Best Sci-fi Steam Games on Sale

Unlike generic lists, our 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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XCOM® 2 XCOM 2 is the sequel to XCOM: Enemy Unknown, the 2012 award-winning strategy game of the year. Earth has changed and is now under alien rule. Facing impossible odds you must rebuild XCOM, and ignite a global resistance to reclaim our world and save humanity.

Price -99% 0.80€
Rating 8.4
Release 04 Feb 2016
Fortified Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.

Price -97% 0.48€
Rating 7.2
Release 03 Feb 2016
Bit Blaster XL Bit Blaster XL is a fast-paced, retro arcade shoot 'em up (shmup) inspired by the classic quarter-munchers of the ‘80s. Easy to pick up, hard to put down, boost, dodge, shoot, and chase high scores in this addictive, old-school action game!

Price -44% 0.56€
Rating 9.3
Release 22 Jan 2016
Crashlands Fight and tame alien beasts, craft resources into menacing weaponry, befriend the outlandish locals, and go toe-to-chin with a world-domineering maniac.

Price -96% 0.70€
Rating 8.7
Release 21 Jan 2016
Subterrain Uncompromising Sci-Fi survival on Mars! Manage the entire colony single-handed! Craft, Research, Explore and Fight against evolving mutants. Vast open world and randomly generated levels to explore! Can you survive long enough to escape the horror?

Price -96% 0.70€
Rating 7.3
Release 21 Jan 2016
Starward Rogue Starward Rogue is a bullet hell twin-stick shooter. Blast your way through the Megalith, a rogue-lite labyrinth lodged in the side of a star. Customize your mech with a huge variety of weapons, perks, and upgrades. Steel yourself for the dangers that lurk in the depths of the dungeon.

Price -91% 1.15€
Rating 8.4
Release 20 Jan 2016
Homeworld: Deserts of Kharak A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive.

Price -98% 1.09€
Rating 7.8
Release 20 Jan 2016
The Deadly Tower of Monsters Fire up your ray guns, crystal swords, and laser whips, and get ready for thrills and chills! With three incredible movie stars playing out decidedly B-level sci-fi exploits, Dick Starspeed, Scarlet Nova, and Robot will have you ready to jump off the side of the tower—right into adventure!

Price -94% 0.93€
Rating 8.5
Release 19 Jan 2016
The Bug Butcher A fast paced action shooter inspired by the arcade classic Super Pang! Use a wide selection of weapons and powerups to tear through increasingly challenging levels.

Price -59% 3.33€
Rating 8.6
Release 19 Jan 2016
Tharsis Succeeding in Tharsis requires you to make the best of what you have, even if it happens to be a pair of snake eyes. Certain factors may be outside of your control, but that doesn’t mean they can’t be overcome. Tharsis is not a game about facing the odds. It’s a game about changing them.

Price -93% 1.07€
Rating 6.8
Release 11 Jan 2016
Space Pilgrim Episode II: Epsilon Indi One year after the events of Episode I, Captain Pilgrim is once again carrying a shipload of passengers between star systems. This time her guests include a mysterious priestess, a wayward youth and a robotics genius.

Price -90% 0.20€
Rating 8.2
Release 08 Jan 2016
Sora From Orange Juice comes a shoot'em'up starring the lone enhanced human, Sora. The sequel of the high-speed shoot'em'up "Suguri", with improved game system and graphics.

Price -61% 3.44€
Rating 8.6
Release 05 Jan 2016
UnderRail UnderRail is an old-school turn-based isometric role-playing game that features a large open post-apocalyptic world, deep and challenging combat and an intricate storyline.

Price -68% 4.75€
Rating 8.5
Release 18 Dec 2015
Turok A world where time has no meaning - and evil knows no bounds. Torn from a world long gone, the time traveling warrior Turok has found himself thrust into a savage land torn by conflict.

Price -97% 0.79€
Rating 9.0
Release 17 Dec 2015
City of Chains City of Chains is a dark sci-fi RPG set in a dystopian city. Take control of a small group of escaped fugitives and lead them to their freedom. Decide whether to fight head on or to avoid combat, to help others or to go your own way, to show mercy or to kill. Your actions could affect the fate of the city.

Price -96% 0.43€
Rating 6.9
Release 08 Dec 2015
HELLDIVERS™ Dive Harder Edition HELLDIVERS™ is a hardcore, cooperative, twin stick shooter. As part of the elite unit called the HELLDIVERS, players must work together to protect SUPER EARTH and defeat the enemies of mankind in an intense intergalactic war.

Price -97% 0.66€
Rating 8.9
Release 07 Dec 2015
DARIUSBURST Chronicle Saviours DARIUSBURST Chronicle Saviours is the latest installment in Taito's DARIUS series of arcade-style shooting games. Blast hordes of alien sea-monsters, and blaze your own trail through branching environments.

Price -64% 17.74€
Rating 7.8
Release 03 Dec 2015
Fallout 4 From Bethesda Game Studios, the award-winning creators of Starfield and The Elder Scrolls V: Skyrim, comes Fallout 4. A landmark in open-world RPG design and winner of over 200 ‘Best Of’ honors, including the DICE and BAFTA Game of the Year.

Price -76% 4.96€
Rating 8.2
Release 09 Nov 2015
FortressCraft Evolved! FortressCraft Evolved is a unique blend of Voxel Landscapes, Tower Defense, Crafting, Logistics, Exploration, Combat and Assembly lines. Players begin by crash-landing on a strange alien world, left with only a small handful of starting machines.

Price -66% 4.49€
Rating 7.0
Release 09 Nov 2015
Fallout: A Post Nuclear Role Playing Game You've just unearthed the classic post-apocalyptic role-playing game that revitalized the entire CRPG genre. The Fallout® SPECIAL system allows drastically different types of characters, meaningful decisions and development that puts you in complete control. Explore the devastated ruins of a golden age civilization.

Price -91% 0.93€
Rating 9.2
Release 01 Nov 2015
Viscera Cleanup Detail In Viscera Cleanup Detail, you step into the boots of a space-station janitor tasked with cleaning up after various horrific sci-fi horror events. Instead of machineguns and plasma-rifles, your tools are a mop and bucket. That hero left a mess, and it's up to you to deal with the aftermath.

Price -62% 4.94€
Rating 9.1
Release 23 Oct 2015
System Shock: Enhanced Edition Re-discover what made System Shock the first of it's kind, a ground breaking immersive sim that would inspire a generation of games to come....

Price -93% 0.73€
Rating 8.6
Release 22 Oct 2015
Rebel Galaxy Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.

Price -98% 0.46€
Rating 8.3
Release 20 Oct 2015
Planetbase Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.

Price -63% 5.60€
Rating 7.8
Release 15 Oct 2015
2064: Read Only Memories 2064: Read Only Memories is a cyberpunk point-and-click adventure set in Neo-San Francisco. Team up with Turing, the world's first sapient machine, to unravel a conspiracy that threatens to shake an entire society

Price -90% 0.90€
Rating 7.6
Release 06 Oct 2015
Ninja Pizza Girl Ninja Pizza Girl is a serious game about bullying, emotional resilience – and pizza delivering ninjas! It’s a fast, flow-based game about Gemma, a sixteen-year-old girl trying to keep her dreams alive in face of the most merciless enemies known to any teenage girl – other teenagers.

Price -94% 0.43€
Rating 7.5
Release 30 Sep 2015
Assault Android Cactus+ Assault Android Cactus is an intense arcade style twin stick shooter - pick from one of nine unique synthetic heroines and blast your way through overwhelming robots hordes to save the ship from its own workforce. Supports single player and local co-op game modes.

Price -83% 3.00€
Rating 9.0
Release 23 Sep 2015
SOMA From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.

Price -66% 10.09€
Rating 9.4
Release 21 Sep 2015
METAL GEAR SOLID V: THE PHANTOM PAIN Ushering in a new era for the METAL GEAR franchise with cutting-edge technology powered by the Fox Engine, METAL GEAR SOLID V: The Phantom Pain, will provide players a first-rate gaming experience as they are offered tactical freedom to carry out open-world missions.

Price -54% 13.86€
Rating 9.0
Release 01 Sep 2015
STASIS STASIS The isometric, point-and-click, sci-fi horror adventure game! In the distant future aboard a seemingly abandoned spacecraft, John Maracheck awakes from stasis. He must push himself to new physical and emotional limits and unravel the mysteries around him.

Price -76% 1.88€
Rating 7.9
Release 31 Aug 2015
Satellite Reign Satellite Reign is a real-time, class-based strategy game, set in an open-world cyberpunk city. You command a group of 4 agents through rain-soaked, neon-lit streets, where the law is the will of mega-corporations.

Price -92% 2.00€
Rating 7.0
Release 27 Aug 2015
Mega Man Legacy Collection Mega Man Legacy Collection is a celebration of the 8-bit history of Capcom’s iconic Blue Bomber featuring faithful reproductions of the series’ origins with the original six Mega Man games.

Price -90% 1.58€
Rating 8.3
Release 24 Aug 2015
Planet of the Eyes An atmospheric narrative-platformer about a service robot stranded on a mysterious planet, Planet of the Eyes features a stunning visual mix of puzzle and platforming challenges, an original musical score, and fully voiced audio logs left by another survivor. Explore the mystery of an unknown world.

Price -93% 0.76€
Rating 7.9
Release 24 Aug 2015
Universe Sandbox Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.

Price -65% 10.21€
Rating 9.4
Release 24 Aug 2015
Shadowrun: Hong Kong - Extended Edition Shadowrun: Hong Kong - Extended Edition is the capstone title in Harebrained Schemes' Shadowrun series - and now includes the all-new, 6+ hr Shadows of Hong Kong Bonus Campaign. Experience the most impressive Shadowrun RPG yet, hailed as one of the best cRPG / strategy games of 2015!

Price -92% 1.66€
Rating 8.4
Release 20 Aug 2015
RymdResa A relaxed roguelike space odyssey in a procedurally generated universe! Travel through a lonely and mysterious cosmos. Customize your ship, explore and survive!

Price -83% 2.07€
Rating 7.0
Release 20 Aug 2015

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