Hidden Sci-fi Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated sci-fi games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Sci-fi games on Steam.
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Prosperous Universe
In Prosperous Universe start your galactic empire by trading on the real-time market exchange with other real players. Build your 1st base from humble beginnings & watch as your business flourishes with complex supply chain strategies. Economics, politics & realism fuel this immersive business MMO.
Assault Bots
Assault Bots is a fast-paced multiplayer robot shooter game. Create your robot, let it drive, walk, or fly, and battle other players online in this intense shooter. Game features multiple maps and game modes.
Athanasy
Deep beneath the surface of the dead Earth, the City, the last refuge of humanity, hides. Engineering genius and efforts of all mankind; a giant structure of steel, concrete, and biopolymers. It keeps the remnants of civilization one step away from total extinction.
FixFox
Arriving on a curious planet, Vix and her toolbox Tin explore space, fixing machines with unconventional tools and eating cozy meals with kind robot locals. On an epic adventure, the duo repairs an interstellar beacon, constructs giant mechs, and unravels a cosmic mystery that transcends existence.
For The Warp
A roguelike deckbuilding game in space! Explore randomly generated systems, enemies and strange encounters. Build your deck, survive and reach For The Warp gate!
Orbital Bullet – The 360° Rogue-lite
Orbital Bullet is a fast paced 360° action-platformer with rogue-lite elements, where all actions take place in a circular pattern. Fight your way through a variety of procedural planets and use body modifications, crafting and heavy weaponry. Kill. Die. Modify.
9-nine-:NewEpisode
Enjoy short after stories for the heroines of the 9-nine- series in 9-nine-:NewEpisode!
Neon Sundown
Neon Sundown is an extremely challenging arena-shooter that mixes fast-paced action with roguelite elements. Take on increasingly difficult arenas as you unlock new ships, upgrades, synergies, and more! Think you have what it takes to survive?
Cyanotype Daydream -The Girl Who Dreamed the World-
Kaito wakes to find himself in a strange room, with no memories, and a taciturn girl named Yonagi by his side. Upon learning of his role, he immerses himself into three wondrous dream worlds with her. When all three stories meet a bitter end, Kaito recovers his memories, and the true story unfolds.
Model Builder: Complete Edition
Become a master model maker in the Complete Edition of this beloved crafting simulator, featuring all DLCs. Assemble, customize and display your creations, whether you’re a veteran or a novice. Get building, and get creative!
Solargene
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
VOCÊ É UM DEFUNTO MECÂNICO
Baleado até a morte, você é um defunto mecânico se lembrando de como morreu, e das vidas torturadas que agora ficam para trás. Uma aventura em prosa para 20 minutos de pavor existencial no presente pós-singularidade.
Heaven Dust 2
Deep inside a research base, waking up from a cryogenic pod, you find yourself trapped in a living hell, surrounded by zombies. Heaven Dust 2 is a love letter to classic survival horror games featuring exploration, action, puzzles, and resource management.
Blind Fate: Edo no Yami — Dojo
Dive into a world that mixes Sci-Fi and ancient tradition. Slash through robots with a trusty katana, use hi-tech implants to navigate the surroundings, dodge enemy attacks, and land devastating finishers. Reclaim the past following the way of the Japanese samurai in the fantastic period of New Edo.
Wolfstride
Get wrecked in this immature grown-up RPG about a trio of troublemakers stumbling their way through a giant mecha tournament. Repair and upgrade the team’s hand-me-down rig, pick up odd jobs to pay the bills, and battle the best-of-the-best all while running from the regrettable choices of the past.
Crimzon Clover World EXplosion
Prepare yourself for an insatiable rain of bullets, bombs, and beams in Crimzon Clover. Earn all the power-ups for an overpowered experience in the all new ARRANGE version.
The Savior From Above
A sidescrolling 3D adventure shortgame that combines multiple genres and features various action and puzzle sequences. Its artistic approach is supported by powerful visuals, intense atmosphere and a unique game narrative on the boundaries of science-fiction and fantasy.
Deep Space Battle Simulator
Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter!
Saimin Gakushū: Secret Desire
Saimin Gakushū is a school adventure visual novel by popular Japanese developers Dark One! Soichi Akano acquires a sleep-learning machine through a dubious online shopping site, and plans to imprint his knowledge on the female students and teachers at his school.
Terraformers: First Steps on Mars
Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling the Red Planet.
They Always Run
Become Aiden, a three-armed mutant who hunts the most dangerous bounties in the galaxy. Catch, slice, dice and destroy enemies in this exciting 2D platformer with a space-western setting.
Chasing Static
A psychological horror short story. Explore the untouched wilderness of rural Wales as you uncover the forgotten remains of a mysterious facility and find the truth behind the missing villagers of Hearth.