The Tiny JavaScript Game Engine That Can!
Game engine for playing tomb raider 1 - 5 levels.
scriptable game engine with built-in support for 2D graphics and sound
Mahasona engine is an open source game engine.
A 2D Adventure Game & Engine
TurboSphere is an easy to learn and powerful JS based game engine.
Open source, moddable game engine for the "Polygon Love 2" game
Point-and-click 2D game engine