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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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.
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!
Super Motherload
Set on Mars in an alternate Cold-War era, Super Motherload is a 1 to 4-player couch co-op digging adventure with storyline by Image Comics' Kurtis Wiebe, a fully voiced cast of Soviet and American characters, and a procedurally-generated world that changes each time you play.
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.
Cloudbuilt
Rocket parkour your way through dizzying obstacles and lethal robot hazards, in this 3rd person action platformer with over 40 levels, and even more community levels.
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.
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.
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.
Drox Operative
Drox Operative is a starship action RPG with warring alien races, fierce space battles, a dynamic, evolving galaxy, and co-op multiplayer for Windows and Mac.Eons ago the Drox ruled the galaxy through their mighty Operatives. These elite starship captains were trained to accomplish the impossible at whatever cost necessary.
Jets'n'Guns Gold
Jets'n'Guns is a heavy piece of ground shaking rock blasting action with graphics and special effects that will blow you eyes out! Enjoy yourself in almost-insane action adventure of saving the universe from the deadly threat of more than 270 unique monsters in the campaign of 43 levels.
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.
Hostile Waters: Antaeus Rising
In 2032 an Earth that knows only peace is forced to relearn the art of war. Twenty years have passed since the population of Earth did a fine job of destroying nearly everything in one final struggle for power by the politicians and military leaders.
Broken Age
A family friendly, hand-animated, puzzle-filled adventure game with an all-star cast, including Elijah Wood, Jack Black and Masasa Moyo. Funded by a record breaking crowdfunding campaign and designed by industry legend Tim Schafer, Broken Age is a timeless coming-of-age story.
Original War
An American geological expedition, under a UN mandate, assesses the natural resources in a distant part of Siberia, deep in the trackless steppes of Eastern Russia. But instead of oil, they discover a deposit of a hitherto unknown mineral.
Gun Metal
Gun Metal is a futuristic action-packed experience where you take control of the fully transformable prototype combat vehicle known as the Havoc Suit.The Havoc Suit, a prototype combat vehicle, remains the only hope to save civilization from a tireless enemy.
War of the Human Tanks
War of the Human Tanks is a story driven strategy game with a gameplay reminiscent of Battleship and Chess, featuring a story of war, loyalty, sacrifice and human shaped tanks.
METAL GEAR RISING: REVENGEANCE
Developed by Kojima Productions and PlatinumGames, METAL GEAR RISING: REVENGEANCE takes the renowned METAL GEAR franchise into exciting new territory with an all-new action experience. The game seamlessly melds pure action and epic story-telling that surrounds Raiden – a child soldier transformed into a half-human, half-cyborg ninja who...
UFO: Afterlight
The story is situated on Mars. It starts where UFO: Aftermath left off and runs simultaneously with UFO: Aftershock. While the Laputans on Earth are fighting Wargots and Starghosts and finding out what caused the destruction of their home planet, a small colony on Mars is trying to survive and flourish.
Viscera Cleanup Detail: Santa's Rampage
Tragedy! Santa; the toy giving folk-hero, and purveyor of fine Christmas goods, has had enough. Endless requests from greedy children wanting more and more every year, tax increases, pressure from elf unions, bills, reindeer!
Not The Robots
You are a robot in an office building. You have to eat furniture and not get caught. A mysterious story unfolds.Not The Robots is this year’s most exciting Roguelike Stealth Furniture Eating Simulator. It’s a game with random levels, permadeath, and the goal of eating furniture - which is also your stealth cover.
SteamWorld Dig
SteamWorld Dig is an action-adventure puzzler with strong Metroidvanian influences set in the SteamWorld Universe. You’ll need to dig deep into the earth, gather resources to upgrade your tools and abilities, take on enemies, solve challenging puzzles and uncover the secrets to save a dying town.
FINAL FANTASY VIII
It is a time of war. Galbadia, a Global Superpower, has declared war on Dollet, a country whose training academy is home to two personalities: the hot-headed Seifer and the 'lone wolf', Squall Leonhart. Both are equally at conflict with each other as their country is with Galbadia; to others, Squall appears lacking in team spirit, while...