Cross-Platform C++ 2D/3D game engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
Cocos simplifies game creation and distribution with Cocos Creator
Flax Engine, multi-platform 3D game engine
Cross-platform 2D and 3D game engine with modular architecture
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Multi-platform 2D and 3D game engine
The flexible game engine
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Simple and light-weight 3D game engine
Solar2D Game Engine main repository (ex Corona SDK)
Godot is a powerful cross-platform game engine
A real-time 3D engine for DOS-talgics (see GLOBE_3D for new stuff !)
Game engine supporting many 3D/2D formats and graphic effects
Zig game engine & graphics toolkit
3D Engine with Blender Integration
3D engine with modern graphics
JavaScript-based game engine designed to empower developers
LayaAir is an open-source 2D/3D engine
A game engine powered by python and panda3d
V1, Mirror Classic. V2, Mirror Engine: Join Discord for access
aka ogre v2 - scene-oriented, flexible 3D C++ engine
Voxel game engine in C++ with OpenGL
Free game engine for development of desktop, mobile, and web games
Xash3D FWGS engine