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The full catalog. Narrow it down, find your next play.

22,076games to discover

Sci-fi games

898 games found
96% positive100 reviews

Unknown forces have scattered the Robot crew of the Starship Redirection across a perilous asteroid belt! In this 3D puzzle game, play as the ship’s computer and solve challenging puzzles to rescue your Robotic colleagues.

USD 3.99
88% positive206 reviews

Tardy is a quest about fiddling with computers, terminals gadgets and other hi-tech scrap of all sorts. Deal with crazy machines, solve the mystery of the crew disappearance and help Ramto to come back home!

USD 1.04
90% positive162 reviews

"Please make me human." A visual novel about a robot longing to become "human" in a world torn apart by rampaging AI. An unforgettable summer unfolds between a boy who has nowhere to call home and a humanoid girl who dreams of marriage...

USD 19.99
81% positive3,383 reviews

From commanding the battle standing on the bridge of your flagship all the way down to tactical infantry firefights - AFF brings together all the combat you ever loved in a rich science fiction setting. Boarding, pilotable capital ships, deep weapon customization and full Bot support included!

USD 8.99
91% positive146 reviews

Imperium Galactica. The Universe is yours... if you can handle it. The fourth millennium. Mankind has colonised the galaxy. Created an Empire. Now, it is crumbling. The aliens are restless. The oppressed are building armies. And a strange invader is headed for the heart of the Empire.

USD 1.24
93% positive121 reviews

Assemble your fleets, fill your silos with nuclear warheads, conduct research, gather resources, and wage war in a vast galaxy in this unique take on 4X Strategy. Appoint Colony Supervisors to manage your colony and deploy Spy Satellites for the ultimate in skulduggery.

USD 1.05
93% positive120 reviews

A puzzle-platformer set in a dystopian world where the invention of a cloning device has messed things up, big time. Armed with a clone gun and a mighty fine mustache, the chore of saving THE WHOLE OF CIVILIZATION rests on your shoulders. Don’t blow it.

USD 11.99
82% positive900 reviews

Journey to another planet and discover its secrets in order to bring your loved one back to life. Experience an adventure, inspired by old school classics like Another World, Heart of Darkness and Flashback.

USD 1.04
90% positive156 reviews

BLAST YOUR WAY through the UK's forgotten favourite space adventure: Space Quest 2099!Enjoy combat and movement based on the designs of the Quake 3 engine. Go alone or team up and shoot baddies in cooperative episodes with FULL MOTION VIDEO with SPECIAL EFFECTS!

Free to play
83% positive549 reviews

Terrorize the galaxy for fun and profit! Space Tyrant is a surprisingly deep beer & pretzels strategy game set in a darkly humorous future. Build a mighty space force, disintegrate peaceful aliens, and rule irresponsibly on your relentless march to total domination.

USD 3.99
82% positive861 reviews

SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.

USD 15.99