Oh, I see. I realized my mistake of opening it through a .ZIP file after I commented, but I tried it without it, and it still didn't work, so I decided there was no point editing my comment. Thanks for the info!
Good news. There is now a downloadable version of it to play offline on your chromebook.
how
Simple. A little something called Base64. Look it up.
it gives me decodes of base64
Base64 is just a way for content to be encoded inside of an HTML file, so that you can make single page HTML files.