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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Destroy All Humans! 2 - Reprobed
Crypto is back with a license to probe. The alien invader returns, groovier than ever. Experience the swinging ‘60s in all its chemical-induced glory and take revenge on the KGB for blowing up your mothership. You’ll have to form alliances with members of the very species you came to enslave.
I Was a Teenage Exocolonist
Spend your teenage years on an alien planet in this narrative RPG with card-based battles. Explore, grow up, and fall in love. The choices you make and skills you master over ten years will determine the course of your life and the survival of your colony.
SD GUNDAM BATTLE ALLIANCE
SD Gundam Battle Alliance is a multiplayer Gundam action RPG where you can smash foes solo or with friends in thrilling mechanized combat. Acquire new mobile suits, power them up, and take them into battle in various missions!
Red Matter 2
Red Matter 2 is an immersive, puzzle-adventure game that will transport you to the far reaches of space. Step into the shoes of Sasha, an agent awakened in a lunar base by an undercover operative and tasked with uncovering the secrets of the mysterious Red Matter.
Axiom Verge 2
Explore a sprawling, alien world in the sequel to the award winning Axiom Verge.
Star Valor
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.
Retreat To Enen
Base building simulator 1500 years in the future. Journey to the Island of Enen to forage, craft, build, hunt, meditate, and explore across three vast biomes. Discover secrets and create the retreat of your dreams. With over 160 unique items to gather, craft, and build, every home will be unique.
Ex-Zodiac
A fast-paced low-poly 3D rail shooter heavily inspired by classics of the early 90's. Join protagonist Kyuu as she fights to free the worlds of the Sanzaru Star System, overrun by the intergalactic terrorist organization known as Zodiac.
The Final Earth 2
The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?
Fobia - St. Dinfna Hotel
Explore a decadent hotel across different timelines and uncover the dark history of a fanatical cult and your role in their plans.
AI: THE SOMNIUM FILES - nirvanA Initiative
Special Agents Mizuki and Ryuki, along with their AI partners Aiba and Tama, are tasked to solve the bizarre Half Body serial killings in this sequel to the critically acclaimed AI: THE SOMNIUM FILES.
Blade Runner: Enhanced Edition
Armed with your investigative skills and the tools of the Blade Runner trade, you'll be immersed in a world that lives and breathes around you with breakthrough lighting and visual effects. Your ability to survive will be put to the test in the richest game environment ever created.
Oddworld: Soulstorm Enhanced Edition
Oddworld: Soulstorm is the explosive second game in a brand new Oddworld Quintology that tells the continuing story of Abe and his comrades as they discover further crimes against Mudokonkind and look for the spark that will ignite a revolution.
FINAL FANTASY VII REMAKE INTERGRADE
Cloud Strife, an ex-SOLDIER operative, descends on the mako-powered city of Midgar. The world of the timeless classic FINAL FANTASY VII is reborn, using cutting-edge graphics technology, a new battle system and an additional adventure featuring Yuffie Kisaragi.
Starship Troopers: Terran Command
Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes!
The Hand of Merlin
The Hand of Merlin is a turn-based rogue-lite RPG in which Arthurian legend meets with sci-fi horror. Recruit mortal heroes to explore lands rife with otherworldly evil, make narrative bending choices in unique interactive encounters, and search for the lost fragments of your soul across the multiverse!
Meteor World Actor: Badge & Dagger
Superpowered detective noir. Maverick detective Ruka Hiryu pursues criminals by day—and ices perps by night...
Spacelines from the Far Out
Run your own 60s-inspired space-age alien airlines in this randomly-generated chaotic 1-to-4-player local and online co-op game!
Space Beast Terror Fright
S.B.T.F. is a very hard arcade-style / rogue-like / perma-death first person shooter. You play as Marines who must brave dark, claustrophobic and terrifyingly intense Space Beast infested spacecraft in order to extract critical data and lucrative upgrades. Can you make it out alive?
Nemesis: Lockdown
In Nemesis: Lockdown, you're part of a team exploring an alien-infested space base. Craft, hide and fight to make it out of its dark, threat-filled corridors. Fulfill your objective even if it means betraying your allies, but remember - this time, you are not the hunter. You are the PREY.
Hardspace: Shipbreaker
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
Soda Crisis
Soda Crisis is a fast-paced side-scrolling shooter game. You play a mysterious character of unknown origin, equipped with advanced high-tech gears and fierce combating skills - definitely the chosen one for this rescue mission!
Keplerth
Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!
Vox Machinae
Strap yourself into the cockpit of a robot seven times taller than a Tyrannosaurus Rex and prepare to do battle in Vox Machinae: the ultimate giant robot combat action-simulator for both VR and standard screens.
Tin Can
You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive?
Warhammer 40,000: Chaos Gate - Daemonhunters
Lead humanity’s greatest weapon, the Grey Knights, in this fast-paced turn-based tactical RPG. Root out and purge a galaxy-spanning plague in a cinematic, story-driven campaign, using the tactics and talents of your own personalised squad of Daemonhunters.
Citizen Sleeper
Roleplaying in the ruins of interplanetary capitalism. Live the life of an escaped worker, washed-up on a lawless station at the edge of an interstellar society. Inspired by the flexibility and freedom of TTRPGs, explore the station, choose your friends, escape your past and change your future.
The Gunk
The Gunk is an action-adventure game in which you play as Rani, part of our duo of gritty space haulers. As they’re struggling to bring in funds, they chance upon an untouched planet brimming with life. They came in search of valuable resources, and it looks like they’ve hit the jackpot…
Trigon: Space Story
Trigon: Space Story sees you take command of your very own spaceship. Carry out tactical battles, defend your vessel against space pirates, and escape from enemy territory. On your voyages, you’ll face a slew of tricky decisions in your quest to uncover the mystery of the galaxy.
Prehistoric Kingdom
Take on the role of park manager and design the ultimate zoo for nature's greatest creations.
Athanasy
Deep beneath the surface of the dead Earth, the City, the last refuge of humanity, hides. Engineering genius and efforts of all mankind; a giant structure of steel, concrete, and biopolymers. It keeps the remnants of civilization one step away from total extinction.
CHRONO CROSS: THE RADICAL DREAMERS EDITION
CHRONO CROSS is an RPG that transcends time and space, unfolding across two interlinked parallel worlds. With over 40 party members to meet, people and dimensions will intertwine in this epic drama about the planet itself.
LEGO® Star Wars™: The Skywalker Saga
Play through all nine Skywalker saga films in a game unlike any other. With over 300 playable characters, over 100 vehicles, and 23 planets to explore, a galaxy far, far away has never been more fun! *Includes classic Obi-Wan Kenobi playable character