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. 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.
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DG2: Defense Grid 2
Setting the bar as the definitive tower defense game, Defense Grid 2 introduces new worlds and threats to test your tower placement strategies. With a bold new look and the addition of new game modes, player-versus-player and multiplayer co-op, every play brings fun new opportunities and challenges.
Beyond Gravity
Beyond Gravity is procedurally generated "platformer" where you jump in-between planets and try to collect as many pickups as you can. This gets progressively harder the further you jump. No need to worry tho as you can upgrade your character with loads of upgrades and power-ups!
Wasteland 2: Director's Cut
From the producer of the original Fallout comes Wasteland 2. With over 80 hours of gameplay, deck out your Ranger squad with devastating weaponry, test the limits of your strategy skills, and bring justice to the Wasteland! The choices are yours…but so are the consequences.
ENDLESS™ Legend
ENDLESS™ Legend is a 4X turn-based fantasy strategy game by the creators of ENDLESS™ Space and Dungeon of the ENDLESS™. Control every aspect of your civilization as you struggle to save your homeworld Auriga. Create your own Legend!
Shadowrun: Dragonfall - Director's Cut
Harebrained Schemes' biggest Shadowrun game to date, and the definitive Shadowrun RPG experience available on PC. Now a standalone title with tons of new content & improvements!
J.U.L.I.A.: Among the Stars
J.U.L.I.A.: Among the Stars is an innovative narrative driven adventure game. The story centers on Rachel Manners, a 35 year old astrobiologist. She is a member of an elite group of scientists, chosen to embark on one of the most critical missions ever conceived on Earth. Now Rachel is alone, orbiting an unknown planet.
Rising Angels: Reborn
Despite determination and skill, Natalie Puccile, a Special Investigations and Tactics officer, has spent her career watching over a listening post in the middle of deep space. After the orders that she has always dreamed of arrive, she finds herself in charge of a small destroyer and tasked with discovering the fate of a missing...
Infinity Wars: Animated Trading Card Game
The critically acclaimed digital card game. Outplay your opponent with simultaneous turns and unique combat zone movement. Use all 1000+ cards in online PvP with zero payment or grinding. Build a deck helmed by 3 commanders across 8 factions, combining the unique strengths of each.
Metro: Last Light Redux
It is the year 2034. Beneath the ruins of post-apocalyptic Moscow, in the tunnels of the Metro, the remnants of mankind are besieged by deadly threats from outside – and within. Mutants stalk the catacombs beneath the desolate surface, and hunt amidst the poisoned skies above.
Orbital Gear
Orbital Gear is a fast paced sidescroller shooter where you utilize the gravitation of celestial objects to give you momentum through space. Arm your Mech with two of the twelve different weapons and destroy your enemies.
Epigenesis
Epigenesis is an online multiplayer sports/FPS game in which two sides are locked in a never-ending fight for world domination by playing ball.In this non-lethal ballgame of the future, players leap across platforms suspended high up in the air trying to get a ball located in the middle of the arena and score goals against their...
Gods Will Be Watching
Gods Will Be Watching is a minimalistic “point and click thriller” centered on despair, commitment, and sacrifice as players face intriguing puzzles and tough decisions that will affect their entire crew’s wellbeing.
Black Ice
Hack greedy megacorps to help as many people as you can in a high-agility cyberpunk looter/shooter RPG. Explore neon cyberspace vistas and outmaneuver AIs to customize your hacker OS and weapon combos. Think Borderlands meets Tron. Play solo or online co-op with up to 10 people!
Sunrider: Mask of Arcadius
As Captain Kayto Shields, embark on a galactic voyage of heroism and survival. With his home world destroyed and his nation conquered, the inexperienced Captain Shields, and his newly minted vessel, the Sunrider, are left as the only hope against a galactic evil intent on subjugating all sentient life.
Deponia: The Complete Journey
Junk, junk and even more junk. Life on the trash-planet Deponia is anything but a walk in the park. No surprise that Rufus had enough of that and hatches one ludicrous plan after the other to escape this bleak place.
Aeon Command
Aeon Command is a tug of war strategy game, where you play as one of three unique factions to help gain dominance over the Aeon Nebula! Take control of your mother ship to gather resources, produce ships and fight off the enemy mother ship. Grow stronger as you progress through the 24 mission campaign and unlock new upgrades.
Shattered Planet
Explore a dangerous planet that's different every time and try to survive! The Galactic Union's job for you is clear: research the alien wildlife -- for science! However, in this case, researching may include lasers, explosions, hungry aliens, space sushi, and other similarly delicious-or-terrifying hazards.
WORLD END ECONOMiCA episode.01
From the author of Spice and Wolf, Isuna Hasekura, comes WORLD END ECONOMiCA. This is the first episode out of three part sci-fi/economic thriller visual novel set on the moon.
Xenonauts
Xenonauts is a strategy game in which you control a multi-national military organisation defending a Cold War-era Earth from alien invasion, using small squads of persistent soldiers to eliminate the extraterrestrials and recover their technology in turn-based ground combat.
Space Run
Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space!