AutoTeach makes kids study and learn in exchange for internet access.
LAIR is a Sandbox Dungeon Crawling Game
XMICAE is a framework for browser-based IF/RPG narratives.
TurboSphere is an easy to learn and powerful JS based game engine.
Classic backgammon in fantasy setting with a lot of missions.
Simple and scalable 3d javascript game engine
The solution to all your problems
A lightweight HTML5 Game Engine
SuperWikia: The Runtime/Realtime Environment for Codesmiths
C-Lesh is a game programming language for 2D games.
An extensible development framework for roleplay games.
Javascript adventure game engine
Horror Game Project
Formerly CraveJs, it's for creating JavaScript applications and games.
Simple Point & Click Game
Free MMORPG Engine. Develop and host graphical browser-based games.
fiftyfifty is a programming language and game
Space + Planet Simulation in a voxel-like world