Sci-fi Games
Discover 17691 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17691 games tagged with sci-fi
0Autothysis
Autothysis is a first-person tower defense game where strategy meets precision. Deploy turrets, manage resources, and fight swarms of insectoid enemies. Target weak points to shatter foes while upgrading defenses to survive escalating waves. Can you withstand the oncoming horde?
0Little Voyagers: Study Sessions
Build and decorate your cozy starship, solo or with friends. Study, chill, and play mini-games together in a relaxing pixel-art shelter among the stars. Pick the lighting, the design, the colors, and decor for the perfect mood for any interstellar journey.
0Struggle Weapon Girl
Struggle Weapon Girl” is an action game in which the player runs around a city in the near future and kills a large number of enemies. Running up buildings, jumping down to the lowest level of the city, and everywhere else becomes a battlefield.
0Arcana
A free pixel-art roguelike deckbuilder with CCG-style combat. Collect over 130 cards, build strategic decks, and battle your way through a sci-fi fantasy world.
0Angels with Scaly Wings™, Part 2: The Strands of Fate
4 years after the events of Angels with Scaly Wings, humans and dragons co-exist in a society built from the remains of a broken world. A new threat looms on the horizon. Re-discover this unique setting and lead an investigation in this compelling sci-fi visual novel with dating sim elements.
0Space Rocks in Space
Blast into the chaos of Space Rocks in Space, the ultimate 3D space flight adventure. Pilot customizable ships, explore stunning worlds, and battle through asteroid storms, UFO attacks and endless missiles barrages in this retro arcade odyssey.
0Resort Galactica
Welcome to Resort Galactica, a hotel simulator set in space where you design, build, and manage an extravagant resort among the stars. Care for your guests based on each species' individual needs. Expand your hotel with restaurants, leisure centres, and entertainment floors.
0Gravitus
Enter a massive battlefield where two teams clash over resources, strategy, and firepower. Start as infantry, pilot hover tanks or flying pods, and unleash laser-based combat in a sci-fi warzone reminiscent of classic space battles.
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.
0Defracted
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.