Hidden Sci-fi Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated sci-fi games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Sci-fi games on Steam.
Filters & Lists
Imagine Earth
Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade. Form economic and diplomatic alliances or take over competing corporations. Conduct research to protect your colonists from disasters and avoid a climate crisis.
cyberpunkdreams
2090s America, torn apart by war and corporate greed. A lone traveller stands outside the gates of Cincinnati, greatest of the border cities. How far will you go to make it to the top? How far will you go to fulfil your mission?
R-Type Final 2
R-Type has returned! The legendary side-scroller is back and better than ever with beautifully rendered 3D graphics, exhilarating shoot-'em-up gameplay, and a multitude of stages, ships, and weapons that will allow you to conduct a symphony of destruction upon your foes.
Cognition Method: Initiation
Free demo for Cognition Method - a story-driven, first-person puzzle game inspired by Space Odyssey 2001 and Solaris. Discover an innovative mechanics of altering gravity and dive into the surreal setting. Find your way within a mysterious artifact and unveal a non-ordinary story.
CARNAL
CARNAL is a fast and challenging retro FPS straight from the mid '90s. The Sons of Anak are opening portals to extract Dark Matter from the "other side". Combat the possessed soldiers, the manifested demons helping them, and any inanimate objects standing in your way!
Cosmodread
Cosmodread is a VR survival horror roguelike about escaping a dying spaceship filled with nightmares. Stranded in a hostile universe, you must explore, survive, and find your way back to the safety of Earth.
Doctor Who: The Lonely Assassins
Uncover the dark secrets of Wester Drumlins and confront a new evil in a thrilling found-phone mystery from the award-winning creators of Sara Is Missing and SIMULACRA.
Tiny Room Stories: Town Mystery
Everybody are missing in a town. Find the answers of town mystery in a point and click adventure game with escape the room mechanics
ALTDEUS: Beyond Chronos
A sci-fi adventure full of robot battles, pop music, and emotion. Featuring one of the largest branching storylines ever in a VR game with 15-20 hours of gameplay, Altdeus will place you in the shoes of Chloe, a pilot in humanity's forces fighting massive hostile organisms known as the Meteora.
Warhammer 40,000: Dakka Squadron - Flyboyz Edition
Warhammer 40,000: Dakka Squadron - Flyboyz Edition. Blazing, Ork aerial combat waged across 41st millennium battlefields. Dakka Squadron is a fast-paced, aerial shooter where you are an Ork Flyboy, taking to the skies to do what Orks do best - fight!
I'a I'a Cofflhu Fhtagnyaa
"I'a'Ia Cofflhu Fhtagnyaa" is a Galgame with Cthulhu mythology, with three female (xie) masters (shen) who can be attacked, 8-10 hours of game time. Working in a coffee shop, I accidentally discovered the indescribable secret of this shop...
Understanding, The Game
'Understanding, the game' it's a suspense/investigation horror indie game inspired in classic horror games! Full Game coming as soon we can! Help us grow the game!
SPACERIFT: Arcanum System
At the sunset of human life on planet Earth, you are a military pilot controlling a space ship, and you find yourself at the very epicenter of the battle in the solar system. You are forced to retreat into the unknown, distant Arcanum system through hyper-jumping.
HIVESWAP: ACT 2
Continue Joey and Xefros’s adventure through the dark and dangerous planet Alternia. Meet dozens of unique and memorable characters, some more helpful than others, as you navigate this volatile alien culture. Hurry up! There’s a train to catch.
Rover Mechanic Simulator
As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.
Quantum Protocol
A deckbuilding card game where it's always your turn. Play as the master hackers of Quantum and take on the most dangerous malware in the world. Every action matters. Make plays, upgrade your deck, and break the enemy board!
Pacer
PACER is high-octane anti-gravity racing at its most destructive. Customise your craft and weapons then engage in the campaign, a single-player race or compete against your rivals in explosive online multiplayer for the ultimate combat racing experience.
Perilous Warp
Perilous Warp is a fast-paced indie retro-shooter inspired by the classic 3D-actions. Communication with a distant space colony has been lost, and you bravely step into the teleporter with the desire for glorious adventures. But do not expect to win in a heartbeat!
G String
Slip into the Standard Issue Biosuit as Myo Hyori, a gifted Korean teenage girl who must face the perils of the future. Survive many hazards, explore a seemingly endless metropolis and beyond as the world around you implodes and history marches towards its inevitable conclusion.
Palindrome Syndrome: Escape Room
You wake up in a spaceship with no memories. In this escape room with a sci-fi setting you will have to investigate your past solving different puzzles. Will you be able to discover what happened to you and how did you get there?
SPACE / MECH / PILOT
The S/M/P Initiative is not responsible for any odd abnormalities while playing. Connections to other universes are not monitored or controlled by the video game program. Keep away from children under the age of 6. Fun to play but not to eat.
ROBOTICS;NOTES ELITE
Thanks to the rising popularity of the PhoneDroid—a device which features augmented reality (A.R.)—the age of advanced technology has finally reached Tanegashima. On that island, Central Tanegashima High's "Robot Research Club" is about to have their club disbanded.