The original file was long lost. That said, I have kept it up-to-date in the Updates section... which has unfortunately been hidden since Kongregate updated their system :(. You can still read all of the changes there though (and find the links to my other tutorials, including for my 2.0-2.2 set).
>I tend to get attakced from behind. >That's intended behaviour. I plan on making more maps later.