Cross-Platform C++ 2D/3D game engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
Cross-platform 2D and 3D game engine with modular architecture
Flax Engine, multi-platform 3D game engine
Cocos simplifies game creation and distribution with Cocos Creator
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Simple and light-weight 3D game engine
Multi-platform 2D and 3D game engine
A real-time 3D engine for DOS-talgics (see GLOBE_3D for new stuff !)
Zig game engine & graphics toolkit
Game engine supporting many 3D/2D formats and graphic effects
3D Engine with Blender Integration
LayaAir is an open-source 2D/3D engine
A game engine powered by python and panda3d
Voxel game engine in C++ with OpenGL
3D Game engine with editor
3D and 2D game engine written in Rust
Free game engine for development of desktop, mobile, and web games
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A modular Common Lisp game engine
Powerful, mature open-source cross-platform game engine for Python
GemRB is a portable open-source implementation of the Infinity Engine
3D Procedural Game Engine Using OpenGL
3D game engine with lua scripting