Free, cross-platform 2D game engine powered by Haxe and OpenFL
Classic 2D side-scrolling platformer game
Cross-platform 2D game engine focused on ultimate productivity
2D JavaScript Physics Engine
LayaAir is an open-source 2D/3D engine
Cross-platform 2D and 3D game engine with modular architecture
A dead simple 2D game engine for Go
A game engine powered by python and panda3d
Open source library for N64 development
A completely free, open-source, 2D game engine
Cocos simplifies game creation and distribution with Cocos Creator
A high-performance, industry-standard 2D physics engine built on Box2D
Stride (formerly Xenko), a free and open-source cross-platform C# game
An easy to use 2D HTML5 game engine written in TypeScript
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Free game engine for development of desktop, mobile, and web games
The Tiny JavaScript Game Engine That Can!
3D and 2D game engine written in Rust
Multi-platform 2D and 3D game engine
Jazz² Resurrection: Open-source reimplementation of Jazz Jackrabbit 2
Open source library for creative expression on the web, desktop, etc.
Real Time Strategy game engine supporting early Westwood classics
Pixel-art map visualizer for Minecraft
Fast and lightweight JavaScript game engine built on WebGL and glTF
A refreshingly simple data-driven game engine built in Rust