An open source re-implementation of RollerCoaster Tycoon 2 🎢

TrinityCore Open Source MMO Framework (master = 11.1.0.60257, 3.3.5 = 3.3.5a.12340, cata classic = 4.4.2.60192)

Command the forces of The Project in a battle to rebuild the world after mankind has been nearly destroyed by nuclear missiles. A 100% free and open source real-time strategy game for Windows, macOS, Linux, BSD+

Third-person Survival Game for Unreal Engine (Sample Project)

A retro multiplayer shooter

Multi Theft Auto is a game engine that incorporates an extendable network play element into a proprietary commercial single-player game.

游戏服务器框架，网络层分别用SocketAPI、Boost Asio、Libuv三种方式实现， 框架内使用共享内存，无锁队列，对象池，内存池来提高服务器性能。还包含一个不断完善的Unity 3D客户端，客户端含大量完整资源，坐骑，宠物，伙伴，装备, 这些均己实现上阵和穿戴, 并可进入副本战斗，多人玩法也己实现, 持续开发中。

Multiplayer top-down shooter made from scratch in C++. Play in your Browser! https://hypersomnia.io Made in 🇵🇱

Compatible client of Ace of Spades 0.75

Skyrim mod to play online!

Source code repository of the FreeOrion project.

Multiplayer for OpenMW, a reimplementation of The Elder Scrolls 3: Morrowind's engine.

A fast C++23 3D game engine for modern devices, with wide platform support

Open "Minecraft-like" game with multiplayer support and Lua scripting support for the both client and server

NOTE: development in stuntrally3 repo. 3D racing game based on VDrift and OGRE with own Track Editor. The main repository with Stunt Rally 2.x sources and data.

Modular inventory system for godot 4 with nodes, compatible with multiplayer, separate logic from the UI, Using items as separate resources.

Abandoned hybrid singleplayer/multiplayer shooter project formerly known as DECEIVER

Open Multiplayer, a multiplayer mod fully backwards compatible with SA-MP

Unofficial open-source OpenGL/SDL2 reimplementation of Sid Meier's Alpha Centauri ( + Alien Crossfire )

A fan-made multiplayer Super Mario Bros. style deathmatch game