Sci-fi Games
Discover 17733 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17733 games tagged with sci-fi
0Guns of Gaia
Take back your planet from alien invaders! Guns of Gaia is a game that blends survival and base-building elements. Use biotechnology to alter the landscapes, build defenses, set traps, and deploy bait. Nurture creatures, unlock equipment and weapons. Defeat your enemies and conquer your planet!
0Automated & Self Sustained
Coop rogue-like extraction shooter about self-sustained modular drones on sphere shaped alien-full planet. In this game you will maintain workability of mothership and drones by recycling anything that is not attached to floor.
0TurretFall
TurretFall is a fast-paced roguelite tower defense game. Build and manage your base, collect powerful upgrades, grow your economy, and survive relentless waves of enemies and challenging bosses.
0Void Vanquishers
A fast-paced, intense top-down bullet hell action experience with a sci-fi aesthetic. As a protector of light, you must build your arsenal of weapons, abilities, reflexes, and wits as you slowly transform into an unstoppable force to survive through waves of monsters and demons from the void.
0Project Lexa
Project Lexa is a sci-fi language mystery. Crash-landing on a mysterious planet, you find that everything is written in an alien language. Use your handy translator to decipher unknown glyphs, explore a strange world, and – hopefully – return home.
0A Gravity Conspiracy
A Gravity Conspiracy is a FPS/3D Bullet-Hell game with dynamic gravity. Fight like hell on all surfaces in an intense single player campaign.
0Gearo Shard
Gearo Shard is a survival rogue-lite where you play as a lone robot head, defeating swarms of enemies and scavenging for parts to survive in the uncharted depths of the cosmos.
0Project Chameleon
Shape-shift into objects to go unnoticed by your enemies while carrying out stealth missions around the world. Manipulate environmental objects, set traps, and use gadgets like a true spy.
0Meat Gone Wrong
Grab your fire-axe and smash your way out of this fast-paced shooter, ultra-violent graphic-novel inspired underworld where raging mutants, marauding mechs and menacing monsters prowl the darkness ready to tear you limb from limb!
0Prism
A visual novel about the mind, change, and being locked up.
0Pavu
Pavu is an action RPG with lots of exploration and challenging combat. You’ll explore a dystopian world where nature and technology coexist in harmony, until the arrival of Kurumi, the last human.
0THE IRONY
You are a nameless mercenary, dispatched to the research facility 'UNDERDOG CORP.' Survive the horrors of this dangerous facility, twisted by human experimentation, and uncover the hidden secrets within before they consume you.
0Navigator
A casual puzzle game of "Mysterious Galaxy". Plan the movement path and unseal the stars. Experience a variety of mechanisms and challenges in galaxies with different themes. Use your wisdom to overcome difficulties and witness the reappearance of ancient constellations!
0Exertion
Classic arcade shooting meets Survivor-style progression in this side-scrolling action roguelite. Draft powerful cards, discover game-breaking synergies, and unleash bullet hell upon hordes of enemies. Die, upgrade your stats, and return to the arena to become the ultimate weapon.
0MARS: The Last Exodus
Survival is temporary. Legacy is forever. Rule the last colony on Mars in this RTS x Colony Sim. Build domes for colonists as they harvest crops to survive, and command Mech armies against endless Marsect swarms. With hostile enemies and climate threatening your expedition, every choice matters.
0SkyRig
Build floating automated rigs in a volatile gas giant. Extract elements, synthesize compounds, and descend through atmospheric layers in this sci-fi systems-builder focused on chemistry, engineering, and survival.
0Frame Data: Mech Arena
A fast paced, one on one, mecha arena fighter, where you're pitted against an array of unique and opposing mecha called Frames. Movement is crucial for victory in the arena and so is your choice in weapons and abilities, that show your true potential as a Frame pilot.
0SCAVENGER ZERO
RESTORE HOPE IN A HOPELESS WORLD. Fight hordes of enemies, make choices, and decide the fate of the universe.
0Songs of Solace
Defeat enemy monsters in melee combats , explore the maps, and trade in items shop in this ACTION RPG game. The hero wakes up in a state of amnesia and must divine the truth about himself and his true calling and must find his way back to his true home. Destroy the evil forces and free the lands.
0Rainchaser
A single pilot named Alice is sent on a mission to retrieve a stolen magical artifact.