Best 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.
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Cortex Command
Choose between different factions, with their own set of expendable soldiers, mechas, and weapons. Protect your brain, mine gold, and destroy the enemy cortex in his bunker complex!
Planets Under Attack
Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.
ETHER VAPOR Remaster
Ether Vapor Remaster is a cinematic 3D arcade shooter and visual treat from developer Edelweiss.
Borderlands 2
The Ultimate Vault Hunter’s Upgrade lets you get the most out of the Borderlands 2 experience.
FTL: Faster Than Light
This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.
Intrusion 2
"This is some of the most fun I've had with a game so far this year, and it will go down as one of the best side-scrolling shooters of all time." - 9/10, Destructoid
STAR WARS™ Knights of the Old Republic™ II - The Sith Lords™
5 years after the events of the award winning original, the Sith are on the verge of crushing the Old Republic. As a lone Jedi, will you follow the light side or succumb to the dark?
Galaxy on Fire 2™ Full HD
A hyperdrive malfunction sends Keith T. Maxwell tumbling through space and time to fight for his life against a mysterious alien armada that is wreaking havoc.
Iron Brigade
Join The Mobile Trench Brigade and protect humanity from the evil Monovision menace!
Awesomenauts
Use your power, show your might! Play this Multiplayer Online Battle Arena (MOBA) game! AWESOMENAUTS combines 2D platforming with team-based strategy and hero based action. Whether you are a new recruit or an intergalactic legend, play AWESOMENAUTS!
Prototype 2
Become the ultimate shape-shifting weapon!
Resonance
When a brilliant particle physicist dies unexpectedly, the race is on to secure his terrible new technology before it falls into the wrong hands. The lives of four playable characters become entangled as they fight against the clock to find the dead scientist’s secret vault.
Hard Reset Extended Edition
Over-the-top destruction, loads of enemies & a beautifully realized cyberpunk setting. Hard Reset is here to shake up the shooter scene. Try the demo now.
ENDLESS™ Space - Definitive Edition
ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS™ Universe, where you can control every aspect of your civilization as you strive for galactic domination.
Tribes: Ascend
This edition packages weapon DLC from ten previous expansions as well new featured content.
Quantum Conundrum
Find and rescue your uncle by using his newest invention to work your way through a crazy complex mansion as you switch between dimensions and solve puzzles!
Sins of a Solar Empire®: Rebellion
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
The Dream Machine: Chapter 1 & 2
The Dream Machine is an award-winning point & click adventure game about exploring other people's dreams. It's built by hand using materials such as clay, cardboard and broccoli.
Aliens: Colonial Marines Collection
You & your friends are the deadliest killers in the galaxy – the US Colonial Marines. It’s up to you to not just survive, but wipe out the Xeno infestation.
Analogue: A Hate Story
A dark visual mystery novel featuring transhumanism, traditional marriage, loneliness, and cosplay. Two pursuable characters. Five endings. Welcome to the future.
Binary Domain
Set in futuristic Tokyo, take control of the robotic community before they control everything!
Insanely Twisted Shadow Planet
In this Insanely Twisted, 2-D action-adventure game, explore unique environments and battle bizarre creatures.
