Sci-fi Games
Discover 17756 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17756 games tagged with sci-fi
0Rabbit Comes Home
Play as a lone rabbit sent to the outer space on the journey back home. Defend the ship against relentless alien waves, harvest precious resources, upgrade under pressure, and survive the crushing energy deficit. Every warp brings you one step closer to home… or to ruin.
0Avalon Crew
A cooperative sci-fi horror adventure where players must work together to find a rescue capsule on a space station under alien invasion.
0Code: Stella
Control numerous unique characters, gather them into a team, utilize and combine their abilities, and battle against a multitude of enemies! On your way to the center of the galaxy, you will encounter many unique regions, each with its own conditions, enemies, and a mighty bosses.
0MetalMercs
Destroy. Salvage. Repair. Upgrade. PROFIT! A real-time tactical experience where you command your own mercenary outfit of mechs and mercs and adventure through randomly generated missions filled with rewards, glory, and bitter defeat.
0Mutant Hunter
As the numbers of combat ready soldiers in the ranks of the remaining army continue to dwindle, High command devised a plan to use convicts as manpower via mind control. Now your task is to hunt mutants around the sector using this experimental technology.
0Kamikaze Tactics
Soar into the skies in this turn-based tactics roguelike where every dogfight is a test of skill. Recruit your crew, upgrade your ships, and outmaneuver your foes to seize victory in this high-stakes tale of revenge!
0DigRogue
“DigRogue” is a solo-play mining 3D roguelite. Stranded on an unknown planet with minimal supplies, you must mine resources and gather enemy materials to upgrade your gear. Defeat the planet’s bosses, using their unique organs to upgrade your spaceship, and begin your long journey back to Earth.
0The Moon Looks Beautiful Tonight: Definitive Edition
Two girls must travel to the Moon's core after it has been thrown out of orbit. A PC98 inspired visual novel about fear of the unknown and people in love.
0Xenocrystal TD
A Rogue-like Tower Defense game with 10 towers, 5 damage types, 20 abilities, and hundreds of upgrades. Select one or more upgrades to your towers and/or abilities at the end of each level that stay with you through your mission to protect the Xenocrystals. Limitless possibilities!
0CyberWave
A wave based arcade shooter with different elements from other genres like hero shooters and incremental games. Fight waves of enemies to earn money to get better gear and upgrades to help you the next time you go to fight them.
0Spaceborn Awakening
Spaceborn: Awakening is a narrative-driven roguelite bullet-heaven where you step into the role of a legendary space crew, answering a mysterious distress signal. Eliminate hordes of the Voss Praetor’s corrupted army, awaken your true potential, become a Spaceborn - decide the fate of the universe.
0Echoes of Exile
Echoes of Exile is a short horror game about exploring space. You fly to points of interest and delve into caves with your drone and flashlight.
0OUTTA HELL
OUTTA HELL is an action-packed FPS set in haunting dimensions of the afterlife. You're Mono — trapped in a corporate purgatory after a life of crime. Dive in guns blazing, slow down the chaos with time-bending combat, or move tactically through the shadows — hell won’t wait, and neither should you.
0Fathoms
Hop into a ship and escape! With the help of an aquatic ally, you pilot an underwater vessel in an attempt to escape the clutches of the Sea Intelligence Bureau.
0Sunset Arena
A synthwave party game that transforms your Steam Deck into a coffee table arcade cabinet. Take on friends in a top-down shooter where the only control you need is a joystick. Customize, Power-up, and Derezz your way to victory.
0Castle Rain
Castle Rain is a 3D top-down action game where you control Billy, a mushroom whose island was devastated by a villain who turned his friends and everyone around into manipulated zombies.
0Wild Cosmos
You crashed into an unknown asteroid belt. Explore this alien world, leap between asteroids and find a way to repair your spaceship.
0Black State
An action-packed third-person shooter with stunning visuals and high performance. A secret scientist organization summons you for a mysterious mission; rescue captives and uncover the truth behind a cataclysmic event. But beyond the portal doors lies an unknown fate. Are you ready to enter?
0Null Causality
INFILTRATE, EVALUATE, ANNIHILATE. Working together or alone, exploit a time loop to gather information, create a plan, and neutralize a rogue intelligence system threatening to destroy humanity in this first-person sci-fi knowledge-based immersive sim.
0Oceaneers
A survival-crafting colony sim set in a flooded world of unstable islands. Build a colony, craft gear, design rafts, fend off sharks, manage your survivors, and explore island bunkers to uncover lost Float-Tech from an old-world corporation.