Free, cross-platform 2D game engine powered by Haxe and OpenFL
Cross-platform 2D game engine focused on ultimate productivity
Cross-Platform C++ 2D/3D game engine
Classic 2D side-scrolling platformer game
LayaAir is an open-source 2D/3D engine
A dead simple 2D game engine for Go
A game engine powered by python and panda3d
Cross-platform 2D and 3D game engine with modular architecture
Cocos simplifies game creation and distribution with Cocos Creator
A completely free, open-source, 2D game engine
An easy to use 2D HTML5 game engine written in TypeScript
Sandbox video game with a powerful physics engine
Open source library for N64 development
The Tiny JavaScript Game Engine That Can!
Free game engine for development of desktop, mobile, and web games
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Multi-platform 2D and 3D game engine
2D JavaScript Physics Engine
Real Time Strategy game engine supporting early Westwood classics
A high-performance, industry-standard 2D physics engine built on Box2D
3D and 2D game engine written in Rust
Stride (formerly Xenko), a free and open-source cross-platform C# game
Fast and lightweight JavaScript game engine built on WebGL and glTF
Cross-platform game engine in Rust