The HTML5 Creation Engine
Open source library for creative expression on the web, desktop, etc.
A 2D rigid body physics engine for the web
Here we're trying to create the easiest open-source game engine.
The Echo Engine is a simple game engine for text adventure games
Eva.js is a front-end game engine for creating interactive projects
Game engine to build text adventures.
Web powered cross-platform 3D, WebXR game engine
online 4X browser game engine
A retro style video game engine for RPGs and adventure games.