CTFs as you need them
Open game and rendering engine packed into a JavaScript framework
Fast and lightweight JavaScript game engine built on WebGL and glTF
Self-hosted CMS platform based on the Laravel PHP Framework
JavaScript framework to build game engines, games, emulators and apps
Java Settlers
2D Game Engine
The imaginary eight-bit machine
A complete web framework to create online Fighting Fantasy adventures
A synchronisation component for p5.js
Javascript Canvas Framework
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
3D .NET engine for Windows, Linux, Mac
Simple data driven web based gamebook engine using javascript.
javascript HTML5 game dev lib
Free strategy browsergame engine.
Engines for Batch Games
AutoTeach makes kids study and learn in exchange for internet access.
Modular Gaming Open Source Persistent Browser Based Game Framework
Open source network game service