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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

New & popular free
for Windows with server-based network multiplayer tagged Sci-fi (74 results)

74 results

Explore games for Windows 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 for Windows with server-based network multiplayer to itch.io to have them show up here.

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Terra Tritium
Players can explore asteroids teeming with Trit
#TRIT
Play in browser
SCP: Area-42
Multiplayer SCP game that takes place in Area-42
BreakfastBoii
Action
Down the Wormhole
A turn based tiled strategy game.
Emvy Software
1 – 4
Strategy
Play in browser
VALHALLA
Valhalla Project
1 – 128
Shooter
Retrofit Protocol
PvP-oriented block-based spaceship building game where everything can be retrofitted.
id01
2 – 10
Simulation
Project: Iron Phoenix
Projekt von 2023
Games Academy
1 – 4
Shooter
Brawlygon
Low Poly, High Mobility Fighting Game
Ynfernosaurus
1 – 2
Fighting
Epsilon Indi
real time auto battler
CrashDumpSoftware
1 – 2
Strategy
Play in browser
Pandora: Fleet Command
Space fleet command simulation made simple
Quilow
1 – 2
Strategy
HONOR++
Movement Based Sword Fighting PVP
GruelScum
1 – 16
Action
S.L.I.M.E
The S.L.I.M.Es have broken free and are trying to escape! Do your best to finish the experiments and escape the lab!
Pumpkin House Games
1 – 4
Shooter
Digital Tandem
The asymmetric game about AI uprising for 2 players
capybara
2
Platformer
GIF
AstroBrawl
AstroBrawl is a 2D multiplayer fast-paced shooter in space
papacorps
1 – 4
Action
Play in browser
GIF
Tremulous 2023 ( Fan Page )
Aliens Vs Humans Asymmetric Team-Based
NeoRetroGames
1 – 32
Shooter
GIF
Phantasy Star Online Blue Burst ( Fan Page )
Phantasy Star Online Revival
NeoRetroGames
1 – 150
Role Playing
Wavecade
Arcade shoot-em-up game where you control time and blast stuff!
Spalato Bros
1 – 2
Shooter
Revival of Avalanche
Aurimas
Fighting
XBPMMM - A Travelogue of Morphing Bodies
VR-Mulitplayer, Oculus Quest 1+2, Bodypolitics, Multispecies, Transfiguration, Queerfeminism
Janne Kummer aka.alaska
Interactive Fiction
Blood Arrows
Speed up and defend a city under the attack of strange monsters! [1-4 players]
Soul Dream Games
1 – 4
Action
Quantum Memories
A quantum mechanics coop puzzle game
Reibax
2
Puzzle
Skader
A sci-fi MOBA with unique ice-skating locomotion and a trail generator device to catch your enemies
masta-yoda
1 – 10
Action
GIF
TOMORROW FOREVER
Co-Operative Far-Future Heists!
DitherDream
1 – 8
Action
StellarDrive (alpha)
Build spaceships and explore the cosmos
Curious Owl
1 – 4
Simulation
DROSS // DEMO
A Co-Op Xeno-Horde Procedural Rogue-like
SALT_
1 – 2
Shooter
AREA 51
The conspiracy is no longer a theory.
midwaygames
Shooter
GIF
Project Search
All my life, I will ask; regardless of sadness, I will ask
https://fschool.itch.io
1 – 25
Visual Novel
Dinogen Online
Top-down dinosaur shooter with intense multiplayer action. Play as a human or dinosaur in objective-based game modes!
Wilkin Games
1 – 32
Shooter
GIF
BEATS TO KILL TO
A competitive third person shooter / rhythm game set to only the hardest rave bangers
Ironsilk Games
1 – 8
Shooter
War of the Worlds (Legacy Version)
Martian invasion survival project
Team Green
Survival
TELOS Legacy
MOVE FAST/JUMP HIGH/KILL FIRST | PvP FPS
cakeu
1 – 10
Shooter
Galactic Journey
Will you be able to fix the ship before it reaches the sun ?
Marine Millot
1 – 3
Survival
Fly Dangerous
6dof high speed, extremely high skill ceiling racing
Juki
Racing
Final Arena
Online Multiplayer Fighting Game
Matthew Ager
Fighting
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
Shooter
Invicta Vitae
Whether you are fighting for your life or chasing after your meal, only one comes out alive.
Iugales23
Survival
Starship Light [BETA]
A freeware multiplayer RPG for 2-6 players
TechTroupe
1 – 6
Role Playing
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