/miniMainImage.webp)
Asuna Hoshizuki is beautiful, loudmouthed, and hits like a freight train. A jobless dropout, she doesn't have much of a life, but she has a loving mother and a family restaurant she helps out at. Trailer Formerly known as "Asuna Hoshizuki and the Underground City of Lust".
2d game
2dcg
ahegao
anal sex
big tits
corruption
creampie
exhibitionism
fantasy
female protagonist
groping
group sex
handjob
japanese game
male domination
mind control
oral sex
pregnancy
prostitution
rape
rpg
sandbox
sci-fi
sex toys
spanking
titfuck
turn based combat
urination
vaginal sex
virgin
voyeurism
CyberFuck 2069
Welcome to the Naughty City — a dangerous megalopolis filled with sex, lust, and willing naked girls. Throw yourself into the middle of the action, and beware approaches from all angles! Rogue-like shooter Take on a pantheon of robotic enemies in an epic combat. Upgrade your character to be ready...
3d game
animated
big tits
creampie
female protagonist
groping
lesbian
sci-fi
sex toys
shooter
vaginal sex
Divine Adventure Rebirth [v2.1]
![Divine Adventure Rebirth [v2.1]](/Games/Divine-Adventure-Rebirth/miniMainImage.webp)
You play as a young boy (age left to user choice due to patreon rules) who is chosen to be the next god of destruction in universe 7 following the exile of both Beerus and Champa. With the help of your angel Vados you must attend to the duties of a GoD and raise the mortal level of universe 7. Th...
2dcg
ai cg
anal sex
animated
big ass
big tits
blackmail
creampie
graphic violence
handjob
harem
incest
male protagonist
milf
mind control
mobile game
oral sex
parody
pregnancy
rape
rpg
sandbox
sci-fi
sexual harassment
superpowers
titfuck
vaginal sex
The Perfect Paradise
You will play as Aiden—a calm, intelligent man who lives by reason and logic. He doesn't chase fame, power, or pleasure. He only wants one thing: to make his family happy. But as the days pass, the world around him begins to unravel. Each day, Aiden begins to notice things that shouldn’t be real—...
3dcg
adventure
animated
big ass
big tits
dating sim
fantasy
groping
handjob
harem
incest
male protagonist
milf
mobile game
multiple endings
romance
school setting
sci-fi
teasing
voyeurism
My Future Wife [v1.1.0 Steam]
![My Future Wife [v1.1.0 Steam]](/Games/My-Future-Wife/miniMainImage.webp)
Do you believe in time travel? If you don't, let me tell you my story. Well, I was 18 years old and I was in my last year in high school. The special thing about me was that I could travel... 30 seconds into the future. I didn't know why. It just started to happen when I masturbated the very fir...
3dcg
handjob
harem
male protagonist
milf
mobile game
ntr
romance
school setting
sci-fi
virgin
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.