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Oldest Downloadablewith server-based network multiplayer tagged Open Source (43 results)

43 results

Explore Downloadable games with server-based network multiplayer tagged Open Source on itch.io · Upload your Downloadable games with server-based network multiplayer to itch.io to have them show up here.

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Recreates the classic Command & Conquer titles with a Free/Libre engine.
1 – 63
Strategy
Free open source racing game for Windows, OSX and Linux.
Racing
The automation tower defense game
AnukeVerified Account
1 – 100
Strategy
Multiplayer Helicopter Shooter Game
Shooter
Free Flight Sim for LINUX with 50 WW2 Aircraft
1 – 10
Simulation
A community-produced deathmatch FPS
1 – 16
Shooter
Reverse Battle Royale multiplayer game.
1 – 6
Shooter
A multiplayer voxel RPG written in Rust inspired by games like Cube World, Zelda, Dwarf Fortress and Minecraft.
Adventure
A game about shooting everything, anime girls, and insane movement. Welcome to the future.
1 – 32
Shooter
Multiplayer mage battles with a lot of partiles
2 – 5
Action
Beat your friends to the flag, but you can only move when invisible!
Platformer
Command the forces of The Project in a battle to rebuild the world.
1 – 10
Strategy
Open Source Pixelart Sci-Fi Real Time Strategy Game
1 – 63
Strategy
Strategy game with simultaneous turns where nature is a finite resource
Strategy
GeoGuess is an open-source geography game with Google Map StreetView.
Educational
Arcade-style 2D multiplayer team combat game with simple mechanics
1 – 32
Action
Does not limit the player.
Shooter
1vs4 online multiplayer game
Open-source improvement of a old space shooter game
1 – 4
A multiplayer shooter game
Shooter
multiplayer shooting game
Shooter
D-Day: Normandy is a team-based game where Allies battle against the enemy Axis on different maps set across the world.
1 – 16
Action
A City Building Game That Is Open Source And Made In Unity2D.
A source port of Serious Sam Classic: The Second Encounter and a complete overhaul of Serious Engine 1.10.
1 – 16
Shooter
The Mana World's original server (active)
1 – 250
Adventure
Play tabletop games in a physics-based 3D environment with your friends!
1 – 10
Simulation
Get elected as mayor of Critter Island in this team-based multiplayer party game!
4 – 8
Aliens Vs Humans Asymmetric Team-Based
1 – 32
Shooter
Competitive multiplayer first person shooter game
1 – 10
Shooter
A small PoC of a online cooperative game with unique roles!
Adventure
A free and open source loadout shooter
2 – 6
Shooter
VALHALLA is an FPS that blends casual and old-school gameplay, set within a sci-fi reimagining of Norse mythology.
1 – 128
Shooter
Online Doom-like shooter
1 – 25
Shooter
The Ultimate Version of Quake 3 Clone
1 – 24
Shooter
A cooperative fast-paced game about running a restaurant together.
1 – 15
An open source turn based strategy game.
WesnothVerified Account
1 – 9
Strategy
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