The prototype game is clearly unfinished. Looking at the chart - which is not only well-developed element of the game - and the name, it may seem that goal is to move balls from one side of the screen to the other, avoiding masher in the center of the screen. Why are these balls is so important that you risk life and limb to not explained.
Good use of bitmap sprite interrupted, which is the main (and only) character, give him a lot of color and size for the game Jumping 2600 is not very far advanced and it freezes in the middle of a jump, until you enter another control mechanism. running animation has been developed to a greater or lesser degree, but it's about as far as it goes.