The Epic Citadel demo is 52 megabytes of JavaScript, which uses WebGL to draw to an HTML5 canvas. The JavaScript was created with Emscripten, which allows developers to compile existing C++ code ...

It's the first doodle to be constructed entirely with HTML5 Canvas, Google software engineer Jered Wierzbicki explains, and so needs a "modern" browser in order to appreciate it. The physics ...