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Aliens

Featuring extraterrestrial beings, these games often explore themes of space travel, alien invasions, or interstellar diplomacy. Encounter mysterious life forms, defend against alien threats, or uncover the secrets of the cosmos in these otherworldly adventures.

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Top rated NSFW
tagged Aliens (96 results)

96 results

Explore NSFW games tagged Aliens on itch.io. Featuring extraterrestrial beings, these games often explore themes of space travel, alien invasions, or interstellar di · Upload your NSFW games to itch.io to have them show up here.

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Lust Odyssey (NSFW Visual Novel)
An 18+ epic space adventure.
Xperiment
Rated 4.7 out of 5 stars
(513 total ratings)
Visual Novel
Tales From The Unending Void
Camran, nobleman and smuggler, roams the galaxy. As he becomes part of sinister plans, his life is changed forever...
Perverteer
Rated 4.6 out of 5 stars
(1,159 total ratings)
Visual Novel
Yarrow Valley
Out in space... Can anyone hear you moan?
arcade party
Rated 4.6 out of 5 stars
(232 total ratings)
Visual Novel
The Solarion Project
$18
An adult, sci-fi rpg with a host of indepth characters!
Naughty Underworld
Rated 4.6 out of 5 stars
(196 total ratings)
Role Playing
Breeders From Sector 9!!
A seminal raid of Gravid Proportions!!
FeelinImpish
Rated 4.7 out of 5 stars
(103 total ratings)
Play in browser
Para Ark
$7
Pregnancy, Breed, Alien, Monster girl, Breast Expansion, Hyper Breast
ST Hot Dog King
Rated 4.4 out of 5 stars
(260 total ratings)
Adventure
Lunar Crisis
$7
NSFW adventure/exploration... in space.
Vosmug
Rated 4.7 out of 5 stars
(62 total ratings)
Adventure
Parasite Infection
$8
You have been abducted to a spaceship full of body changing parasites
ParasiteInfection
Rated 4.5 out of 5 stars
(124 total ratings)
Interactive Fiction
Silent Echo
[18+] Strange latex-like creatures now roam Installation Echo. Will you survive the unknown and their strange powers?
Jaded Dreams
Rated 4.6 out of 5 stars
(60 total ratings)
Visual Novel
Play in browser
To Trust an Incubus Demo Bara Yaoi BL Visual Novel
Four Sexy Burly Bara Incubi Have Come to Earth, Are They Good or Evil? Kenta Must *Bond* With One of Them to Find Out!
Y Press Games
Rated 4.6 out of 5 stars
(87 total ratings)
Visual Novel
Remote Sensing
DOMINO CLUB
Rated 4.9 out of 5 stars
(22 total ratings)
Visual Novel
Play in browser
Zetria Demo
karnedraws
Rated 4.3 out of 5 stars
(174 total ratings)
Platformer
Starwatch Academy
[18+] First contact with extraterrestrial life changed humankind in many ways. What will you become at the academy?
Jaded Dreams
Rated 4.4 out of 5 stars
(84 total ratings)
Visual Novel
Play in browser
Contra 2028
Contragon
Rated 4.4 out of 5 stars
(28 total ratings)
Action
Through spacetime
Sci-fi adult harem game
empiric
Rated 4.2 out of 5 stars
(79 total ratings)
Visual Novel
Aliens in the Backyard
$15
The Dark forest
Rated 4.4 out of 5 stars
(23 total ratings)
Role Playing
SOMEONE IS ALREADY MUTATED
A gay erotic horror guessing game
exaltation
Rated 4.5 out of 5 stars
(20 total ratings)
Interactive Fiction
Play in browser
Earth Boys Are Easy
Aliens, eggplants, and love. Find your extraterrestrial bae in EBAE!
poorlyformed
Rated 4.2 out of 5 stars
(58 total ratings)
Visual Novel
Starship Inanna
TheMadDoctors
Rated 4.0 out of 5 stars
(162 total ratings)
Visual Novel
[ABANDONED] Extraterrestrial Gains
An +18, sci-fi, multi kink, expansion game!
Remuke
Rated 4.1 out of 5 stars
(109 total ratings)
Interactive Fiction
Play in browser
Primeval Planet: Angimanation (NSFW 18+)
$9.99
The vicious monsters on this planet will hunt Ava down and give Ava the most brutal and primitive treatment.
Dr. Linch
Rated 4.4 out of 5 stars
(11 total ratings)
Adventure
Crash Landing 2
Aaliyah and her sexy guest continue their exploration of each other.
The Lusty Lizard
Rated 4.8 out of 5 stars
(8 total ratings)
Simulation
Dr Brap
Help this fartsy doctor in a research!
UJay1
Rated 4.2 out of 5 stars
(18 total ratings)
Puzzle
Play in browser
Usagi Star (Alpha v0.2)
(18+) Planet Caturn is under attack! The Queen has been captured! You are our only hope, Usagi Star!
CountMoxi
Rated 4.0 out of 5 stars
(64 total ratings)
Shooter
Pome
Have fun with a big tiddy alien gf.
CountMoxi
Rated 3.9 out of 5 stars
(69 total ratings)
Simulation
Organ
Connect the dinglebops with the schmarckles and see what happens.
Apophenia 23
Rated 4.2 out of 5 stars
(11 total ratings)
Future Love Space Machine (FLSM) : Adult SciFi Sex (NSFW Erotic Lewd)
F.L.S.M. - Lewd cyberpunk sci-fi sex game. Plus, space monsters, robots, cat girls, lgbt!
ripened peach
Rated 3.7 out of 5 stars
(260 total ratings)
Simulation
Carnal Coup - Overseer's Edition
$7.99
As a perverted shapeshifter, you must fight to save your world!
DaScoot
Rated 5.0 out of 5 stars
(6 total ratings)
Interactive Fiction
Teen Alien in Your Closet
A needy alien shows up in your closet. Throw her out or share her quest.
Pent Panda
Rated 4.1 out of 5 stars
(12 total ratings)
Interactive Fiction
Area69 v0.78
$3
Vampires, ghosts, aliens, werewolves and girls... many girls to meet!
k78games
Rated 4.0 out of 5 stars
(23 total ratings)
Asterism:Lawman
$1.50
-50%
You're the Sheriff 'round these parts! ... At least, as far as you remember...
Cottage Games
Rated 4.0 out of 5 stars
(22 total ratings)
Interactive Fiction
Play in browser
Carnal Coup - Public Release Version
18+ Text-Based Sci-Fi Smut!
DaScoot
Rated 3.8 out of 5 stars
(64 total ratings)
Visual Novel
Play in browser
Cultural Exchange
A complicated mating ritual
Bruno Dias
Rated 4.4 out of 5 stars
(8 total ratings)
Psychic Erotic Extraterrestrial Neutralizers
An unlikely trio of heroes embark on a quest to save humanity by having gay sex. Really.
poorlyformed
Rated 3.9 out of 5 stars
(18 total ratings)
Role Playing
Play in browser
Callisto
$5
Shape the future of the galaxy with the assistance of your loyal crew aboard Callisto.
XavsterGaming
Rated 4.0 out of 5 stars
(13 total ratings)
Visual Novel
Alien Breeding Program: First Contact
$9.99
HappyDaedalus
Rated 3.9 out of 5 stars
(20 total ratings)
Visual Novel
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