Sci-fi Games
Discover 17691 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17691 games tagged with sci-fi
0Outer Gas
Outta Gas? Outer Gas! In Outer Gas you take control over your very own space gas station and attend to your customers’ needs: fill up their tanks, provide them with some snacks and send them back on their cosmic journeys. Expand your station and set up your own mining rigs!
0EMPTY SHELL 2
Take on the roles of expendable volunteers sent to a forsaken facility on a remote Japanese island. Recover lost data, scavenge for resources, manage your inventory, and endure unspeakable cosmic horrors. In this top-down extraction survival horror, every expedition is a journey back from madness.
0TO THE MOON
TO THE MOON is an addictive vertical platformer where every jump counts. Guide your character through shifting platforms as you time each leap perfectly to ascend toward the luminous moon.
0Verses: Hyper-Kinetic Aerial Joust
Strap into your Reaver and power up your Energy Blade. Verses is a Hyper-Kinetic fusion of aerial jousting & high speed racing. This competitive sport is an easy to learn, fluid moving, explosive arcade battle for 1-4 players. Fly into a visionary future on courses scattered across the solar system.
0Exilus Viper
Awaken as the Nav Shard—one of five A.I. fragments aboard a mysterious fighter-jet. Battle through branching stages in a neon-infused vertical shmup. Combine elemental powers, and fight your way to the Void. No retries. No rewinds. This is Exilus Viper.
0Zero Gravity Heroes
3 games in 1! Land, jetpack, and shoot your way through 90 bite-sized arcade stages across 30 unique missions. Fast-paced, family-friendly action inspired by classic arcade gameplay — built for modern players.
0Luft Gears
Blend of planet system exploration, discovery, real time space combat, together with player needing to maintain and upgrade his space ship to overcome numerous obstacles. An experience quite unlike other games in its genre.
0Main Plane
This is an action game where you can freely edit your skills and perform satisfying combos. As you construct unique skills, the protagonist will also construct her memory. Uncover the mysteries in this wonderful world to eventually return to the Main Plane.
0Warring Triad
Warring Triad is an online card game (TCG) that reimagines the beloved mechanics of popular TCGs, and wraps it all with a rich, single-player roguelike adventure.
0Crucible TD
Defend the Crucible from waves of enemies. Grow your economy to new heights, research and be always one step ahead. The Crucible must be completed!
0Astrocraft
Astrocraft is a simulation game about building and managing your own space station. You mine resources, construct buildings, install machinery and equipment, sell goods to space travelers, and hire workers to automate all the operations.
0Beyonders
Beyonders follows a 5-person co-op elite space crew (including one dog!) sent across the solar system to investigate anomalies, recover lost assets, and survive extreme environments. Using the scientific method and cooperative engineering, players complete missions. "Could it be aliens? Never!"
0Galactic Nine Lives
Galactic Nine Lives is a pixel-perfect roguelike bullet hell where a cat-headed warrior battles relentless waves of enemies. Dodge, shoot, and unlock powerful skills in this fast-paced minimalist arcade experience!
0America Against Ants
AAA is a unique, narrative driven Real-Time Tactical Defence game (RTTD). The year, 1951, the place, Nevada, USA. Take command of Task Force Sable and battle through 30 increasingly challenging missions to defeat giant, mutant ants as they swarm from atomic test sites in the desert.
0CoopRooms
CoopRooms is a co-op survival horror game for up to 5 players, set in the endless Backrooms. Take photos and videos while you progress - and maybe survive. Just don’t scream... the Entities are listening.
0SCP: Echoes
Hidden away from the public, you must survive in a top secret facility, filled with anomalous entities. Will you save the world, cause destruction, or end humanity as we know it?
0Close Encounter P.I.
Close Encounter P.I. is a first-person investigation game where you hunt for evidence of extraterrestrial activity. As Jack Wilson, an alien abduction survivor, you explore eerie locations, use specialized tools, document strange phenomena, and compile reports based on your findings.
0Galaxy Critter Co.
Galaxy Critter Co. is a cute chaotic roguelike where tower defense meets top-down shooting: build turret lines, fight alongside fluffy operatives, and craft broken synergies to survive the massive Swarm.
0CastleMiner Z : Resurrection
The cult survival shooter returns. Rebuilt in Unreal Engine 5, CastleMiner Z: Resurrection brings next-gen visuals, brutal combat, and infinite worlds to explore. Mine, craft, build, and survive against the undead, dragons, and the deadly unknown.
0Ghost of the Past
Ghost of the Past — a sci-fi adventure about the price of human curiosity. Track ghostly signals, survive encounters with an unknown enemy, and unravel a mystery the Fleet has chased for decades—while paying an unfathomable price for the answers.