Hidden 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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Alpha League HD
Alpha League HD is a free-to-play, hero based Autobattler. In Alpha League, simply pick and build your favorite hero in a Roguelike fashion with 12 different combat genres, and then battle the other 7 Bots or Players to be the winner.
The Legend of Heroes: Trails through Daybreak II
Return to the Calvard Republic and unravel the mystery of the crimson beast! One day, a shocking series of murders set the wheels of fate into motion once again. Chaos looming on the horizon, the spriggan Van Arkride receives an unexpected visitor. Who is behind the murders, and what is their goal?
Project Hailstorm
Step into the shoes of a researcher in the depths of the antarctic and uncover the mysteries behind Project Hailstorm.
Astronomics
Top-down action and space exploration meet asteroid mining automation! Navigate to randomly generated asteroids passing by and start mining. Impress your employer, upgrade your equipment, fight off pirates and save up for that ticket to Earth so you can finally come home... for the very first time.
Reality Break
Rewrite the universe! Break reality to change your fate, and use your powers to stop sinister forces from altering existence itself. Discover the origin of your new abilities in a fast-paced ARPG Loot Collection Roguelite where you will bend, break, and change the laws of the universe!
Exogate Initiative
Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.
SCP: Fragmented Minds
You arrive at Mars Site-113, a decaying monument to the SCP Foundation's ambition—and its failures. Once the most secure facility, now a cradle of horrors calling you to uncover its secrets. Face relentless anomalies, humanity's darkest truths, and a mission that demands survival above all else.
Toaster Arena
Toaster Arena is a first person multiplayer arena shooter where players battle it out on different maps and game modes. Use Advanced movement to traverse obstacles and gain the advantage on the battlefield.
IDUN - Frontline Survival
A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!
Arken Age
Arken Age is a VR action-adventure game set in the Bio-Chasm—a terraformed fantasy world created by the Grand Arborist. Engage in full physics combat using Arkenite infused swords & guns—and freely explore the densely filled environments under siege by Hyperion's neural corruption.
Endless Alice
Endless Alice is a third-person action-adventure game combining Roguelite elements, anime aesthetics, and endless possibilities. Choose characters with unique combat styles and embark on adventures! Play solo or with friends in cooperative challenges for up to 4 players!
BLADECHIMERA
Explore a dark and sinister Osaka as the Demon Hunter Shin. Battle demons, regain lost skills, and uncover the truth of your forgotten past in this exciting occult-inspired cyberpunk metroidvania.
Warden's Will
Warden’s Will is a fast paced movement shooter roguelite, playable solo or in up-to 3 player co-op. Choose your Warden, master unique movements and abilities, and overpower hordes of robots in intense battles. Fly, dash, smash, and turn bullet-hell into bullet-heaven!
Lightracer: For Judge
In a dystopian future, as The Judge with immense power, you journey through space to find hope in a divided society. This sci-fi adventure explores hope amidst adversity.
Winion Virus
Winion Virus is a pixel-art visual novel horror game. It features adorable and charming graphics paired with a dark fairy-tale story full of unexpected twists. As a point-and-click adventure, your task is to fix the errors occurring within the computer.
Clone Drone in the Hyperdome
Cut robots apart in VR. Feel your sword disintegrate their metal bodies. Now you live and die in the Crashloop, a roguelike tournament to the death. Lock swords! Shoot shurikens from your wrist! This is CLONE DRONE... in the HYPERDOME!!!
IRON REBELLION
Climb inside a colossal, crushing war machine, where every switch, lever, and round of ammunition is at your command. Physically interact with every support system and navigation stick as if you were truly in the cockpit. Customize and outfit your mech to outsmart and assert your superiority.
Heat Death: Survival Train
Heat Death is a sci-fi survival game where you can build, upgrade, and customize your battle train to explore and survive a frozen world! This train is not only your shelter and vehicle, but also your weapon and ally to face hostile drones, deadly storms, and hidden mysteries of an unknown world!
FANTASIAN Neo Dimension
Embark on an adventure to discover your memories and save the world from a mechanical infection. Maneuver your skill trajectories during battle, and dive into a new dimension with a unique twist on a classic RPG experience.
The Thing: Remastered
The Thing: Remastered is a faithful restoration of the cult-classic 2002 third-person survival horror shooter game inspired by Universal Pictures’ genre-defining 1982 film, The Thing
Battle Shapers
Battle Shapers is an action-packed, sci-fi FPS roguelite in which you shoot and smash your way through swarms of corrupt robots. Wield powerful weapons, abilities, and game-changing new powers stolen from ruthless Overlords.
Rogue Command
Classic RTS gameplay fused with a modern roguelike. Shape your build each run by assembling an evolving arsenal of powerful units and facilities. Harvest resources, build out your base. Raise your army and call down orbital strikes to overcome the forces threatening your survival.
Deep Space Cache
Deep Space Cache is a short & simple semi-idle bullet heaven incremental asteroid miner game.