A lightweight HTML5 Game Engine
Javascript adventure game engine
C-Lesh is a game programming language for 2D games.
An extensible development framework for roleplay games.
Cross-platform reimplementation of AMOS BASIC (runtime)
Formerly CraveJs, it's for creating JavaScript applications and games.
Simple Point & Click Game
AMOS BASIC reimplementation in Java
fiftyfifty is a programming language and game
Space + Planet Simulation in a voxel-like world
Free MMORPG Engine. Develop and host graphical browser-based games.