A retro game engine for Python
Fast and lightweight JavaScript game engine built on WebGL and glTF
A completely free, open-source, 2D game engine
A high-performance, industry-standard 2D physics engine built on Box2D
2D JavaScript Physics Engine
A 2D rigid body physics engine for the web
Game engine supporting many 3D/2D formats and graphic effects
Free, open source game engine online
Web powered cross-platform 3D, WebXR game engine
online 4X browser game engine
A space race game in the style of A Dark Room
Turbulenz is a modular 3D and 2D game framework
Game engine supporting many 3D/2D formats and graphic effects
Free MMORPG Engine. Develop and host graphical browser-based games.