Cross-Platform C++ 2D/3D game engine
Cross-platform 2D and 3D game engine with modular architecture
Cocos simplifies game creation and distribution with Cocos Creator
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Multi-platform 2D and 3D game engine
Godot is a powerful cross-platform game engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
The flexible game engine
Solar2D Game Engine main repository (ex Corona SDK)
Zig game engine & graphics toolkit
Game engine supporting many 3D/2D formats and graphic effects
Cross-platform 2D game engine focused on ultimate productivity
LayaAir is an open-source 2D/3D engine
Phaser is a free and fast 2D game framework for making HTML5 games
A game engine powered by python and panda3d
A dead simple 2D game engine for Go
V1, Mirror Classic. V2, Mirror Engine: Join Discord for access
Flax Engine, multi-platform 3D game engine
A web-based IDE for HTML5 game development. Powered by Phaser
A game engine with an emphasis on real-time cutting-edge solutions
3D and 2D game engine written in Rust
A high-performance, industry-standard 2D physics engine built on Box2D
Free, cross-platform 2D game engine powered by Haxe and OpenFL
An OpenGL RTS game engine written in C
Xash3D FWGS engine