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

Whenever I tell Goewin to "go to the green cave and then pull the right skill" the "pull" command does not work -- it disappears from the sentence as soon as I select it, as do the commands "push" and "operate"