It seems that you're using an outdated browser. Some things may not work as they should (or don't work at all).
We suggest you upgrade newer and better browser like: Chrome, Firefox, Internet Explorer or Opera

My computer is old and busted p and can barely run most games. I can play this game but every ten seconds it studders and the audio gets messed up. What can I do other than obviously improving my computer with hardware?
Throwing it out and starting from scratch would be more productive.