http://killer-gaming.net/Client.html
It's the webclient.
Now if your browser closes, get firefox. Google it.
Now once installed, go to Right click firefox, go to properties, and then Compatibility, then when it says Compatibility mode, Click on the box staying " Run this program in compatibility mode for: " , then select;
VISTA Windows XP (Service Pack 2)
Or pretty much what operating system you use. You must have JAVA enabled for this to work. Now go and play, and have fun!
Also if it says "Starting Game Engine" for the longest time ever, it means it's downloading the cache. It should only take to a max 5 minutes on DSL, and like.... One hour I'm guessing for dial-up.. lol.