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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DOOM 64
Play the enhanced version of the original game released on the Nintendo 64 in 1997. Years have passed since you stopped Hell’s invasion of Earth. Quarantined for humanity’s safety, the UAC research facilities on Mars were abandoned and forgotten...until now.
DOOM Eternal
Hell’s armies have invaded Earth. Become the Slayer in an epic single-player campaign to conquer demons across dimensions and stop the final destruction of humanity. The only thing they fear... is you.
Submarine Titans
Submarine Titans is a real-time strategy video game that takes place in the year 2115 after a comet has struck Earth, driving two human factions, the militant White Sharks and the scientific Black Octopi, to establish underwater bases and fight for dominance over the oceans.
Avorion
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
Black Mesa
Relive Half-Life.
Boiling Steel
"Boiling Steel" - is a sci-fi story-based FPS VR shooter. You are one of many who set off in search of a better life in the distant bastion of scientific progress. Immerse yourself in the thick of events and witness the inexplicable global cataclysm.
Heaven Dust
When you awake, you find yourself in a mansion, where was the secret research center, is now a maze full of horrible zombies and deadly traps. You'll have to escape by overcoming your fears, collecting items, solving innovative puzzles and revealing the cruel truth.
BEAUTIFUL DESOLATION
BEAUTIFUL DESOLATION is an isometric, point & click adventure game set in a post-apocalyptic future. Explore an unscene landscape, solve puzzles, meet new friends and make powerful enemies, mediate conflicts and fight for your life as you unravel the secrets of the desolate world around you.
Out of Space
Strategy co-op online multiplayer game about living on a spaceship with your roommates. You'll need to generate resources, take care of a deadly alien infestation, upgrade your appliances and build your sustainable space home. Living together is never easy, especially when you are in outer space!
Mega Man Zero/ZX Legacy Collection
Mega Man Zero/ZX Legacy Collection brings together six classic titles in one game: Mega Man Zero 1, 2, 3 and 4, as well as Mega Man ZX and ZX Advent. The collection also features Z-Chaser, an exclusive new mode created just for this set of games.
Genesis Alpha One Deluxe Edition
Hyperjump into the dark recesses of space with Genesis Alpha One - a roguelike FPS where you must build, maintain and navigate your ship through a galaxy filled with hostile alien and human threats. Explore, create and survive the militarized space race in order to secure humanity’s future.
Lair of the Clockwork God
A fast-paced Point-and-Click adventure AND an indie platfomer in one! Join adventurer Ben and wannabe indie darling Dan in a race against time to stop all the Apocalypses happening at the same time.
NEOVERSE
Neoverse is a beautiful, fantastic game consisting of adventures with thrilling challenges. It is a strategic, action, rogue-lite, deck building game that will test the player’s skill. Start an adventure with unique heroes to save the world along various timelines.
DAEMON X MACHINA
Pilot your fully customizable Arsenal mech and join your fellow mercenaries in defending humanity from the corrupted machines and gigantic robots in this post-apocalyptic action game!
ELDERBORN
ELDERBORN - a Metal AF* Slasher with brutal FPP melee combat and souls-like/RPG character progression. In the times of legend, barbarian tribes need a new dark messiah. Be that merciless slayer. Uncover ancient secrets in the city of doom. Forge your own destiny! *Action Fantasy.
Lightmatter
A first-person puzzler where shadows kill you. Watch your step or be swallowed by the darkness.
Budget Cuts 2: Mission Insolvency
Built from the ground-up for Virtual Reality, Budget Cuts 2 is an action-adventure stealth game where you zip, sneak, and stab your way through enemy-filled offices, trains, warehouses, and skyscrapers to take down the evil efficiency robots at TransCorp.
SD GUNDAM G GENERATION CROSS RAYS
Beyond creation, four eras come together as one! Discover the latest entry in this iconic Tactical RPG series. Form your own team of SD Gundams and deploy for battle -- with units from Mobile Suit Gundam Wing, SEED, 00, and Iron-Blooded Orphans!
Black Future '88
Black Future ’88 is a Synth-Punk roguelike 2D action Shooter. Vertically climb an always evolving procedural tower to reach the top and kill its insane owner…before your heart explodes. Shoot, slash, dash and upgrade yourself to survive the endless waves of Homicidal AI, Traps & Colossal Wardens.
Still There
Every day is the same on the faraway Bento space-lighthouse - until a mysterious radio message breaks through. Evade the past, welcome oblivion, make the perfect Italian coffee. Still There is a psychological adventure game about grief, technical puzzles, wacky AIs and dark humour. How far is far enough?
STAR WARS Jedi: Fallen Order™
A galaxy-spanning adventure awaits in Star Wars Jedi: Fallen Order, a 3rd person action-adventure title from Respawn. An abandoned Padawan must complete his training, develop new powerful Force abilities, and master the art of the lightsaber - all while staying one step ahead of the Empire.
Terminator: Resistance
Terminator: Resistance, is a first-person shooter set during the 'Future War' scenario that was only glimpsed at in the iconic films, 'THE TERMINATOR' and 'T2: JUDGMENT DAY'. The machines are destined to lose, but at what cost?
Discolored
Locals whisper of a roadside diner that’s lost its color. You are sent to investigate.
Moons of Madness
Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.
AI War 2
The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.
Digimon Story Cyber Sleuth: Complete Edition
With engaging storylines, classic turn-based battles, and tons of Digimon to collect, Digimon Story Cyber Sleuth: Complete Edition delivers everything fans loved about Digimon Story: Cyber Sleuth and Digimon Story: Cyber Sleuth – Hacker’s Memory.
Fallback
Lead the rebellion in an epic rogue-like adventure. Guide your jet-pack equipped post-apocalyptic volunteers through a labyrinthine underground complex by jumping, dodging, and battling against robot minions (and masters) to get to the surface — and bring life back to the scorched Earth.
BDSM: Big Drunk Satanic Massacre
BDSM is the first satirical action RPG where you get to play Lou, Satan’s son! Get some booze, kill the traitors, save Hell and rescue the hottest demoness from the clutches of those nasty people and mega-corporations!
Valfaris
Set in a far corner of space, Valfaris is a heavy metal infused 2D action-platformer and the next game from the team behind Unity Awards finalist, Slain: Back From Hell. Brutal combat. Deadly enemies. Stunning pixel art. Savage soundtrack. Get ready to rip the galaxy a new wormhole.
Deliver Us The Moon
The Moon has gone dark, cutting off Earth’s last source of energy. As a lone astronaut, you’ll explore abandoned lunar bases, solve intricate puzzles, and navigate stunning zero-gravity environments. Operate advanced vehicles, uncover hidden truths, and survive in this gripping sci-fi thriller.
Rain of Reflections: Set Free
Rain of Reflections is an atmospheric, dystopian adventure game with exploration and deep character interactions. Its turn-based strategic confrontations are uniquely centered around a motivation mechanic.
Ciconia When They Cry - Phase 1: For You, the Replaceable Ones
This is the first chapter in newest entry When They Cry visual novel series produced by Ryuukishi07. It features HD graphics, more detailed animations, and newly created songs by many of the composers from Umineko, as well as several new additions.
Neo Cab
A visual novel about emotional survival in an automated world. Play as Lina, the last human cab driver. It’s your first night driving the lonely streets of Los Ojos, and your best friend has just disappeared. Stay on the road. Stay on the search. Stay human.
YU-NO: A girl who chants love at the bound of this world
Takuya Arima receives a package from his supposedly deceased father. It contains the mysterious Reflector Device which allows the user to travel between parallel worlds. Takuya must unearth the mystery of his father's legacy to prevent a calamity threatening to envelop reality itself.
The Surge 2
In a bid to survive, explore the sprawling, devastated Jericho City. Fight ferocious threats in brutal, unforgiving combat, slashing and tearing the limbs off your opponents to steal their equipment.