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.
Filters & Lists
DRAGON BALL GEKISHIN SQUADRA
DRAGON BALL GEKISHIN SQUADRA is Dragon Ball's first team-oriented free to play game.
Star Fire: Eternal Cycle
Star Fire is a love letter to classic arcade side-scrollers, reimagined with roguelite progression, modern action polish, and that “just one more run” itch. It’s fast, punchy, and all about no-pressure fun with tight combat, slick movement, and endless ways to cause chaos.
Daemon X Machina: Titanic Scion
Feel the exhilaration of fast-paced combat in your fully customized armored suit as you freely explore a deadly and dangerous world on land or in the air. Take on titanic boss battles with alone or with up to two other friends in online co-op!
Cronos: The New Dawn
A whole new breed of survival horror emerges with Cronos: The New Dawn. Survive the brutal wastelands of the future, fight nightmarish merging creatures and jump back in time to harvest souls as you seek to uncover the origins of the apocalypse that wiped out humanity.
Kemono Teatime
Relax in the world of Kemono Teatime, where animal ears are a normal part of everyday life. Here in Melodius, you can whip up whatever blends of tea you desire in your favorite cafe as you play through an adorable story. Come now and live out your bestest and cutest life—down to the last drop.
METAL EDEN
An adrenaline-rush sci-fi FPS. A HYPER UNIT ASKA is sent on a suicide mission to rescue citizens' COREs from MOEBIUS, an orbital city turned into a deadly trap. Dive into cybernetic warfare, face the ENGINEERS, and uncover the secrets of METAL EDEN.
INCISION
All old-school FPS action. No Bullshit. Lots of blood & gore. Slaughter your way through nightmarish industrial mazes, transformed cityscapes and surreal alien structures to cut down the Growth in this ultraviolent, fast-paced, and merciless retro-styled first person shooter.
SUPER ROBOT WARS Y
Super Robot Wars is a grid-based tactical combat RPG that brings units and pilots from a variety of anime together to battle their mutual foes. Rise, Unite, and Triumph!
VOID/BREAKER
Dynamic and challenging Roguelite FPS 🔴 Fight relentless machines driven by a hostile AI. Escape an endless cycle. Craft infinite weapon variants with deep gun modding. Forge deadly synergies. Carve your way out through enviro destruction /BREAK THE SYSTEM /BREAK FREE
Stellar Code
Mysterious phenomena from space. A researcher's fatal accident. Cryptic codes engraved on an unknown material. Together with your brilliant sister-in-law, you must unravel a mystery that could determine the fate of Earth. A sci-fi mystery visual novel of discovery and suspense.
Whispers from the Star
Save a stranded astronaut on a mysterious alien planet through real-time AI conversations, where your words are her only lifeline. Guide her through Gaia's dangers and forge an enduring bond in this interactive story with voice-controlled, open-ended dialogue.
Warhammer 40,000: Dawn of War - Definitive Edition
Warhammer 40,000: Dawn of War - Definitive Edition is the ultimate Dawn of War experience, featuring the original Dawn of War and all its expansions, along with enhanced visuals, an improved camera, and 64-bit platform support.
Relic Hunters Legend
A Top-Down Shooter/Looter RPG with a touching story inspired by JRPG classics. Shoot enemies, get loot, and customize your characters. Multiple endgame systems and over 100 hours of play await you solo or up to 4-player co-op!
The Bazaar
The Bazaar is a fast-paced multiplayer Roguelike where every run is a new puzzle. Choose from unique heroes, uncover powerful combos, and outwit your opponents in a dynamic, ever-changing marketplace. Play at your own pace while discovering endless ways to win.
Deadzone: Rogue
Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.
Galaxy Idle Clicker
Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe!
ERA ONE
Era One is an innovative space game that combines elements of real-time strategy, base building, space survival, and tactical battles. Players can create and customize their bases from scratch, construct various types of structures and warships, manage fleets, and engage in tactical space battles.
Gatekeeper
Gatekeeper is a fast-paced rogue-like. Go on a quest to chase down Chaos and reclaim the stolen Heart of Time, fighting your way through relentless enemy forces. Play solo or in 4-player co-op and become the next Gatekeeper!
No Sleep For Kaname Date - From AI: THE SOMNIUM FILES
Iris has been abducted by aliens?! Finding herself on board a mysterious UFO and tasked with completing a bizarre escape game, Iris knows there's one person who she can always count on for help: Kaname Date, Psyncer!
Wildgate
Wildgate is a crew-based PVP multiplayer shooter that blends tactical ship-to-ship combat with fast-paced first-person action. Evade deadly environmental hazards, search for powerful weapons and ship upgrades, and be the first crew to escape with the Artifact... or the last crew left flying.
Abiotic Factor
Abiotic Factor is a survival crafting experience for 1-6 players set in the depths of an underground research facility. Caught between paranormal containment failure, a military crusade, and chaos from a dozen realms, the world’s greatest minds must survive against the universe’s biggest threats.
Drill Core
Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival?