There are ten levels, which you can access with the number keys. I can get over 1500 on every level except 9, where I got over 1300. Can you?
Would you like to see the source code or download the program? You can get the files you need here. If you can't see the whole applet, you can press F11 for fullscreen mode or change your screen's resolution.
UW Madison >> CS department >> Tim's website >> Chase