Discounted 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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The Fall
Take the role of ARID, the artificial intelligence within a high-tech combat suit. The Fall is a unique combination of adventure-game puzzle solving and side-scroller action, all set within a dark and atmospheric story. Get ready for a disturbing journey as you explore the world of The Fall.
Anomaly Defenders
Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat.
A Story About My Uncle
A Story About My Uncle is a first person platforming adventure game about a boy who searches for his lost uncle, and ends up in a world he couldn’t imagine existed. The movement is a crucial part of the games core gameplay – focusing on swinging through the world with a grappling hook that gives the player a wonderful sense of speed and...
Distant Worlds: Universe
Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.
A.I.M.2 Clan Wars
A.I.M. 2 is the sequel to the epic science fiction first-person action RPG developed by SkyRiver Studios. Its compelling story and unique look lift off exactly where the original ended. New clans led by Mechminds of the Fifth Generation are powerful and well-organized formations with far-reaching plans.
Q.U.B.E: Director's Cut
Q.U.B.E: Director's Cut is the definitive version of the brain-twisting first-person puzzler. Using special high-tech gloves to manipulate cubes in the environment, the player solves an array of conundrums - from physics-based challenges; to 3D jigsaws; to platform-based trials.
Wolfenstein: The New Order
Wolfenstein®: The New Order reignites the series that created the first-person shooter genre. Wolfenstein offers a deep game narrative packed with action, adventure and first-person combat.
Tesla Effect: A Tex Murphy Adventure
Tex Murphy is the last of the hard-boiled gumshoe detectives living in dystopian post-World War III San Francisco in the 2050s. Tex is an honest and good-natured private investigator with a penchant for bourbon, cigarettes and getting himself into trouble.
Blade Symphony
Prove you are the world's greatest swordsman! Engage in tactical 1 vs. 1 sword fighting, 2 vs. 2, or sandbox FFA, or capture Control Points in a tactical slash-em-up.
Vangers
Mind-altering sandbox game that can be described as a racing role-playing adventure game with a complicated storyline. You’ll find a unique atmosphere, complete freedom and lots of gameplay hours to figure out what’s the game is all about.
UFO: Aftermath
UFO: Aftermath is a 3D isometric, tactical strategy game with a rich and compelling sci fi story.
The Last Federation
From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.
Parkan 2
Parkan II is an original concept game that will allow you to feel as a pilot of a spacecraft lost somewhere in the universe. Become a pirate or mercenary, get money to buy the most powerful cruiser and show them all who is to be the new master of the galaxy. Unforgettable adventures in the Parkan II universe await you!
Beware Planet Earth
Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men!
T.E.C. 3001
Run, Rush, Haste, Burst Speed has never been pushed this far. Jump, Charge, Dodge, Slide You just slipped and got crushed! You can’t handle T.E.C 3001 yet… Try again until speed holds no secrets for you.
Scourge: Outbreak
Blast your way through Nogari Island as Echo Squad. Utilize a devastating array of weapons and special abilities to crush everything that stands in your way. Features a fully Co-op enabled Campaign for up to 4 Players, as well as a variety of 8 Player Versus multiplayer modes!
Creeper World 3: Arc Eternal
Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.
Revolution Ace
A deep, tactical shoot'em up. With every takedown, you’ll earn cash and xp to upgrade your ship and unlock new abilities. Online and local co-op. Unique versus mode. Realistic physics and water simulation.
Infested Planet
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.
GIGANTIC ARMY
Side-scrolling mech-shooting bad-assery is BACK!GIGANTIC ARMY is a heartfelt homage to 16-bit era mech shooters such as Cybernator / Assault Suits Valken, Metal Warriors, and Front Mission: Gun Hazard, developed by the studio behind the acclaimed shooter SATAZIUS.
Tower of Guns
Tower of Guns is a fast paced first-person-shooter for the twitch gamer... with a few randomized elements to keep it fresh with each playthrough. It's a short burst "Lunch Break FPS"... not unlike Binding of Isaac mixed with Doom 2. Tower of Guns was made by a guy named Joe (with his brother Mike composing the music).
Ultionus: A Tale of Petty Revenge
Ultionus is a love-letter to the home computer arcade games of the late 80s and early 90s, with colorful 2D visuals, catchy chiptune music by the legendary Jake 'Virt' Kaufman, and 7 stages of hard-as-nails gameplay.
Drunken Robot Pornography
Bullet-hell, boss-battle, first-person shooter, with giant-robots, martinis and jetpacks. YES. Drink the cocktails. Fight the titans. Make your own Titans. Drink your friend's cocktails.
Oniken: Unstoppable Edition
When a global war nearly decimated humankind, an evil military organization called Oniken takes advantage of the situation to dominate and oppress the few remaining survivors. Even though any resistance to this organization seemed hopeless, a small rebel movement organizes strikes against Oniken.