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
Rain of Reflections: Set Free
Rain of Reflections is an atmospheric, dystopian adventure game with exploration and deep character interactions. Its turn-based strategic confrontations are uniquely centered around a motivation mechanic.
Neo Cab
A visual novel about emotional survival in an automated world. Play as Lina, the last human cab driver. It’s your first night driving the lonely streets of Los Ojos, and your best friend has just disappeared. Stay on the road. Stay on the search. Stay human.
Ciconia When They Cry - Phase 1: For You, the Replaceable Ones
This is the first chapter in newest entry When They Cry visual novel series produced by Ryuukishi07. It features HD graphics, more detailed animations, and newly created songs by many of the composers from Umineko, as well as several new additions.
YU-NO: A girl who chants love at the bound of this world
Takuya Arima receives a package from his supposedly deceased father. It contains the mysterious Reflector Device which allows the user to travel between parallel worlds. Takuya must unearth the mystery of his father's legacy to prevent a calamity threatening to envelop reality itself.
Spaceland: Sci-Fi Indie Tactics
Incredibly dynamic turn-based strategy, reviving the traditions of the old school tactics. Lead a team of the most desperate fighters, destroy alien monsters and uncover the secrets of the lost planet.
Infinity: Battlescape
Infinity: Battlescape is a multiplayer space combat sim supporting hundreds of players on a single server. Join one of the corporate factions and fight for domination of a seamless, true-to-scale procedural star system. Participate in massive space and planetary battles involving hundreds of ships.
The Surge 2
In a bid to survive, explore the sprawling, devastated Jericho City. Fight ferocious threats in brutal, unforgiving combat, slashing and tearing the limbs off your opponents to steal their equipment.
Crying Suns
Crying Suns is a tactical rogue-lite that puts you in the role of a space fleet commander as you explore a mysteriously fallen empire. In this story rich experience inspired by Dune and Foundation, each successful run will uncover the truth about the Empire... and yourself as well.
AI: The Somnium Files
Play as detective Kaname Date on the case of an elusive serial killer in this thrilling, sci-fi murder mystery.
Nauticrawl
A stolen, enigmatic machine is your only way out. It's likely to kill you, but so will the hostile planet you're escaping. Pull levers, hack devices, and puzzle out how to pilot the Nauticrawl to freedom in this unusual atmospheric adventure... or die trying.
M.A.S.S. Builder
Commander, customize and build your Mechanical Assault Skeleton Suit (M.A.S.S.) and lead the fight against an alien invasion bent on exterminating the human race. The fate of humanity is in your hands.
Siege of Centauri
Defend against thousands of enemies in this explosive tower defense game. Deploy upgradable towers and unleash powerful orbital abilities as you try to protect Earth's first colony world from destruction.
Pesterquest
Embark on a quest of epic importance in Pesterquest, a grimsical episodic visual novel adventure set in the darkly funny Homestuck / Hiveswap universe, created by American author and artist Andrew Hussie.
FINAL FANTASY VIII - REMASTERED
The mega-hit RPG, FINAL FANTASY VIII returns! This Steam® version features new graphical enhancements and a whole host of options to customise your gameplay experience.
Serious Sam Classic: The Second Encounter
Serious Sam Classic: The Second Encounter is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month February 2002!
Serious Sam Classic: The First Encounter
Serious Sam is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Year 2001!
Serious Sam Classics: Revolution
Serious Sam is a high-adrenaline arcade-action shooter heavily focused on frantic action. In a world where cyberpunk meets fantasy-fiction and advanced technology is mixed with black magic and psycho-powers, Sam travels through four beautiful worlds, confronting countless foes on his way to Mental's base.
Westworld Awakening
“Westworld Awakening” is a narrative-driven experience played from the perspective of Kate – a host who has attained self-awareness. To survive a dangerous underworld where no one and nothing is what it seems, you must overcome an entire world designed to destroy and enslave you.
Ion Fury
3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, are excited to team up with Voidpoint to bring back the legendary Build Engine, famously known for classic first-person shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Ion Fury is the real deal!