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

×
How can I change the setting files (user, user-settings?)
to make the game run better?

Thanks!
It depends on what you want to improve. The background graphic itself? Or the quality of the action? Battles there and so on.