Sci-fi Hidden Gems on Steam
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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Together: Moon Escape
A handcrafted two player adventure set in low gravity. Solve intricate asymmetric puzzles and escape Moontella’s extremely profitable slime empire through chaos, laughter, and unforgettable true co-op moments with your partner.
Ground Zero
Fight through post-apocalyptic South Korea in this retro survival horror. Uncover the truth behind the devastating meteor impact that left the country in ruins and turned every living organism into a terrifying monstrosity. Fight. Solve puzzles. Upgrade gear. Make every bullet count.
A Planet Full of Cats
A Planet Full of Cats is a hidden object adventure with metroidvania-style exploration in true Devcats fashion. Explore diverse biomes, unlock new powers and uncover ancient secrets!
Solar Expanse - Space Exploration Manager
Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.
Modulus: Factory Automation
Build, automate, & optimize production lines across sky islands with real spatial constraints. Every production line is an open-ended puzzle: which operators to use, how to route your belts and how to fit your factory into the landscape. Your solutions, like your factories, are uniquely your own.
Aether & Iron
Immerse yourself in this Decopunk Narrative RPG set in an alternate 1930s where anti-gravitational technology has taken cars, roads, and even New York City into the sky. Muster a crew, master tactical turn-based combat, and unravel the dark secrets lurking beneath the floating metropolis.
Mega Man Star Force Legacy Collection
The Mega Man Star Force series, which expanded into an anime, is back in the Mega Man Star Force Legacy Collection! This collection includes seven games and additional features like a gallery of illustrations and music! Online play is also supported!
Heroes of Science and Fiction
A turn-based sci-fi strategy that combines exploration and exciting clashes on the battlefield. Take control over several different species, raise powerful armies for your heroes and destroy your opponents! This HoMM-like is set in a scifi universe, with new mechanics on top of the classic formula.
Net.Attack() - Code or Die!
CODE OR DIE! Hack enemy systems & survive the security response by engineering lethal bullet-heaven algorithms. Your brain power determines your firepower across 190+ programming nodes. Debug your failures. Optimize your code. Complete the heist. HACK THE PLANET!
Blossom: The Seed of Life
Terraform a dead planet back to life in this open world survival crafting game. Explore ruins, gather resources, print machines, drive modular vehicles, grow forests, biomes, and ecosystems. Create life and make it thrive with your own hands.
Planet of Lana II
As greed and power divide the tribes of their home planet, Lana and her little companion, Mui, must stand together against the forces reshaping their world – struggling not just for survival, but for the soul of their home.
MeteoriteFall
Let's use existence and freedom as stakes, block everything, and explore the ancient legends of the Fallen Star Village, digging out the truth buried in the long river of history.
Nonentity Galaxy
Fight, Scavenge, Survive, and File Your Taxes. A grim yet hilarious space strategy roguelite where you must balance hull integrity against your company's relentless profit margins. Warning: Contains lethal doses of dark humor and corporate exploitation.
The Last Starship
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Calyx
A strategy game with a new kind of enemy, Calyx puts you in charge of a space mining outpost, locked in battle against powerful plant-aliens. Build your base, gather resources, assemble your forces, and take on the Calyx. With only an out-of-date AI for company, can you survive?
Out of Action
A fast-paced PvP FPS built around skill-based movement and deep build crafting, with cinematic, high-intensity combat set in a brutal cyberpunk world inspired by 90s anime.
Factory Planner
Factory Planner is a card-based simulation/strategy game that lets you build a factory using cards. The main goal of the game is to make combinations with different cards so that each player can build different factories and feel the sandbox experience to the fullest.
Solargene
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
The Legend of Heroes: Trails beyond the Horizon
The future of an entire continent is at stake in this milestone entry in the Trails series! Explore the vast Calvard Republic with three different protagonists, nurture connections, and master powerful skills in both real-time and turn-based battles as you uncover the secrets at the core of Zemuria!
Feed the Reactor
An incremental unfolding game about feeding fuel into a reactor. Combine elements to produce energy, unlock exotic technologies and explore a strange galaxy.
Chronigma
Master time in this story-rich time-bending puzzle game. You travel back in time to be in two places at once, to solve puzzles impossible to complete alone. Your success hinges on your ability to collaborate with yourself. Can you learn to manipulate time to save humanity?
Repel The Rifts
Repel the Rifts is a roguelite tower defense game where you lead a commander through an alien world, uncovering new terrain each wave, drafting powerful upgrades, and constructing defenses to hold back the chaos.
Asbury Pines
A grisly mystery in a small town unfolds across centuries through the stories of its residents. Orchestrate their work, grow resources, upgrade skills, and create automated production loops between past and future eras. All to uncover a sprawling secret embedded in the flow of time.
Girls' Frontline
As a Commander for Griffin & Kryuger PMC. Navigate faction power struggles, deploy forces strategically, and work to restore order in a war-torn world.
Million Depth
Craft original weapons and engage in strategic time-freezing battles as you dive into the million-floor deep underground world of this deep-diving action strategy game.
Star Ores Inc.
Take over an abandoned space station and manage your own ore mine. Cut through the asteroid with your laser, sell ore, and create an automated network of robot helpers to maximize your profit.
Eventide Matter
A 2D space mining adventure. Mine exotic resources, unlock powerful equipment, and fend off relentless enemies to build an inter-dimensional portal, the last hope of salvation for your civilization.
Vanguard Galaxy
A relaxing game about space exploration that can be played full screen or at the bottom of your screen. Trade, fight, mine and salvage your way through a procedurally generated galaxy. Let the game idle while your autopilot handles business and builds your fortune.
Spartan Survivors
Fight hordes of Covenant & Flood in this new game mixing Roguelite & Bullet Heaven for hours of mindless fun!
Mech Havoc
Sandbox of destruction. Billion different ways to build your mech. Feel the weight and impact of obliteration in this modern old school mech combat sim.
GODBREAKERS
Fast, Fluid, Frenetic! Break gods, steal powers, and chain abilities in a hectic combat loop. This 1-4 player co-op action roguelite is built for fast pick-up sessions and endlessly replayable chaos. Experience tough battles and maximum expression where every run feels rewarding!
Battle Suit Aces
Battle Suit Aces is a Saturday morning cartoon where you're at the helm! Grow your roster of charming mech pilots as you immerse yourself in thrilling story missions and charge into card combat. Suit Up!
Chronoquartz
In Chronoquartz, every move matters! You have 10 turns per loop: explore, solve puzzles, and use your past knowledge to progress. Strategy, critical thinking, and time management will be your allies in this unique temporal adventure. Will you succeed in saving time?
Alien: Rogue Incursion Evolved Edition
A new action-horror story set in the iconic Alien universe. Play as rogue Colonial Marine Zula Hendricks, sent to investigate a blacksite on Purdan. Fight and survive using your skill, reflexes, and determination against a deadly Xenomorph incursion in this gripping first chapter of a two-part saga.
Mind Diver
Investigate a broken mind to unravel a twisted case. Deduce the truth. Restore lost memories. Listen to private conversations. Draw your own conclusions. Mind Diver is a murder mystery, where the victim is love.