Cocos simplifies game creation and distribution with Cocos Creator
Free game engine for development of desktop, mobile, and web games
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Open game and rendering engine packed into a JavaScript framework
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Free, cross-platform 2D game engine powered by Haxe and OpenFL
3D and 2D game engine written in Rust
The game engine for everyone
The Tiny JavaScript Game Engine That Can!
Open source library for creative expression on the web, desktop, etc.
Cross-platform game engine in Rust
Embeddable unity game engine view for Flutter
Fast and lightweight JavaScript game engine built on WebGL and glTF
A dead simple 2D game engine for Go
Game engine supporting many 3D/2D formats and graphic effects
A completely free, open-source, 2D game engine
A cross-platform, open-source, pure C game engine for mobile game
Engo is an open-source 2D game engine written in Go
Cross-platform 3D scene editor based on three.js, golang and mongodb
2D Game Engine
A cross-platform 2D game engine
Web powered cross-platform 3D, WebXR game engine
online 4X browser game engine
Multi-platform game engine similar to old Megaman with a stage editor
Godot is a fully featured, open source, MIT licensed, game engine.