HTML5 Game Starter Kit for Windows 8
The blog digitalerr0r has an excellent 3-part series on creating a HTML5 Game in Windows 8 that shows you the pieces you need to build a game for Windows 8 and successfully get it submitted to the Windows 8 store.
As the author notes, games are getting rejected because they don’t realize they mandatory pieces like a privacy policy.
Download the HTML5 Game Starter Kit for Windows 8 and then either follow the individual links or watch the video embedded below.