Best 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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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?
ANNO: Mutationem
ANNO: Mutationem is an action-adventure game with RPG elements set in a cyberpunk world, featuring a unique mix of pixelated 2D & 3D graphic style with a rich, dark and bizarre plot.
Hyperbolica
Hyperbolica is a whimsical Non-Euclidean adventure with mind-bending worlds full of games, puzzles, mazes, and secrets! Immerse yourself in reality-warping geometries where lines can never be parallel, horizons are curved, and space grows exponentially.
Distant Worlds 2
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Warhammer 40,000: Battle Sister
Welcome to the grim darkness of the far future! Experience the war-torn universe of Warhammer 40,000 brought into jaw-dropping, visceral reality for the first time in VR. Immerse yourself in a gripping, action-filled story spanning the galaxy.
Spaceflight Simulator
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
NEBULOUS: Fleet Command
Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.
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
Gunvolt Chronicles: Luminous Avenger iX 2
Break into the new apeX of 2D action! INTI CREATES is proud to present new apeX of cutting-edge 2D action with Luminous Avenger iX 2!
Serious Sam: Siberian Mayhem
Serious Sam: Siberian Mayhem is a new stand-alone expansion to the world of the classic FPS series. Join the fight against Notorious Mental on a journey through the wild lands of Russia, and find your way through this lost chapter of Sam Stone's adventures.
Hidden Deep
Hidden Deep is an atmospheric sci-fi action game heavily inspired by Aliens, The Thing, and Half-Life. Explore, climb, swim, scan, blast and shoot your way through dangerous missions in a huge sub oceanic mining and research facility. Fear the horrors that lurk below…
Blade Assault
Blade Assault is a 2D action rogue-lite platformer with beautiful pixel art set in a desolate sci-fi world. Fight against the corrupt military of Esperanza as part of the resistance force of the Undercity. Bring the corrupt to justice by becoming stronger and fighting alongside your trusty comrades.
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.
Frontier Pilot Simulator
FPS is a Sci-Fi cargo pilot sim, with an engaging emergent mission-driven storyline, with a real-time economy with free flight and trading, on an alien world to explore. All in customizable upgradeable, well-simulated VTOL craft with real weather, and flight dynamics.
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.