I love the game, but is it possible to play this game offline? I've tried to open the gamefile but I get hit with this error
Most browsers won't let JavaScript to load local files for security theater reasons.
You'll either have to host it with a local web server, or embed the resources as data URLs. If you do the latter and want to open it in Firefox, you'll have to re-encode the music file, as it exceeds the Firefox's limit on data URL's length.