Voxel game-creation platform with easy modding and game creation
Xash3D FWGS engine
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Free, cross-platform 2D game engine powered by Haxe and OpenFL
The game engine for everyone
Cocos simplifies game creation and distribution with Cocos Creator
Cross-platform game engine in Rust
Open source library for creative expression on the web, desktop, etc.
A dead simple 2D game engine for Go
2D Game Engine
online 4X browser game engine
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Cross-platform 2D game engine