With HTML5, CSS and JavaScript, you can build some pretty nice little games — and without a significant up-front investment.

jsFiddle lets developers play with the three core elements of Web development. Check out this powerful application for rapid prototyping and testing.

“BrowserQuest is a showcase of how open Web technologies like HTML5, JavaScript, CSS (cascading style sheets) and WebSockets can be used to create a multiplayer game that scales up to thousands ...