Sci-fi Games
Discover 17652 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17652 games tagged with sci-fi
0Space Mantlet
Bite size colossal battle! Build an army in minutes as infantry upgrade with orbital drops into war machines! Then combine those machines to form the giant Mantlet mech! All while bullet hell rages! In a transhuman future, command Mantlet One to secure New Terra!
0Caution! Platforming Ahead
Caution! Platforming Ahead is an abstract precision platformer starring Platformo. Run, jump, and blaze throughout the ether of a mysterious dimension utilizing incredible energy to defy gravity. Twenty scenes of classic platforming action await.
0Bloody Bunny 3D
BLOODY BUNNY 3D Is a wave based survival zombie shooter! You can TRAP, SHOOT, SLICE, and THROW these bloody creatures till every last one is off the face of the earth!
0Distant Shore: BRETAGNE
Distant Shore: BRETAGNE is a first-person parkour physics based game, where you wield your magnetic gauntlets to move, bend and break metal obstacles. Navigate through a ravaged world to complete the mission given by your employer.
0Colloblast: Kingdoms of Cosmos
A sci-fi RTS game with base building and resource gathering.
0Entrée Dungeon
Rejected as heir after losing your will, you must survive on an abandoned amusement-park planet. Gather ingredients, craft food-guns, shoot, eat, and grow stronger to reclaim your lost legacy.
0Zargog
Dark-fantasy horror and RPG meet in space. Escape the Tomb and somehow travel to the post-apocalyptic world drowned in miasma to discover the purpose of your powers. Fight the demons all the way, inside and out. Discover entities to power-up, and be weary of dark agents hunting you.
0NO BACKUP
Escape together - or die alone. In this intense co-op bodycam horror game, you and your team are hunted by a relentless creature. Communicate, stay quiet, and fight to survive. Every move counts. Every sound could be your last.
0Brightest Star
You are returning to Earth on a starship, towards your cherished goal. Enjoy the wonderful life in the world of the future. And stay true to yourself when it comes time to save mankind in a cosmic novel-size adventure through space, time, and other dimensions.
0Frontline: War of Echoes
Capture the flag, but it's you versus yourself. Everytime your reach the flag, time gets rewinded and you play a new clone in the opposite team. Can your survive an army of yourself?
0Dimenshot
Dimenshot is a melee-focused boomer shooter FPS set in distinct worlds, each representing one of the Seven Deadly Sins with its own unique theme. Melee combat is central, ranged weapons are supportive. Play fast and aggressive; combine parkour with combat.
0RUST MOON
In a cyberpunk wasteland, play as a rogue Peacekeeper captain—explore Metroidvania-style worlds and rewrite humanity’s fate through gunfire and choice.
0Axis Shift
Switch between Tank, Spaceship, and Submarine in this third-person sci-fi arcade shooter, battling waves of rabid mechanical beasts to uncover the truth behind Stroth XVI.
0Null Anchor
Null anchor is a space-sim-lite where you fly, fight, scavenge, steal, trade, refuel, upgrade, repair, evade cops, hunt bounties and run, because you can't hide.
0Agents 4 Hire
Defend and Clean Mr. Wong’s suburban supermarket. By day shoppers will come shop but they leave a mess! And by night the hungry "Zombies" come for their revenge. As his trusted Agent that was hired for this job, it’s up to you to protect the store and your own skin!
0Bit-Broken Identity
Bit-Broken Identity is a psychological horror visual novel about escaping reality. A tempting part-time job. Just submit a form. W̸͖͋̈́ḩ̴̮̹̟͛a̶̳͊̒̒̎t̷̜͆ ̷̎́̂͋͜c̶̫̈̈́ǫ̵̔̐̔͝ṳ̸͎́l̵͕̃́̀d̶̯̔̀͠ ̵̻̀g̴͕̯͋̒̕ͅo̵̥͉̺͐͊ ̷͍͖͚̒ẁ̶͎̫̿͘ŕ̴͎̉̏̔ö̶̹́̓ǹ̴͕̌̓͘g̸̼̹̈́͊͝?̸̢̛̭̟͂ 🎣 👁️
0NOVA
Nova is a game set in the future, about an assistant robot trying to escape from a quarantine environment.
0Mech Fortress
Mech Fortress is a sci-fi tower defense game where each turret has unique mechanics. You can freely place them on a 5×5 grid, and your goal is to eliminate all enemies!
0Phantom Void
Possess enemies, steal their powers, and shape your evolution in a cinematic sci-fi horror set in a collapsing dystopian world. Build your strength through a deep skill tree and physics-based combat.
0Spaceships and Cellular Automata
Spaceships and Cellular Automata is a tower defense game set in space! Place different towers to defend your ship against the waves of aliens. The enemies are simulated based on Conway's Game of Life. Even just one of your bullets is enough to cause a destabilizing chain reaction to destroy them!