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New & popularwith server-based network multiplayer with code under GNU General Public License v3.0 (GPL) (71 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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A classic tower defense game reimagined with strategic mining and intense competitive modes
1 – 16
Strategy
Professional snake multiplayer game
1 – 4
Action
An open source turn based strategy game.
1 – 9
Strategy
2
Action
Play in browser
Can you last forever?
1 – 100
Action
Play in browser
RetroArch is a frontend for emulators, game engines and media players.
1 – 8
1 – 2
Action
Play in browser
Recreation of Valve's Ricochet in a Modern Engine
1 – 12
Platformer
Bumper your way to victory in this fun fairground bumper car game!
1 – 24
Action
A fodian-style game but you're a fish
1 – 12
Platformer
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
Snowy team battles with yetis, rocket launchers, UFOs, and everything
1 – 8
Action
Synchronize with your allies and extend your wires!
3
Role Playing
A "Cards Against Humanity" like game with memes and YOUR prompts!
3 – 5
Card Game
Play in browser
retro-fps action with giant, stompy robots.
2 – 8
Simulation
A Pokédex quiz game for Numerica Twitch Jam
2 – 128
Puzzle
Sociopolitical Online Platformer
invader zim fangame where you play as gir
Action
Fight with swords in a repurposed gym in a space station, but a techie cut off the gravity!
2 – 16
Fighting
Online version of famous paper-and-pencil game.
2
Card Game
The Questions are Ridiculous; the Answers are Serious.
1 – 8
Puzzle
Play in browser
Dynamic post-apocalyptic shooter with time manipulation mechanism
Shooter
The Mana World's original server (active)
1 – 250
Adventure
online multiplayer air battle arena!
1 – 255
Action
Play in browser
dingdong is a Pong clone with unique art, music, and multiplayer capabilities!
1 – 2
Action
1 – 2
Simulation
A simple, relaxing and easy cross-platform car racing game
1 – 2
Racing
Compete against teams of 2 to collect hidden crystals using special items and abilities!
2 – 4
Platformer
Web-based 'Settlers of Catan' clone
3 – 4
Strategy
Play in browser
Приключение в хэллоуинскую ночь
Puzzle
Open Source Pixelart Sci-Fi Real Time Strategy Game
1 – 63
Strategy
It's free, but you can haggle!
1 – 4
Card Game
LAN game in which you fight with boomerangs
We provide support and hosting for the game Wolfpack Empire
Strategy
Classic Tic Tac Toe with Online Multiplayer and custom Board Sizes, Winning Conditions, etc...
2
Strategy
Play in browser
An homage to https://xkcd.com/2291/
1 – 2
Sports
Play in browser
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