I swear the levels get easier and easier after level 8 or so... By level 20 you have so many balls and lives. I had to lose on purpose to get the badges haha.
To use other keys think of Key.RIGHT as an int since it is just a constant variable defined in Key. Left, Up, Right, and Down are the numbers 37 - 40 in that order so Key.RIGHT = 39. You can replace it in your code with the number 39 and have the same results. Here are the key codes for an entire keyboard: http://people.uncw.edu/tompkinsj/112/FlashActionScript/keyCodes.htm
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