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Sci-fi

Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant planets. 

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sci-fi

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Top rated
with server-based network multiplayer tagged Sci-fi (65 results)

65 results

Explore games with server-based network multiplayer tagged Sci-fi on itch.io. Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant plan · Upload your games with server-based network multiplayer to itch.io to have them show up here.

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OpenHV
Open Source Pixelart Sci-Fi Real Time Strategy Game
OpenHV developers
Rated 5.0 out of 5 stars
(15 total ratings)
1 – 63
Strategy
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StellarDrive (alpha)
Build spaceships and explore the cosmos
Curious Owl
Rated 4.8 out of 5 stars
(27 total ratings)
1 – 4
Simulation
GIF
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AstroBrawl
AstroBrawl is a 2D multiplayer fast-paced shooter in space
papacorps
Rated 4.7 out of 5 stars
(13 total ratings)
1 – 4
Action
Play in browser
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Fly Dangerous
6dof high speed, extremely high skill ceiling racing
Juki
Rated 4.6 out of 5 stars
(12 total ratings)
Racing
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Star Defenders 3D
Multiplayer arena-like first-person-shooter in generated destructible voxel worlds.
Eric Gurt
Rated 4.2 out of 5 stars
(23 total ratings)
1 – 8
Shooter
Play in browser
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Bionic
Free multiplayer FPS for web browsers.
mattlawr
Rated 4.9 out of 5 stars
(7 total ratings)
1 – 8
Shooter
Play in browser
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OGame
Conquer the universe
Gameforge
Rated 4.0 out of 5 stars
(21 total ratings)
1 – 255
Strategy
Play in browser
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Lew Pulsipher's Doomstar
The hidden unit board game of strategy and cunning
LargeVisibleMachine
Rated 4.0 out of 5 stars
(27 total ratings)
Strategy
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HONOR++
Movement Based Sword Fighting PVP
GruelScum
Rated 5.0 out of 5 stars
(6 total ratings)
1 – 16
Action
GIF
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Battle for the Galaxy
Breathtaking strategy game with astonishing graphics and gameplay. Fight for rights in the Battle for the Galaxy now!
AMT Games
Rated 3.6 out of 5 stars
(16 total ratings)
Strategy
Play in browser
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AREA 51
The conspiracy is no longer a theory.
midwaygames
Rated 4.6 out of 5 stars
(5 total ratings)
Shooter
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Rogue Star Rescue
$14.99
A unique mix of bullet hell roguelite shooters and tower defense games.
chuteapps
Rated 5.0 out of 5 stars
(4 total ratings)
1 – 2
Action
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Gravity Combat
zero gravity arena shooter
School for Games
Rated 5.0 out of 5 stars
(4 total ratings)
Action
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Quantum Engineering
Deploy to a distant moon to construct futuristic factories and harvest dark matter.
Droog71
Rated 4.4 out of 5 stars
(5 total ratings)
1 – 2
Simulation
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Dinogen Online
Top-down dinosaur shooter with intense multiplayer action. Play as a human or dinosaur in objective-based game modes!
Wilkin Games
Rated 4.8 out of 5 stars
(4 total ratings)
1 – 32
Shooter
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Galactic Era
An online multiplayer strategy game
zclnzy
Rated 4.8 out of 5 stars
(4 total ratings)
Strategy
Play in browser
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DROSS // DEMO
A Co-Op Xeno-Horde Procedural Rogue-like
SALT_
Rated 4.8 out of 5 stars
(4 total ratings)
1 – 2
Shooter
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Exocraft
Design unique ships and grow the ultimate space mining fleet as you battle for riches and glory in an alien wasteland.
goldfire
Rated 4.8 out of 5 stars
(4 total ratings)
Action
Play in browser
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SCP: Area-42
Multiplayer SCP game that takes place in Area-42
BreakfastBoii
Rated 3.5 out of 5 stars
(10 total ratings)
Action
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War of the Worlds (Legacy Version)
Martian invasion survival project
Team Green
Rated 4.2 out of 5 stars
(5 total ratings)
Survival
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Starfall Tactics
Starfall Tactics is a free to play, MMO real-time space wargame that mixes tactical combat with in-depth customization.
Snowforged
Rated 4.5 out of 5 stars
(4 total ratings)
Strategy
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JAMIR
Sci-fi Shooter
Mert
Rated 5.0 out of 5 stars
(3 total ratings)
Shooter
Play in browser
GIF
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Cactus (Prototype)
Stealth Game Prototype
EPICGameGuy
Rated 4.3 out of 5 stars
(4 total ratings)
Shooter
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Starborne: Sovereign Space
Free-to-play SciFi MMORTS for PC.
Solid Clouds
Rated 4.7 out of 5 stars
(3 total ratings)
Strategy
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Apsis Online: A Multiplayer Roguelike
A multi-user roguelike in space!
Faction 504
Rated 4.7 out of 5 stars
(3 total ratings)
Role Playing
GIF
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BEATS TO KILL TO
A competitive third person shooter / rhythm game set to only the hardest rave bangers
Ironsilk Games
Rated 4.3 out of 5 stars
(3 total ratings)
1 – 8
Shooter
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NEO: The Game
5.99€
Evolves from Medieval age to the Spatial Age - Online!
Orion Game Studio
Rated 5.0 out of 5 stars
(2 total ratings)
1 – 255
Strategy
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MannaWars
$3.99
Space Battle Game - Fight among the stars for the gods of the universe!
Drunken Angel Entertainment
Rated 5.0 out of 5 stars
(2 total ratings)
Shooter
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Rise: The Vieneo Province
Online multi-player game in development... huge persistent sandbox world where you can help colonize the planet!
unistellar
Rated 5.0 out of 5 stars
(2 total ratings)
Simulation
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Regain Earth: First Strike Demo
Take the challenge of surviving waves of increasingly difficult evil mutants! Grab a friend to hunt and slay them.
TheFlow - Regain Earth
Rated 5.0 out of 5 stars
(2 total ratings)
Shooter
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Invicta Vitae
Whether you are fighting for your life or chasing after your meal, only one comes out alive.
Iugales23
Rated 5.0 out of 5 stars
(2 total ratings)
Survival
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Alien Garden
Alien Garden a free to play, fast paced MMO with 16 bit worlds and bullet hell elements.
Aldé Roberge
Rated 4.5 out of 5 stars
(2 total ratings)
1 – 200
Survival
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Alien Empire
Compete for resources in a crowded galaxy!
Zebbeni
Rated 3.5 out of 5 stars
(4 total ratings)
1 – 4
Strategy
Play in browser
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Ganymede Gate (deprecated)
Sci-fi single and multi player Roguelike on the Jupiter moon
Vicious Robot Rodent
Rated 4.5 out of 5 stars
(2 total ratings)
Role Playing
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Project Void
A spiritual successor of Hidden Source.
Nonlin
Rated 3.7 out of 5 stars
(3 total ratings)
Shooter
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Astro Lords: Oort Cloud
Cross-platform MMO 3D strategy with combat management in real time. A combination of space simulator, strategy and RPG
Astro Lords Dev
Rated 3.7 out of 5 stars
(3 total ratings)
Strategy
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