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

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Psi 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.

Alpha 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.

DataFall

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.

Orbfall 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.

Qelochia

On a secret arctic research base, a scientist, soldier, AI, and eldritch beast struggle for happiness. A short visual novel about love and pain set in an alternate history where humanity is ruled by eldritch gods.

Assault On Sector 12

A turn-based, squad-focused tactical defense game where your squad holds the line against advancing enemy waves.

Cybro

Government gig becomes personal. Return to a corrupt city on a contract to recover stolen software, only to uncover a conspiracy. Fight back with guns, stealth, hacking, and raw action as betrayal hits close and escape becomes the only way out.

Aurora Protocol

Move in with a family friend, the missing owner of Artimus Corp, a tech mega-conglomerate. As androids act strangely and your dreams unravel, uncover the truth of your past in this adult cyberpunk visual novel where choices shape relationships and a growing harem.

LevelFighters

LevelFighters is a competitive two-player platform game in which each player designs a level and then challenges the other to complete it faster. The mechanics combine creativity and pure skill, making each game unique and fun.

Cosmic Anchor

Cosmic Anchor is a post-apocalyptic puzzle game about bending the laws of gravity, black holes and causality to your will. Exploit the emergent nature of the universe, and escape the intricate test-chambers together.

Binary Breach

One player navigates high-speed 3D parkour while the other overrides physics and hacks the environment to clear the path. Team up to breach an ultra-secure crypto wallet. Speedrun the infiltration to maximize your time in the extraction phase and secure the ultimate payout.

SubPrime Delivery

Drag & Drop Various Action Blocks to Guide The Robot to The End of The Level!

The Velan Reach - Book One: An Unbroken Line

An adult steampunk Visual Novel where you take on the role of a scientist joining a mission of discovery and wonder. Travel to strange new worlds and get to know your traveling companions (quite intimately so in some cases).

lewd control

Moderate a fictional social media app. Approve or reject posts based on platform policies, avoid mistakes, and navigate workplace Relationships.

Prison Breaker

Dodge, charge, and destroy! In this prison attack challenge, it's you versus the obstacles standing between you and the ultimate goal: smashing the prison to bits. Ready to break some walls? Let the mayhem begin!

Mortal Mythos: Island of Fairies

Dodge waves of bullets in cover shooter + shmup-inspired combat, as you strike back with powerful attacks of your own! Use clever cover spots to gain an advantage over your enemies, find treasures to make yourself stronger, and avoid taking damage to raise your score!

Gravscape

One button. Infinite momentum. Gravscape is a fast 2D arcade platformer - attract to planets, release to free-fall, chain swings through hazards. Master 8 planets, clear 25+ handcrafted levels, and chase high scores in Infinite and Roguelike modes.

Rebellious Takeover

Rebellious Takeover is a cyberpunk/sci-fi 3D Beat-'Em-Up & Visual Novel hybrid about taking down an evil corporation, Veritas Industries. Join Deren & his chaotic team of rebels as they hack, slash, & banter their way through the cyberpunk city of Nexon. Reclaim what was lost. Reclaim Nexon.