Install the following software before installing the Game Closure DevKit:<p>Git (> 1.7.10)
Node.js (> 0.8)
Java —Will auto-install on OSX.
Chrome<p><-
I Feel icky about running java.
And
Chrome does not support Java 7. Java 7 runs only on 64-bit browsers and Chrome is a 32-bit browser.<p>If you download Java 7, you will not be able to run Java content in Chrome and will need to use a 64-bit browser (such as Safari or Firefox) to run Java content within a browser. Additionally, installing Java 7 will disable the ability to use Apple Java 6 on your system.
<a href="http://java.com/en/download/installed.jsp?detect=jre&try=1" rel="nofollow">http://java.com/en/download/installed.jsp?detect=jre&try...</a>