Sci-fi Games
Discover 17630 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17630 games tagged with sci-fi
0Grand Galaxy
Play as Bonnie, a bounty hunter bunny stranded on the desert world of Sandaria after failing to pay ruthless collector Myiss Kyzorga. Fight, scavenge, and outwit enemies to reclaim your stolen ship and settle your galactic debts.
0Backrooms: Eternals
Backrooms: Eternals is not a game. It's a relentless, ever-expanding simulation of the ultimate horror: an infinite reality, stripped of all meaning. There are no goals, only survival. No hope, only the decaying echo of what was once reality. Welcome to your forever home.
0Riflehounds 1942 Colorized
1-8 Player Action, Created By Jacob Boehm (Dulmari_Creations). The Prequel To Luke The Hybrid. Set In An Alternate History World War II. Fight Against Rounds of Zombies, Upgrade and Customize Your Progression, Complete Objectives In Operations Mode. And Fight Against Each other In Versus Modes.
0Starbuster
Starbuster is a fast 1v1 zero-G arena where you mine gems, weaponize drifting debris, and sabotage your opponent with lasers, forcefields, and explosives. Procedural arenas and physics-driven chaos make every 3–7 minute match a ruthless fight to score first.
0Fallen Sin
A fast-paced hack and slash game featuring endless wave-based combat. Cut down hordes of relentless monsters as they grow stronger and more numerous with each passing wave. Master your combat abilities, chain devastating combos, and adapt your strategy to survive increasingly brutal encounters.
0Brave Rounds
Shoot, punch and get closer through bullets towards enemies in this close range-heavy arcade bullet hell shoot 'em up. A mysterious cult is going to make Mt. Krakatoa explode! By yourself or with a friend, stand your ground; the fate of the world is in your hands...!
0Critical Attraction
Critical Attraction is a 2D side-scrolling otome simulation romance RPG visual novel. When the player’s older sister suddenly goes missing, they embark on a journey to find her. Along the way, they meet 4 companions with distinct personalities, grow through various life experiences.
0The Final Hold
You and your teammates must survive as long as possible against relentless robots and deadly creatures. Your aim matters, but so does your strategy. Every enemy type fights differently, so stay ready. Fortify your base with turrets, healing stations, traps and a variety of upgrades.
0GOAT FPS
An old school first-person shooter inspired by the classics from the 90s. You know the ones! You'll have to explore every corner to find resources that will help you survive. If you've got a keen eye you might even find a secret or two.
0Turleon
Turleon is a beat 'em up with platforming sections. Explore different levels, face powerful bosses, and test your skills as you decide what kind of monster... or hero, you want to be.
0The Foundation Survive: Artificial Home
In this SCP story, you will become Liam, a broken test subject trapped within the Foundation. Every corridor hides a piece of your past, and every memory you recover brings you closer to madness.
0SCP: ReEnter
SCP: ReEnter is a free, asymmetrical multiplayer FPS set during a massive containment breach. Players are randomly assigned to Humans or SCPs. Fight to secure the facility, escape, or slaughter everyone with seven playable anomalies.
0The Starforge
A short incremental game about harvesting planets to feed your mothership. Mine, manage resources, grow your fleet, and unlock upgrades to evolve your species. You are the devourer of worlds.
0Astro Femdom
Become slave to superior Astro Mistresses: worship boots, endure strap-on, spanking, slave training, electric discipline, and much more. PC/VR sci-fi BDSM adventure. 18+.
0Scrap Inc
Engage your brain in solving puzzles by pushing objects, pressing buttons, avoiding enemies and collecting different materials and scrap, to achieve level targets. Unlock areas with levels that vary in difficulty and stunning interactive environments.
0RoboDeal Simulator
Design, craft, and trade robots on the frozen world of Xylaris-9. Serve factions, upgrade your facility, and shape your robotic legacy in Robodeal Simulator.
0VIREN
Awakened in a post-apocalyptic future, he searches for a way out—only to uncover the truth behind his mission by confronting the guardians of an unknown power.
0Vampolitics: Vassals of the Void
You have inherited a graveyard, Sovereign. Yet through logistics, diplomacy, and the art of war, the space-vampire age can rise again under your banner.
0Xeno Rescue
Inspired by Alien 3 for Mega Drive / Genesis and Super Nintendo, it combines fast-paced action, suspense, and a dark atmosphere filled with tension. Assuming the role of Erika, you must rescue the trapped scientists while trying to survive the horror lurking in the shadows.
0Adventures of Caine McDowell: The Porkian Encounter
Tap into your space pilot intuition as you explore an alien world, fighting monsters and fleeing from a vicious bounty hunter in this retro, puzzle-based, sci-fi epic!