If you want, you can press a to delete a clone. if you press the up arrow the balls will show. if you press the down arrow the balls will hide. press space to make the balls go in the direction of your mouse pointer. hold space to make the balls go to your mouse pointer.
Even though i didn't remix, I got most of the code from awesomesaucecalbro. (Has more of a "Burst" in turbo Mode.)