Cross-Platform C++ 2D/3D game engine
Cocos simplifies game creation and distribution with Cocos Creator
Fast and lightweight JavaScript game engine built on WebGL and glTF
Cross-platform 2D and 3D game engine with modular architecture
Godot is a powerful cross-platform game engine
The flexible game engine
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Multi-platform 2D and 3D game engine
Game engine supporting many 3D/2D formats and graphic effects
Solar2D Game Engine main repository (ex Corona SDK)
Zig game engine & graphics toolkit
A game engine powered by python and panda3d
LayaAir is an open-source 2D/3D engine
A modular Common Lisp game engine
A game engine with an emphasis on real-time cutting-edge solutions
Voxel game engine in C++ with OpenGL
An OpenGL RTS game engine written in C
3D Game engine with editor
3D and 2D game engine written in Rust
Xash3D FWGS engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Free game engine for development of desktop, mobile, and web games
Powerful, mature open-source cross-platform game engine for Python
Java/JavaFX/Kotlin Game Library (Engine)