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Top freewith server-based network multiplayer with code under GNU General Public License v3.0 (GPL) (76 results)

Explore games with server-based network multiplayer with code under GNU General Public License v3.0 (GPL) on itch.io · Upload your games with server-based network multiplayer with code under GNU General Public License v3.0 (GPL) to itch.io to have them show up here.

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An open source turn based strategy game.
WesnothVerified Account
1 – 9
Strategy
Soft Body Physics Simulator
1 – 64
Simulation
RetroArch is a frontend for emulators, game engines and media players.
1 – 8
Recreates the classic Command & Conquer titles with a Free/Libre engine.
1 – 63
Strategy
Open Source Pixelart Sci-Fi Real Time Strategy Game
1 – 63
Strategy
Multiplayer RTS
1 – 32
Strategy
Free open source racing game for Windows, OSX and Linux.
Racing
A free online roleplaying game
1 – 50
Role Playing
The Mana World's original server (active)
1 – 250
Adventure
​Hub OS is an online Mega Man Battle Network fan project that takes place on interconnected servers, or Hubs.
1 – 100
A pixelized top-down mega sandbox. Play or create solo / cooperative survival, team battle, and more !
1 – 10
Survival
Stendhal is a fun friendly and free multiplayer online adventure game with an old school feel.
1 – 100
Role Playing
The Questions are Ridiculous; the Answers are Serious.
1 – 8
Puzzle
Play in browser
A multiplayer voxel RPG written in Rust inspired by games like Cube World, Zelda, Dwarf Fortress and Minecraft.
Adventure
A tiny but crazy global multiplayer CTF shooting game.
Shooter
!Play Anywhere! An Online Social RPG handcrafted with ❤ for Web, PC and Android
Role Playing
Play in browser
Real time tactics with Newtonian physics
Simulation
Snowy team battles with yetis, rocket launchers, UFOs, and everything
1 – 8
Action
Free and Open Source MMORPG - Embark on an adventure!
1 – 250
Adventure
A retro-styled MUD for the modern era
1 – 100
Role Playing
Compete against teams of 2 to collect hidden crystals using special items and abilities!
2 – 4
Platformer
Ubercube is a first person shooter multi-player game set in a completely destroyable voxel world.
Shooter
Multiplayer termainal action!
2 – 255
Action
Free Flight Sim for LINUX with 50 WW2 Aircraft
1 – 10
Simulation
Challenge your friend to an intense duel, or gather two clans to fight a spectacular war. Forever free and open-source.
1 – 20
Shooter
Play in browser
Приключение в хэллоуинскую ночь
Puzzle
Juega al pong como nunca antes
1 – 2
Sports
Play in browser
Classic Tic Tac Toe with Online Multiplayer and custom Board Sizes, Winning Conditions, etc...
2
Strategy
Play in browser
Jump as a Blob! Collect Stars! Be Rank 1!
1 – 100
Platformer
Play in browser
MMORPG
1 – 16
Role Playing
Every battle, trade, and collectible isn't just a play, it's piece of nostalgia. One click, one wallet, endless rewards.
1 – 2
Card Game
Play in browser
Bored teenagers messing around, what could go wrong?
3 – 12
Survival
A fantasy world simulator game.
1 – 255
Simulation
It's free, but you can haggle!
1 – 4
Card Game
Arena FPS prototype
Shooter
1 – 2
Simulation
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