Tree game is a simple multiplayer collaborative HTML5 game with a NodeJS and Socket.IO backend supporting networked devices including custom developed iOS apps based on sound and accelerometer data. It was created by one of the teams durign the one day Design Informatics Game Jam, 2014, Edinburgh.
Fractal tree code from: http://thecodeplayer.com/walkthrough/create-binary-trees-using-javascript-and-html5-canvas