enchant.js (GitHub: wise9 / enchant.js, License: MIT or GPL) from Ubiquitous Entertainment Inc. is a new game engine that uses HTML5. It supports events, sprites, sounds, scenes, maps, and a whole host of other game-management classes. It also supports controls for touchscreen devices. The game engine itself is designed around events, so from what I can tell it’s mostly asynchronous. There’s a plu