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
Red Matter 2
Red Matter 2 is an immersive, puzzle-adventure game that will transport you to the far reaches of space. Step into the shoes of Sasha, an agent awakened in a lunar base by an undercover operative and tasked with uncovering the secrets of the mysterious Red Matter.
natsuno-kanata - beyond the summer
── In the summer of the world that has ended, the girl travels aimlessly. "natsuno-kanata - beyond the summer" is a text adventure game that depicts girls traveling in apocalypse. Through talking to the girls, we get to know them and approach the mysteries of the world ──
Axiom Verge 2
Explore a sprawling, alien world in the sequel to the award winning Axiom Verge.
SCP: Daybreak
An open-ended, SCP-based, atmospheric, exploration-focused, survival-horror game with puzzle elements and replayability.
Ctrl Alt Ego
Innovative genre mashup (first-person immersive sim puzzler FPS RPG) with emphasis on problem-solving and creativity. Unique vibes and original mechanics that you won't have experienced before. One of the best games of 2022 according to various credible sources!
The Final Earth 2
The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?
Growing My Grandpa!
Growing My Grandpa! is a Cronenberg-inspired point-and-click adventure game with virtual pet elements that puts a heavy emphasis on exploration and lore.
Alien Removal Division
The invasion has started and the secret military research facility has fallen leaving only chaos. As the only survivor, you must fight your way through the military base against a horde of frantic aliens. A.R.D. is a FREE single-player first-person shooter made by students from Breda University.
Mech Armada
Create and command custom Mechs to outmaneuver The Swarm in this post-apocalyptic tactical turn-based rogue-lite. Leverage the terrain, learn each Mech's unique skills and use strategy and resources to survive an ever-changing series of battles to give humanity hope.
The Hand of Merlin
The Hand of Merlin is a turn-based rogue-lite RPG in which Arthurian legend meets with sci-fi horror. Recruit mortal heroes to explore lands rife with otherworldly evil, make narrative bending choices in unique interactive encounters, and search for the lost fragments of your soul across the multiverse!
Spacelines from the Far Out
Run your own 60s-inspired space-age alien airlines in this randomly-generated chaotic 1-to-4-player local and online co-op game!
Meteor World Actor: Badge & Dagger
Superpowered detective noir. Maverick detective Ruka Hiryu pursues criminals by day—and ices perps by night...
Run Build Pew!
You’re being Bounty-Hunted! Run, Build your ship piece-by-piece and make it work with the parts you find, Destroy outposts and waves of fleets, and Pick your battles carefully to overcome your hunters in this Fast-Paced Top-Down Action Roguelite Shooter.
The Last Clockwinder
A VR puzzle-automation game. Create intricate clockwork contraptions out of your own clones and restore life to an ancient tree using automation, a collection of rare plants from across the galaxy and a team of clockwork gardeners.
Flight Of Nova
Flight of Nova is a simulator based on newtonian mechanics in which you control spacecraft in the Noren star system. You fly multiple types of spacecraft doing transport and search missions in an environment with realistic aerodynamics and orbital physics.
Fly Dangerous
Extremely high skill-ceiling 6dof flight racing in a variety of environments with leaderboards, multiplayer and VR support
Prosperous Universe
In Prosperous Universe start your galactic empire by trading on the real-time market exchange with other real players. Build your 1st base from humble beginnings & watch as your business flourishes with complex supply chain strategies. Economics, politics & realism fuel this immersive business MMO.