Game

OpenSC2K - An Open Source remake of Sim City 2000 by Maxis

Collection of cross-platform one-file C/C++ libraries with no dependencies, primarily used for games

A deck tracker and deck manager for Hearthstone on Windows

🕹️ A basic gameboy emulator with terminal "Cloud Gaming" support

The command-line tool for quick, simple deployment and management of Linux dedicated game servers.

Java / JavaFX / Kotlin Game Library (Engine)

Game engine

Rust library to create a Good Game Easily

Component library for making games with React & React Native

Co-op Action Roguelike in Unreal Engine C++

Open source clone of Theme Hospital

luban是一个强大、易用、优雅、稳定的游戏配置解决方案。luban is a powerful, easy-to-use, elegant and stable game configuration solution.

A fast, scalable, distributed game server engine/framework for C++, include the actor library, network library, can be used as a real time multiplayer game engine ( MMO RPG/MOBA ), which support C#/Lua script/ Unity3d, Cocos2dx and plan to support Unreal.

High performance, simple, extensible golang open source network library

A large library of free and open-source shaders for the Godot game engine. Here, you'll get 2D and 3D shaders with playable demos.

A wonderful list of Game Development resources.

A brand new web Visual Novel engine | 全新的网页端视觉小说引擎

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+

Terasology - open source voxel world

Official NetHack Git Repository

A multiplayer game about paranoia and chaos on a space station. Remake of the cult-classic Space Station 13.

Enjoy programming while playing a game.

Another fucking c# Steamworks implementation

A rhythm game made with HaxeFlixel

The main repository for the development of the evolution game Thrive.

Voxel sandbox game with a large render distance, procedurally generated content and some cool graphical effects.

Improved version of the X-Ray Engine, the game engine used in the world-famous S.T.A.L.K.E.R. game series by GSC Game World. Join OpenXRay! ;)

Reinforcement Learning / AI Bots in Card (Poker) Games - Blackjack, Leduc, Texas, DouDizhu, Mahjong, UNO.

fheroes2 is a recreation of Heroes of Might and Magic II game engine

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