Build software better, together

ChupathingyCE / chupathingyce

Chupathingy: Halo: Combat Evolved running natively on Windows, Mac, Linux and Android. A port of the Halo CE decomp project, built for stability and community multiplayer, with its own dedicated servers and the Delta network.

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Updated Oct 17, 2026
C

JamesCraster / OpenWerewolf

Star

OpenWerewolf - the online multiplayer mafia game, play it at www.openwerewolf.com

nodejs game typescript werewolf mafia online-multiplayer

Updated Jan 8, 2023
TypeScript

skvrahul / UdaipurGame

Star

A clone of the boardgame Jaipur built using boardgame.io + ReactJS

reactjs boardgame webapp online-multiplayer boardgame-io

Updated Mar 8, 2023
JavaScript

UnionCrax-Team / uc-online

Star

Spoofer for steam that makes it think you're playing Spacewar, made for Union-Crax mainly but can be used by anyone. *I am currently refactoring and rewriting this to be better and neater.*

steam steamworks steam-api software bypass online-multiplayer spacewar appid-480

Updated May 22, 2026
C++

AllanLotta / bo1-zombies-coop

Star

Play Black Ops 1 Zombies in the browser with up to 4 friends online. Free Chrome extension for vel.gg/bo1z: co-op multiplayer, shared lobby, controller support, Kino der Toten and all 10 maps.

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Updated Oct 15, 2026
JavaScript

flipcoder / FRAG.EXE

Star

Multiplayer FPS Demo built using my own engine, Qor

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Updated Aug 26, 2018
C++

classicq / classicq.github.io

Star

Website source for the classicQ QuakeWorld client

Updated Oct 17, 2026
HTML

Ohmnivore / FastPacedMultiplayerImplementation

Star

🌐 Online multiplayer tutorial series

gamedev udp-protocol online-multiplayer

Updated Nov 26, 2020
JavaScript

sharivan / ny

Star

New Yahoo!

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Updated Oct 17, 2022
Java

Kevin-Kwan / Evade-And-Deceive

Star

A 3rd-Person driving/racing game with inspiration from Mario Kart made in Unity that has online multiplayer functionality. Utilizes Photon Unity Networking 2 (PUN 2) and licensed music from Monstercat.

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Updated Jan 9, 2024
C#

nilesgames / Gamemaker-Multiplayer-Example

Star

An example of online co-op multiplayer using the Steamworks extension in Gamemaker

steam steamworks gamemaker gamemaker-projects online-multiplayer gamemaker-studio-2

Updated Jun 17, 2025
HTML

dmonskull / gauntlet-rust

Star

A 1:1 Rust (Bevy) rewrite of Gauntlet: Dark Legacy (GameCube) that aims to play exactly like the original, plus convenient extras: online co-op for up to 4 with invite codes and drop-in joining, Windows/macOS/Linux, widescreen, rebindable keyboard & mouse or any pad. Bring your own disc.

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Updated Oct 12, 2026
Rust

sharivan / JCheckers

Star

java multiplayer tomcat multiplayer-game client-server checkers online-multiplayer-game tomcat-server online-multiplayer checkers-game checkersgame checkers-englishdraughts

Updated Dec 7, 2018
Java

Meta-Dusk / ishi_card_game

Star

A Roguelike Card Game Made with Flutter.

cards card-game flutter lan-multiplayer online-multiplayer flutter-app flutter-game

Updated Jun 17, 2026
Dart

Forza-WCCF / WCCF-Kit-1011

Star

Community-developed launcher, hardware compatibility tools and in-game overlay for WCCF 2010-11 (Rev D). The game is not included: it works with your own copy.

windows arcade online-multiplayer wccf world-club-champion-football

Updated Oct 16, 2026
Python

1970Mr / tic-toc-toe

Star

A modern neon-themed Tic-Tac-Toe game built with React, TypeScript, and Vite, featuring a glassmorphism UI, time-travel moves (undo/redo), persistent state with LocalStorage, and both offline and online multiplayer via Socket.IO and Zustand state management.