Anyone who can't get the game to load - please try the instructions on this page: http://www.darnkitty.com/java-help.php, even if the problem you are having isn't specifically mentioned on the page. Hopefully you can get the game to run. Please note, if you don't have JAVA installed, you will need to install it.
Anyone who can't get the game to load - please note that the most recent versions of Chrome and Firefox no longer support JAVA. You will most likely need to use Internet Explorer or Safari to run the game. Please see this page for more information: http://www.darnkitty.com/java-help.php