Best Sci-fi Games on Steam

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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Lost Planet™: Extreme Condition Driven to the brink of extinction on ice-covered wastelands, humankind fights to survive. Battle to survive against gargantuan alien Akrid and treacherous Snow Pirates on the vast and frozen landscape of EDN III.

Price 14.99€
Rating 7.8
Release 29 Jun 2007
X-COM: Terror From the Deep The war continues... X-COM: UFO Defense brought you to a galactic battlefield. X-COM: Terror from the Deep brings the alien terror into a totally new dimension.Seeking to take advantage of a weakened Earth, X-COM's deep space foes unexpectedly change strategy and launch a powerful second front against planet Earth.

Price -92% 0.44€
Rating 8.6
Release 04 May 2007
The Longest Journey The Longest Journey is an amazing graphical adventure, where the player controls the protagonist, April Ryan, on her journey between parallel universes.

Price -79% 2.14€
Rating 8.6
Release 01 May 2007
Rogue Trooper Nu Earth: a poisoned planet where endless war rages between the Norts and the Southers. A futile struggle on a hostile planet with no end in sight. But there are tales of a lone warrior. A man who knows no allegiance, the Rogue Trooper!

Price -78% 2.23€
Rating 8.8
Release 29 Mar 2007
Project: Snowblind Experience the dramatic intensity of the frontlines of a war through the eyes of the first of a new breed of super soldiers in this gritty and epic first-person action game. An augmented super-soldier must stop a renegade regime from eradicating the civilized world. Hong Kong, 2065. 2nd Lt.

Price -85% 0.89€
Rating 7.2
Release 29 Mar 2007
Deus Ex: Game of the Year Edition The year is 2052 and the world is a dangerous and chaotic place. Terrorists operate openly - killing thousands; drugs, disease and pollution kill even more. The world's economies are close to collapse and the gap between the insanely wealthy and the desperately poor grows ever wider.

Price -38% 4.38€
Rating 9.2
Release 29 Mar 2007
S.T.A.L.K.E.R.: Shadow of Chernobyl S.T.A.L.K.E.R.: Shadow of Chernobyl tells a story about survival in the Zone – a very dangerous place, where you fear not only the radiation, anomalies and deadly creatures, but other S.T.A.L.K.E.R.s, who have their own goals and wishes.

Price -48% 10.46€
Rating 9.3
Release 20 Mar 2007
Dreamfall: The Longest Journey Dreamfall: The Longest Journey, winner of multiple E3 awards as the best game in its genre, is the continuation of a saga that began in the award-winning The Longest Journey, considered to be one of the finest adventure games ever made.

Price -71% 5.89€
Rating 8.0
Release 12 Jan 2007
Space Empires V Space Empires V is the latest edition in the Space Empires series. This new chapter completely updates the UI and takes the player into a real-time rendered 3D universe. Watch space battles played out in glorious detail and realistic effects. Expand, Explore, Exploit, and Exterminate in a huge living breathing galaxy.

Price -98% 0.43€
Rating 6.9
Release 16 Oct 2006
Advent Rising A common legend pervades the galaxy-that of a powerful, highly intelligent ancient race that will one day deliver the universe. They are known as Humans. The Advent of Humanity Begins...

Price -81% 1.98€
Rating 7.4
Release 14 Sep 2006
Uplink Uplink lets you play as a freelance hacker tackling risky contracts for corporations. Break into systems, steal data, sabotage rivals, and upgrade your gear. Support factions or go rogue in this immersive, strategy-driven hacking simulation game where your choices shape the outcome.

Price -92% 1.04€
Rating 8.7
Release 23 Aug 2006
X3: Reunion X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue.

Price -95% 0.55€
Rating 6.9
Release 21 Jul 2006
X2: The Threat X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.

Price -76% 1.21€
Rating 7.8
Release 21 Jul 2006
SiN Episodes: Emergence You are John Blade, commander of HardCorps, an elite security force dedicated to protecting the people of Freeport City. Four years have passed since your first battle with Elexis Sinclaire, a beautiful, brilliant, and ruthless scientist who is out to remake humanity according to her own twisted vision.

Price 8.19€
Rating 8.5
Release 10 May 2006
Shadowgrounds Shadowgrounds breathes fresh air into the action genre with explosive combat sequences, an innovative weapon upgrade system, and an intriguing storyline. The adrenaline-pumping, top-down gameplay and audiovisual fireworks set the scene for this new action experience which also includes single computer (split keyboard or joystick) co-op...

Price -91% 0.46€
Rating 7.8
Release 08 May 2006
Half-Life Deathmatch: Source Half-Life Deathmatch: Source is a recreation of the first multiplayer game set in the Half-Life universe. Features all the classic weapons and most-played maps, now running on the Source engine.

Price 9.75€
Rating 7.3
Release 01 May 2006
Earth 2160 After the destruction of the EARTH in 2150, the leaders of the Eurasian Dynasty escaped on board an evacuation fleet. Now they are fighting for the survival of the human species. Their base is one large building comprising of smaller variable parts.

Price -96% 0.44€
Rating 6.8
Release 01 Apr 2006
Darwinia Darwinia blends real-time strategy, action, and puzzles with a unique gesture-based control system. Save the Darwinians, battle viruses, and restore order in a retro-inspired digital world. Winner of multiple prestigious  awards, including the Seumas McNally Grand Prize at IGF 2006.

Price -88% 1.49€
Rating 7.6
Release 01 Dec 2005
Half-Life 2 Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.

Price 9.75€
Rating 9.7
Release 16 Nov 2004
Half-Life: Source Winner of over 50 Game of the Year awards, Half-Life set new standards for action games when it was released in 1998. Half-Life: Source is a digitally remastered version of the critically acclaimed and best selling PC game, enhanced via Source technology to include physics simulation, enhanced effects, and more.

Price 9.75€
Rating 6.8
Release 01 Jun 2004
Half-Life: Blue Shift Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in which you play as Barney Calhoun, the security guard sidekick who helped Gordon out of so many sticky situations.

Price 4.99€
Rating 9.0
Release 01 Jun 2001
Deathmatch Classic Enjoy fast-paced multiplayer gaming with Deathmatch Classic (a.k.a. DMC). Valve's tribute to the work of id software, DMC invites players to grab their rocket launchers and put their reflexes to the test in a collection of futuristic settings.

Price 4.99€
Rating 8.0
Release 01 Jun 2001
Ricochet A futuristic action game that challenges your agility as well as your aim, Ricochet features one-on-one and team matches played in a variety of futuristic battle arenas.

Price 4.99€
Rating 8.0
Release 01 Nov 2000
Half-Life: Opposing Force Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry. Named 'Game of the Year' by the Academy of Interactive Arts and Sciences.

Price 4.99€
Rating 9.3
Release 01 Nov 1999
Half-Life Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.

Price 8.19€
Rating 9.5
Release 19 Nov 1998
Jurassic Park: The Game Experience a brand new adventure set during the events of the first Jurassic Park movie and see new areas and dinosaurs in this landmark adventure 65 million years in the making!

Price 57.32€
Rating 6.7
Release
Warhammer 40,000: Dawn of War II: Retribution Command any of the six unique factions in the next standalone expansion of the critically acclaimed Dawn of War real-time strategy franchise. Choose to build a massive army or lead a small squad of elite heroes into battle and experience a single player campaign customized to your favorite race.

Price 7.17€
Rating 8.8
Release
Saira Saira is a puzzle platformer with non-linear gameplay and a whole universe for you to explore. The game is heavily influenced by classic puzzle adventure games and uses a new unique graphical style combining high resolution photography into a lush and mysterious world.

Price Free to play
Rating 7.5
Release
FINAL FANTASY VII The RPG classic FINAL FANTASY VII returns to PC, now with brand new online features!

Price -57% 5.59€
Rating 9.1
Release

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