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Best free Sci-Fi games
86 free-to-play Sci-Fi games, sorted by popularity.
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Free to playNeverness to Everness
Neverness to Everness is a gacha game that blends some GTA-style play with team-based combat.
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Free to playPhantasy Star Online 2 New Genesis
The legacy of Phantasy Star Online 2 continues a thousand years later!
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Free to playStrinova
A third-person tactical shooter that features the unique mechanic of allowing players to switch between three-dimensional and two-dimensional forms.
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Free to playThe First Descendant
A free-to-play third-person co-op looter shooter developed and published by Nexon.
ShooterPC
Free to playHalo Infinite
For the first time ever, a free-to-play Halo experience is available in the form of Halo Infinite’s multiplayer.
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Free to playSuper Mecha Champions
Super Mecha Champions is a PC port of the mobile anime PvP game from NetEease, featuring a variety of modes but focusing on battle royale.
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Free to playStormgate
A free-to-play science fantasy real-time strategy game in which humans and robots defend Earth from alien forces.
StrategyPC
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Free to playClosers
A free-to-play episodic anime beat-em-up developed by Naddic Games and published by En Masse Entertainment.
MMORPGPC
Free to playWar Robots: Frontiers
A multiplayer mech game set in a planetary system light years from Earth.
ShooterPC
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Free to playSpectre Divide
A 3v3 tactical shooter developed and published by Mountaintop Studios in partnership with former pro gamer shroud,
ShooterPC
Free to playTower of Fantasy
Tower of Fantasy is a 3D open-world RPG, anime-style sci-fi MMO RPG game with unique characters and beautiful open vistas!
MMORPGPC
Free to playRoller Champions
What if you could player roller derby, but in a more organized and less physically dangerous environment?
SportsPC
Free to playPlanetSide 2
A free-to-play open-world FPS that pits three factions against each other in a never-ending war.
ShooterPC
Free to playMetal War Online: Retribution
A high-speed multiplayer online concept car shooter game with racing elements!
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Free to playFoundation: Galactic Frontier
Isaac Asimov’s series brought to life in a massive real-time strategy RPG featuring crew management and galactic warfare.
StrategyPC
Free to playApex Legends
A free-to-play strategic battle royale game featuring 60-player matches and team-based play.
ShooterPC
Free to playWarface
A free-to-play multiplayer online FPS from Crytek, makers of the Far Cry and Crysis series of games.
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Free to playAlien Swarm: Reactive Drop
A free-to-play top-down tactical co-op expansion on the Alien swarm game and Source SDK.
ShooterPC
Free to playPhantasy Star Online 2
Welcome to ARKS, and elite task force searching dangerous planets for the corrupted Falspawn in Phantasy Star 2 Online, Sega’s popular, free-to-play sci-fi MMORPG.
MMORPGPC
Free to playAstro Empires
A text-based sci-fi strategy and diplomacy MMO Game in a persistent universe.
StrategyBrowser
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Free to playFallout Shelter
A free-to-play simulation game based on Bethesda Game Studios' popular Fallout franchise.
StrategyPC
Free to playDreadnought
A free-to-play combat flight simulator developed by Yager Development and published by Grey Box.
ShooterPC
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Free to playStar Trek: Alien Domain
A free to play browser based 2D strategy MMO set in the Stark Trek universe.
StrategyBrowser
Free to playStarColony
A free-to-play browser MMO strategy game that puts you in command of a rapidly growing city on a dangerous alien world.
StrategyBrowser
Free to playEntropia Universe
A 3D MMO Multi Virtual World Real Cash Economy Experience with RPG elements.
MMORPGPC
Free to playStar Wars: The Old Republic
A 3D sci-fi MMORPG based on the popular Star Wars universe and brought to you by Bioware.
MMORPGPC
Free to playSteel Legions
A free to play 3d browser based tank game with fast-paced tactical battles!
ShooterBrowser
Free to playQuake Champions
Quake Champions is a callback to the early days of the Quake IP, featuring the fast-paced action that made the IP popular over two decades ago.
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Free to playWarframe
A cooperative free-to-play third person online action shooter set in an stunning sci-fi world.
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Free to playDarwin Project
A free-to-play 10-player battle royale game set just prior to an impeding ice age.
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Free to playStarbreak
A Roguelike MMORPG with MetroidVania-style platformer gameplay! Castlevania and Metroid fans will love this game!
MMORPGBrowser
Free to playMechWarrior Online
A free-to-play PvP game that's a faithful adaptation of the popular MechWarrior strategy board games.
ShooterPC
Free to playUFO Online: Invasion
A free-to-play post-apocalyptic, turn-based tactical combat MMO developed by Bad Pixel.
MMORPGPC
Free to playBrink
A free-to-play first-person-shoot developed by Splash Damage and published by Bethesda Softworks.
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Free to playHolodrive
A free-to-play 2D multiplayer shooter developed by BitCake Studio and published by Versus Evil in which players play as customizable robots or "Dummys".
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Free to playAce Online
A free to play fast action 3D sci-fi MMO where players control space fighters jets.
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Free to playPaladins
A free-to-play team-based shooter developed and published by Hi-Rez Games, the creators of SMITE.
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Free to playUnfortunate Spacemen
Unfortunate Spacemen is a co-op multiplayer game about Shapeshifting with a Co-op Story Mode, lots of objectives and more!
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Free to playSpiral Knights
A massively multiplayer online role-playing game, battle monsters and collect treasures!
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