Desktop/Android/HTML5/iOS Java game development framework
Open Source MMORPG Framework
Flexible level editor
Multi-platform 2D and 3D game engine
A lightweight game server framework implemented with Actor Model
Powerful, mature open-source cross-platform game engine for Python
Botcraft is a cross-platform C++ library to create bots
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Code for Cicero, an AI agent that plays the game of Diplomacy
Modified source engine (2017) developed by valve and leaked in 2020
Old style soccer game with many exciting features
Mini game engine for games104
Small lightweight program to customize your keyboard
A high speed C++17 Vulkan game engine
Atic Atac Spectrum Game Remake
A 2D game engine and level editor
Program to control vJoy / vXbox Device via keyboard, mouse, joystick.
KlayGE is a cross-platform open source game engine
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
A distributed graph deep learning framework.