Home/Games/sci-fi

sci-fi Games

Browse free sci-fi adult games, translations, and mods on ChanomHub.

Active Filters:Tag: sci-fi
Showing 24 results
Once a Porn a Time 3
v0.5
FREE

Once a Porn a Time 3

A free NSFW visual novel / trainer game set in a sinful fairytale universe. Help Tinker Bell open her sexy new park while corrupting a kingdom of princesses on the sexiest planet in the galaxy.

by crypticdayh-game
304
Project DPS Demo
v1.3.0
FREE

Project DPS Demo

18+ NSFW Full 3D Top-Down Shooter with Adult Content

by crypticdayh-game
1.1k1
The Ares Fall
v0.13a
FREE

The Ares Fall

A psychological sci-fi NTR/NTRS visual novel set on the space station Ares. Your decisions shape every relationship, but the story never lets you forget how betrayal truly feels.

by crypticdayh-game
882
Parasite Echo
v0.0.55
FREE

Parasite Echo

A third-person survival horror game with NSFW elements.

by crypticdayh-game
462
Saintly Corruption
v0.11
FREE

Saintly Corruption

A turn-based erotic RPG set in a grimdark sci-fi universe where faith, duty, and corruption collide aboard a heretical voidship.

by crypticdayh-game
1.1k
Imperial Bureaucracy Hero
v0.3.3
FREE

Imperial Bureaucracy Hero

A dystopian Disco-inspired adult visual novel where you play as a mid-level official navigating the bureaucratic madness of a dying sci-fi empire. Exploit, endure, or succumb while resolving disputes and optionally pursuing romance.

by crypticdayh-game
523
Mayfly
vEP3
FREE

Mayfly

Beneath the streets of this city, the smell of blood and rust lingers. Portraits of the powerful hang everywhere, trying to cover up their crimes.

by crypticdayh-game
786
Swarm Bunker: Lust Defense
v1.3.1
FREE

Swarm Bunker: Lust Defense

Hold the line against endless alien swarms in this adult pixel-art tower defense shooter. Switch weapons, deploy turrets, and call artillery support to rain destruction on the enemy β€” then unlock fully animated H-scenes with your three squadmates as the ultimate reward.

by PHAPh-game
1.1k1
!Ξ© Factorial Omega: My Dystopian Robot Girlfriend
v0.97.11
FREE

!Ξ© Factorial Omega: My Dystopian Robot Girlfriend

It's a unique simulator game with many game mechanics you probably haven't seen before.

by crypticdayh-game
1.3k2
AIRevolution
v0.3.8
FREE

AIRevolution

An adult sci-fi visual novel about living with AIGirls in a near-future world where artificial intelligences have equal rights. Full of unique sexy characters, personal storylines, high-quality screens, lewd scenes, and animations.

by crypticdayh-game
776
Chrono Harem: Artifact of Syr
v0.2.1A
FREE

Chrono Harem: Artifact of Syr

One destiny, two timelines, endless harem possibilities β€” a story-rich adult dating sim with sandbox RPG mechanics, dual-timeline exploration, and fully animated NSFW scenes.

by crypticdayh-game
637
The Halo Project
v17.0
FREE

The Halo Project

Hunt down targets in an artificial dimension and break their will to build your own obedient harem in this sci-fi corruption sim.

by crypticdayh-game
802
Course to Venus!
v0.2.2
FREE

Course to Venus!

A humorous adult space adventure about a dysfunctional crew on a falling-apart ship, where every decision shapes your relationships with your chaotic companions.

by crypticdayh-game
1.6k
G-Scrap Collection
v1.0.0
FREE

G-Scrap Collection

Use your tools to clean up the star pieces scattered around your home in space β€” a VR NSFW simulation game made in two weeks for V Jam 2.

by crypticdayh-game
778
Star Spawn
v2.0h2
FREE

Star Spawn

An 18+ action platforming furry xeno-loving Metroidvania with lewd interactions with thicc aliens on Planet Zargia!

by crypticdayh-game
834
Neon City Succubus
v0.3
FREE

Neon City Succubus

An 18+ hentai cyberpunk RPG set in the dystopian Neon City β€” featuring combat, seduction, stealth, and fully animated adult scenes.

by crypticdayh-game
658
Leviathan
v0.4
FREE

Leviathan

A sci-fi adult visual novel set in 2092 where you play as a sailor navigating monster-filled oceans, assembling a crew of beauties, and uncovering the greatest treasure hunt the world has ever seen.

by crypticdayh-game
701
Life of Milking with a Maid Robot
v1.00
FREE

Life of Milking with a Maid Robot

A ball-jointed maid robot named Noah suddenly appears with one mission: to collect and preserve your genetic material for humanity's future survival. What follows is a strange yet devoted daily life of mechanical, polite, and dedicated service β€” milked every day by your very own maid robot.

by PHAPh-game
825
Course to Venus!
v0.1.0
FREE

Course to Venus!

Course to Venus! is a humorous space adventure set in the near future for an adult audience. It's a story about a journey aboard a falling-apart ship, where every crew member is a walking disaster - and the captain, of course, is the worst of them all. The game is about relationships, choices, and awkward situations.

by crypticdayh-game
1.3k1
Girls vs Aliens
v0.4.0
FREE

Girls vs Aliens

Get ready to take command into your hand and stand your ground against hordes of monsters with your fierce crew. Defend multiple locations against various factions of enemies. Use your forces in an inventive way or suffer losses. But be aware the enemy holds a dark secret. Are you ready to discover it?

by crypticdayh-game
597
Sombionic 2026 (Easter Build)
v3.11.1
FREE

Sombionic 2026 (Easter Build)

Shoot monsters and romance them during combat! In Sombionic you play as a female scientist fighting monsters and genetically engineered humans, harvesting their rare genes and organs for your own inventory.

by crypticdayh-game
480
Light-Space Love: New Horizons
vDemo
FREE

Light-Space Love: New Horizons

A sexy space exploration adventure where you play as the Captain of your own spaceship, commanding your crew through a galaxy filled with erotic and intense encounters!

by crypticdayh-game
547
Eropsychosis: The Project Elysiara [DEMO]
vDemo
FREE

Eropsychosis: The Project Elysiara [DEMO]

Hidden Truth in Deep Space: Are you the master, or the battery? In a solitary starship, your sole AI synchronization system has fallen into "Eropsychosis." Here, sex is not entertainment; it is the only currency to buy oxygen.

by crypticdayh-game
706
Astreon
v0.3.5
FREE

Astreon

A cyberpunk sci-fi adult visual novel following a former soldier drawn back into danger while searching for his missing wife amid forbidden regenerative technology and corporate conflicts.

by crypticdayh-game
526