Sci-fi Games
Discover 17705 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17705 games tagged with sci-fi
0GalactiBus
GalactiBus is an online co-op bus driving simulator set in a wacky alien world. Team up as up to 4 players with friends or strangers. Keep the bus running, deliver your passengers “safely” and eliminate all threats along the way in this cosmic journey doomed to be disastrous.
0ZOOM
ZOOM is a fast-paced silly FPS with strategic gun and skill swapping. Play as an FBI (Feeding Beasts Intelligence) Agent and navigate zoo exhibits to satiate the hunger of the animals and stop their angry uprising with your special food gun!
0Machine Of The Damned
Machine Of The Damned is an FPS adventure where you must fight waves of the horde controlled by an entity from an unknown realm. Somehow, someway, the damned can control machines, and it plans to spread its army.
0The Last Resourcer
Survive a hostile world with your droid. Build your base, automate with robots, and manage the energy that keeps you alive. Beware. The tech you rely on may save your life – or destroy it.
0Forgotten Signal: Portal
Open the portal with your teammates to defeat enemies. Use each character’s unique abilities to apply the right tactics, stop enemies, and repair the generator to activate the portal.
0Rixa
Team up with friends as a melee enjoyer or use unethical ranged abilities to fight the alien menace in this Sci-fi meets Fantasy MMORPG. That's right.. SCI-FI MMORPG!! Explore the planet of Rixa using a unique NanoBot ability system and a host of weapons at your disposal. For the Queen!!!!
0SPACEROCKS
Mine asteroids, find rare loot, upgrade & modify your ship, build space factories, and destroy your enemies!
0PRISMIDIA: Spirit of the Rift
PRISMIDIA: Spirit of the Rift is a sci-fi shoot 'em up game in the style of arcade classics. Dodge barrages of attacks, survive bullet hell bosses, and save Prismidia!
0Warp Knights
Warp Knights is a 3D tower offense strategy RPG set in a sci-fi world. As the returning Commander, you awaken to operatives inspired by your legend — brave, loyal, and ready to fight. Lead them through tactical battles where timing and terrain decide fate and reclaim the future you once fought for.
0Time Takers
Time is your resource to stay alive or to grow your strength. Gather it, use it strategically, and survive intense combat. No fixed roles—every match is built on your choices in Time Takers.
0TerraTech Legion
Build the ultimate battle vehicle and rage against the machines in a chaotic Bullet Heaven Builder. Master a deep, block-based vehicle-building system to survive an army of robotic foes driven by a crazed AI, ramming them at speed and shooting infinite projectiles.
Defracted
Defracted - The world is set in a fictional sci-fi realm where 2 teams are at war with each other over prosperity in a virtual reality game created by an alien civilization.
0Sorry for Intruding
YOUR MISSION : Intrude upon a randomly generated high security research facility. Don't make a sound, don't be seen, maximise stealth! Use handy gadgets to sneak in, bypass guards, find the key, unlock the machines and defeat the boss! Don’t get captured! The fate of the world depends on you!
0FAR FRESNEL
FAR FRESNEL is an exploration game where you descend into the abyss of a distant planet aboard an ancient elevator system. As you venture deeper into this forsaken world, you'll uncover the secrets of the previous expeditions.
0Critter Cosmos
A cozy 3D adventure where you play as a Capybara Astronaut, hopping from planet to planet, befriending cute animal pals, saving communities, and building a new home together.
0Super Starship
A futuristic sci-fi persistent universe exploration game with one million stars and 18 million planets and moons. Fly your ship to any star and explore its solar system. Claiming stars, planets and moons will make them yours forever - other players will see your discoveries and you will see theirs.
0Doughby
Doughby, a little donut with big dreams is on a mission for his confectionery kin: to gather the rarest, strangest, most sought-after objects from across the whimsical world of Torlo.
0Zombie Scars: Ashen Dawn
An open world zombie survival game that can be played cooperatively with up to 5 players to hunt for resources, create items, and also has vehicles to drive. Beware of zombies that have different dangers. Eating and drinking are also important. Eating unclean food can cause infection.
0IZEA:10puzzle Rogue-Lite RPG!
"Make 10 is mightier than the sword!" IZEA is a fresh strategic battle game that fuses “Make 10” × Puzzle Calculation × RPG × Roguelite. Use number cards and arithmetic operators to calculate the enemy’s designated Weak Number and fight your way to victory!
0Kanka
Kanka is a sci-fi multiplayer Action RPG! Team up with your 'Kankas' (buddies) for intense Third-Person Shooter combat in a universe waiting to be explored. Early development - join our journey!