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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

Space

The larger universe outside of Earth's atmosphere. Sometimes really, really far outside of it.

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Top free
for Windows with server-based network multiplayer tagged Sci-fi and Space (24 results)

24 results

Explore games for Windows with server-based network multiplayer tagged Sci-fi and Space on itch.io · Upload your games for Windows with server-based network multiplayer to itch.io to have them show up here.

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StellarDrive (alpha)
Build spaceships and explore the cosmos
Curious Owl
1 – 4
Simulation
Fly Dangerous
6dof high speed, extremely high skill ceiling racing
Juki
Racing
GIF
AstroBrawl
AstroBrawl is a 2D multiplayer fast-paced shooter in space
papacorps
1 – 4
Action
Play in browser
Quantum Engineering
Deploy to a distant moon to construct futuristic factories and harvest dark matter.
Droog71
1 – 2
Simulation
Starfall Tactics
Starfall Tactics is a free to play, MMO real-time space wargame that mixes tactical combat with in-depth customization.
Snowforged
Strategy
Starborne: Sovereign Space
Free-to-play SciFi MMORTS for PC.
Solid Clouds
Strategy
Ganymede Gate (deprecated)
Sci-fi single and multi player Roguelike on the Jupiter moon
Vicious Robot Rodent
Role Playing
Invicta Vitae
Whether you are fighting for your life or chasing after your meal, only one comes out alive.
Iugales23
Survival
Guiding Light
A co-op puzzle game
Corner Office Games
Puzzle
Galactic Journey
Will you be able to fix the ship before it reaches the sun ?
Marine Millot
1 – 3
Survival
ARBITRARY COMPLEXITY
A coop multiplayer game about trouble shooting connected systems on a space ship.
pfirsich
Puzzle
Project Starfighter
Tachyon Five
Shooter
Chyss
shamanforest
Card Game
Stellary - Planetary Defense Organisation
Defend your planet against stellary missiles by returning fire
Coffé Junk Studio
2 – 8
Action
Space Wars - Ship Battles
Destroy other ships while defending your own
JustGamingNL
Shooter
Spaceyard
Mine, Build, Fight
wavedotdev
1 – 4
Strategy
Starship Light [BETA]
A freeware multiplayer RPG for 2-6 players
TechTroupe
1 – 6
Role Playing
Retrofit Protocol
PvP-oriented block-based spaceship building game where everything can be retrofitted.
id01
2 – 10
Simulation
GIF
Tremulous 2023 ( Fan Page )
Aliens Vs Humans Asymmetric Team-Based
NeoRetroGames
1 – 32
Shooter
Cyber War - Fight To The Last Man
It’s a multiplayer online game. The focus is on player vs. player gameplay.
xaser3d
Action
Project: Iron Phoenix
Projekt von 2023
Games Academy
1 – 4
Shooter
Project: Rocket Launch
There are monsters amongst them. Can they survive leaving the base?
Code Scrambler
Action
Final Arena
Online Multiplayer Fighting Game
Matthew Ager
Fighting
Pandora: Fleet Command
Space fleet command simulation made simple
Quilow
1 – 2
Strategy
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