for anyone that is having problems with the MAC download, here's help.
if your mac can't run the program then follow the steps
1. download "The Unarchiver".
2. download "balls?"
3. right click the .zip file and press "open with" and then press "The Unarchiver".
4. open the game by right clicking and pressing "open" and then "open".
please, if you have any more problems leave a comment.