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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Don't Escape: 4 Days to Survive
Survive through four days at the end of the world in this post-apocalyptic point-and-click thriller where your choices could keep you alive... or not.
1 Screen Platformer
This is a SHORT, 2D PLATFORMER with TIGHT CONTROLS about exploring a single level to get past a bunch of TRAPS. There is an EASY mode and a HARD mode depending on your skill level.
ToeJam & Earl: Back in the Groove!
ToeJam & Earl: Back in the Groove! is a mash-up of the very best features of the classic console games with a ton of fresh improvements! Explore Earth as funky aliens from planet Funkotron trying to find your missing ship pieces to get back home in this casual co-op roguelike.
Space Engineers
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
Pacify
An online co-op horror game where you pacify, weaken and capture supernatural creatures for PAH Inc. Each level has a different story, unique monsters, and multiple endings. Play single player or together with up to 6 friends. Includes proximity voice chat with fun effects.
ASTRONEER
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
Spinnortality | cyberpunk management sim
Found a company, spread fake news, start riots and become immortal. In this cyberpunk management sim, wealth is power and corporations are king. Can you monopolize the globe and build a corporate empire that will stand forever?
ACE COMBAT™ 7: SKIES UNKNOWN
Become an ace pilot and soar through photorealistic skies with full 360 degree movement; down enemy aircraft and experience the thrill of engaging in realistic sorties! Aerial combat has never looked or felt better!
Battlefleet Gothic: Armada 2
Battlefleet Gothic: Armada 2 is the new real-time strategy game adapted from Games Workshop’s famous tabletop game that portrays the epic space battles of the Warhammer 40,000 universe.
![The Eternal Castle [REMASTERED]](https://shared.cloudflare.steamstatic.com/store_item_assets/steam/apps/963450/header.jpg)
The Eternal Castle [REMASTERED]
The Eternal Castle [REMASTERED] is a remake of the original "ETERNAL CASTLE" from 1987, with additional game mechanics, sophisticated sound design, polished 2-bit CGA animated graphics, and modernized game design.
Warhammer 40,000: Mechanicus
MECHANICUS II ANNOUNCED! Take control of one of the most technologically advanced factions in the Imperium: the Adeptus Mechanicus. In this turn-based tactical game, your every decision will weigh heavily on the outcome of the conflict. Will you be blessed by the Omnissiah?
Red Matter
Red Matter is a story-driven VR puzzle adventure game set during a dystopian sci-fi Cold War. Take on the role of Agent Epsilon, an astronaut of the Atlantic Union dispatched to an abandoned Volgravian moon base on a faraway planet. Your mission: to investigate a shady top secret research project.
GRIP: Combat Racing
Harness gravity-defying speed in classic combat racing taken to the EXTREME. Master wall-riding, ceiling-surfing tracks, and unleash devastating weapons across 29 blistering circuits. Race solo, split-screen, or online with up to 10 players. GRIP delivers white-knuckle racing like nothing else.
Terraforming Mars
The taming of the Red Planet has begun! Corporations are competing to transform Mars into a habitable planet by spending vast resources and using innovative technology to raise temperature, create a breathable atmosphere, and make oceans of water.
Mega Man 11
Mega Man is back! The newest entry in this iconic series blends classic, challenging 2D platforming action with a fresh new visual style. The new Double Gear system boosts Mega Man's speed and power for a new twist to the satisfying gameplay the series is known for.
I am not a Monster: First Contact
Retro sci-fi tactical turn-based strategy with an exciting storyline. The Albatross space liner is overrun by lizard-like monsters that can infect humans and turn them into their own kind. Save the passengers and defeat the hostile creatures.
Deep Sky Derelicts
Deep Sky Derelicts is an original combination of turn-based strategy and RPG, enriched with tactical card combat and popular roguelike elements. Explore derelict alien ships, fight, loot and upgrade your gear, all in distinctive retro-futuristic comic book aesthetic style.
Timespinner
Travel back in time to change fate itself, in this beautifully crafted story-driven adventure, inspired by classic 90s action-platformers. Join timekeeper Lunais on her quest for revenge against the empire that killed her family, using time-bending powers to explore a vast, connected world.
Myst III: Exile
The story of Myst continues in this third entry of the series, originally released in 2001. Return to this strange and wondrous universe, where books become portals into worlds, and where the lessons of the past may yet hold meaning for today...
Star Control®: Origins
Star Control is a space role-playing game in which you command Earth's first interstellar starship on a mission to save the Earth from hostile alien empires.
60 Parsecs!
60 Parsecs! is an Atomic Space Age adventure of scavenge and survival. Keep your crew alive and ready for action. Make difficult choices, face soup shortages and other horrors of outer space. And maybe reach your destination. Or not.
ReCore: Definitive Edition
From creator Keiji Inafune and the makers of Metroid Prime comes the ReCore: Definitive Edition, an action-adventure crafted for a new generation. As one of the last humans, forge friendships with robotic companions and lead them on an epic adventure through a dynamic world.
Scythe: Digital Edition
Scythe transports you to an alternate reality in 1920s Europa, one ravaged by the First World War. Take up the role of leader by assuming command of one of 5 factions, and set out to conquer the coveted "Factory". Lead your mechs to war and your people to victory!
PLANET ALPHA
PLANET ALPHA, a beautiful alien world filled with mystery and danger. Pursued by relentless enemies, you must harness the power of night and day as you struggle to survive.
ISLAND
Sanzenkai Setsuna awakens on the shore of isolated island Urashima with no memories of his past. Befriending three local girls, Rinne, Karen, and Sara, Setsuna's quest to discover the secrets of Urashima and how they tie into his own past - and future - begins.
State of Mind
State of Mind is a futuristic thriller game delving into transhumanism. The game explores themes of separation, disjuncture and reunification, in a world that is torn between a dystopian material reality and a utopian virtual future.
Heaven Will Be Mine
HEAVEN WILL BE MINE is a visual novel about making terrible life decisions in the midst of a hot-blooded battle between giant robots. Select one of three terribly behaved girls to fight and/or make out with each other in their struggle for the fate of space.
War Tech Fighters
War Tech Fighters - the space action game that combines the spectacular action of Japanese Anime with Hollywood Blockbusters. Configure, upgrade and customize your War Tech and dive into battle to fight back the Zatronian forces and save your galaxy!
Mega Man X Legacy Collection 2
Complete the exciting Mega Man X saga with four action-packed titles! This collection showcases the evolution of the series with Mega Man X5, Mega Man X6, Mega Man X7, and Mega Man X8. Test your skills in the new X Challenge mode, which pits players against two deadly bosses at once.
Mega Man X Legacy Collection
Mega Man X Legacy Collection includes the legendary 16-bit titles and the series’ exciting foray into the 32-bit era: Mega Man X, Mega Man X2, Mega Man X3, and Mega Man X4. Test your skills in the new X Challenge mode, which pits players against two deadly bosses at once.
MOTHERGUNSHIP
MOTHERGUNSHIP is a bullet-hell FPS where you craft your own guns, fight gigantic bosses, and defeat a robotic alien armada that conquered Earth. Face off against overwhelming odds in brutal, non-stop combats where thinking on your feet is the only way to survive.