A completely free, open-source, 2D game engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Open source library for creative expression on the web, desktop, etc.
JavaScript-based game engine designed to empower developers
PyCAPGE - Python Classic Adventure Point and Click Game Engine
State Management and Multiplayer Networking for Turn-Based Games
Mini game engine for games104
QQ Group:538722494,KSFramework = KEngine + SLua(or xLua)
Low-Level Game Engine for Retro Platforms
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Turbulenz is a modular 3D and 2D game framework