Sci-fi Games
Discover 17597 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17597 games tagged with sci-fi
0Deployed
Survive waves of asteroids in the reversed bullet hell with meta progression. Defend your customizable spaceship from incoming asteroids by upgrading its systems. Use research lab for offline upgrades. Send expeditions to uncover the unknowns of the universe.
0Bulgasari: Consume·Evolve·Survive
Amidst the ruins of a crashed starship, you inject the mysterious ampoule BGS-01 and awaken an insatiable hunger for steel. Devour steel to evolve, and trade with the Space Stagecoach to secure vital supplies. Slaughter the swarms of alien monsters hunting you down and survive!
0Rocket Adventures
Easy to lift off, hard to land. Test your piloting skills in a physics-based 3D platformer where gravity is your worst enemy. Thrust through stylized worlds, conserve fuel, and avoid explosive impacts. Only for true rocket scientists.
0The Perfect Paradise
The Perfect Paradise is an adult game where you play as Aiden, a calm and intelligent man guided by reason. As days pass, subtle illusions turn into seductive temptations that test his values, pulling him between pleasure and duty and slowly reshaping who he becomes.
0Fractaloid Attacks!
Fractaloid Attacks! is an arcade mix of pinball and brick breaker set inside a living digital world. Bounce, glide and blast through fractal caves, unlock powerful technologies, survive chaotic hazards and build your own collection of strange fractaloid creatures.
0Scrap Protocol
Play as S.C.R.A.P., an autonomous recycling robot, deployed to clean abandoned planets in this short incremental game. Destroy debris, collect scraps and convert it into usable resources. Optimize your systems through short, repeatable deployments.
0Fumpers: Dual Realms
Fumpers 2 delivers a chaotic platforming experience that tests your reflexes and patience. Stay alert through physics-based gameplay, surprising obstacles, and challenging levels. Don’t fall. Don’t quit.
0Jingjie: Signals
Jingjie: Reject grinding. Embrace chaos. Victory isn't won by memorizing formulas, but by scripting robust laws to tame the probability cloud. Here, you write the rules of nature. From simple logic, complex life emerges. Observe. Experiment. Evolve.
0The Long Drift
Build, upgrade, and watch your tiny universe evolve.
0Scavengers
A top-down open-world survival game, where you explore a hostile planet while trying to fix your spaceship and get back home. Fight, outwit and defeat the planet's wildlife to evolve and get stronger.
0PegLotto!
PegLotto! is a roguelike that combines slots, pachinko, and deck-building. Pick your items, place them on the board, and pray that luck is on your side! Sit back, enjoy the view from the train window, and ride the waves of fortune!
0Ironsphere
Top-down mech shooter with roguelike elements. Pilot a combat mech, fight relentless enemies, complete missions, upgrade skills, and buy weapons, armor, and devices. Procedurally generated levels, shops, and prices make every run unpredictable.
0Firepod-火力吊舱
Build the enemy lineup. Exploit monster death effects to create chain reactions that make the horde destroy itself. Customize your weapons as the keys that ignite them. Use limited resources wisely and survive endless enemies.
0Orbital Outbreak
A fast-paced action roguelite shooter set on spherical planets. Fight hordes of enemies on curved surfaces, extract resources, and push deeper into a fractured void where time and space are unstable. Master diverse weapons, build powerful synergies, and uncover the mystery at the heart of the void.
0《生命线：轨道》 (Lifeline: Orbit)
First step for humanity to leave the cradle. In "Lifeline: Orbit", take command of a vital orbital station. Manage life support and resources in the harsh vacuum to pave the way for colonization. You are the gateway to new worlds, guarding the final hope of human civilization.
0Capsule
Capsule is a co-op survival and building game set in space. Build your modular spaceship, land on planets, gather resources, and try to survive together with your friends against the dangers of space while uncovering the truth behind the destruction of your world.
0Psi Break
Uncover the dark truth of a ruined lunar colony in this isometric survival horror. As an amnesiac prisoner, wield devastating elemental powers to battle mutated horrors and solve puzzles. But beware: power comes at a cost. Manage your Sanity to survive, or let the madness consume you.
0Alpha Ceti TD
Classic Tower Defense meets space exploration. Build turrets on mining platforms, harvest enemies to build more defenses, and mine Dark Energy to travel the stars. As a sentient AI, you must upgrade your tech, scan planets, and find a new home for humanity before Earth fades away.
0DataFall
DataFall is a cyberpunk idle clicker where automated systems grind endlessly and boss encounters force you to take control when efficiency alone isn’t enough.
0Orbfall Reclaim the Planet
After a devastating alien invasion, the last survivors of humanity struggle to stay alive. While attempting to rebuild civilization, they face overwhelming alien forces that now dominate the Earth. But with the newly developed Orb Technology, humanity has one final chance to reclaim the planet.