У вашего броузера проблема в совместимости с HTML5
A multiplayer mini-game runnign on a desktop and also an iPad. The HTML5 game was made in Construct2. Source code (capx file) is available at http://sites.google.com/site/jptarqu/downloads as socket-io-mod.zip and there is an overview of how the code works in http://jptarqu.blogspot.com/2012/04/how-to-create-online-multiplayer-html5.html