Busy kittens in a kittens game.
This is automation script (auto-clicker) for kittens game: http://bloodrizer.ru/games/kittens/#
Since you can't easily use it by downloading .js and .css from here, , create a bookmark with Location (or URL or similar) pointing to:
javascript:(function(){document.body.appendChild(document.createElement('script')).src='http://serwer1314723.home.pl/busy_kittens.js?'%20+%20Math.random()%20+%20'';})();