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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Phoning Home
A tale of survival about two shipwrecked robots - ION and ANI - on their life-defining journey in this unique genre-mix of exploration, puzzle and survival.
GIGA WRECKER
Become more than human and save mankind from total annihilation! From legendary developer Game Freak comes an action adventure like no other - manipulate the world around you and smash the evil Ajeet to smithereens!
Stars in Shadow
Stars in Shadow is a turn-based 4X strategy game and a vivid tribute to the genre classics. Compete with alien factions to explore and colonize nearby starsystems, build fleets to defend against rivals, negotiate or conquer them. Win by unifying the galaxy, through diplomacy or force.
Warhammer 40,000: Sanctus Reach
Warhammer 40,000: Sanctus Reach is a 3D turn-based strategy game like you’ve never seen before: fast, immediate, deep, impressive to look at and incredibly fun! Fight through a dark era of carnage and endless war and lead the Space Wolves in a struggle to defend the last bastion of mankind.
Galaxy Admirals
Galaxy Admirals is a multiplayer turn-based cosmic strategy with pretty innovative and challenging gameplay. Improve your command skills with AI and conquer the whole universe by fighting with real players.
Alien Shooter TD
Innovative Tower Defense inspired by legendary Alien Shooter series! The game was created in keeping with the best traditions of Sigma`s games, no concessions of any kind - everything is just like in real life!
Distant Space
Distant Space are present the arcade game of cosmic fights in arcade style of the 80's, this is a game where you can control the spaceship and forced to destroy extraterrestrials, which are moving in the certain order.
8-Bit Invaders!
8-Bit Invaders! is a fast-paced, retro Real-Time Strategy game for the PC. Control the military might of the Galactic Marine Corps or Invade with the devastating power of the Cranioids! Mine, Build, and Fight your way to victory! Conquering the Multiverse was never so easy.
ICEY
ICEY is a 2D side-scrolling action game and a META game in disguise. As you follow the narrator's omnipresent voice, you will see through ICEY's eyes and learn the truth about her world. The narrator will constantly urge you in one direction, but you must ask, "Why? Why am I following his directions?“ Obey? Rebel?
Ashes of the Singularity: Escalation
A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat.
Memory's Dogma CODE:01
Japan, 2030 A.D. Memories can now be digitized and archived, allowing people to communicate with the deceased. With only one week left before his best friend’s memories are deleted, can Hiroki uncover the truth behind Sorano’s death?
Rencounter
Rencounter is a difficult, turn-based, RPG, roguelike game with a mysterious atmosphere. Help your squad survive while navigating through a network of tunnels and rooms. Distribute provisions and medicine to keep them alive.
Sakura Space
Captain Shika has seen all kinds of things in her adventures throughout the universe, and with her two loyal crew members by her side, she's managed to make a name for her small company of mercenaries. When Shika finds a bounty job offering an absurd amount of money, she doesn't hesitate to act: tracking hardened criminals is part of the...
Particle Fleet: Emergence
Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.
Quantum Break
From Remedy Entertainment, the masters of cinematic action games, comes Quantum Break, a time-amplified suspenseful blockbuster. The Quantum Break experience is part game, part live action show—where decisions in one dramatically affect the other.
The Uncertain: Last Quiet Day
The Uncertain is an story-driven adventure game set in a post-apocalyptic world. Experience the mysterious vibe of each of carefully explored locations, solve diverse puzzles, make fateful decisions and discuss intriguing matters to find out the whole truth being kept from you.
Diaries of a Spaceport Janitor
Diaries of a Spaceport Janitor is an anti-adventure game about picking up trash in an alien bazaar. Play as the Janitor, an Alaensee girlbeast with a municipally-subsidized trash incineration job and dreams of leaving the planet of Xabran's Rock far behind her.
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STEINS;GATE
Developed by 5pb. and Nitroplus, STEINS;GATE was awarded Famitsu magazine's coveted annual Game of Excellence award and was voted one of the most emotionally charged “tear-inducing games” ever made, in a Famitsu poll. It is a gripping and moving Visual Novel, which has already spawned manga and anime adaptations.
Redout: Enhanced Edition
Redout is a tribute to the old racing monsters such as F-Zero, WipeOut, Rollcage, and POD. It is designed to be an uncompromising, fast, tough and satisfying driving experience, soaked in that vertigo that stands at the core of the arcade racing genre.
NeuroVoider
NeuroVoider is a twin-stick shooter RPG set in a cyber futuristic world about brains shooting around evil robots with nuclear rocket launchers. Battle through the horde of vigilant robots, boost your character with the smoking remains of your victims, and defeat the master NeuroVoider.