1. Box the balls as the fly around on the screen.

  2. To box a ball, click the screen on opposite corners of the

    desired boxing rectangle.

  3. When drawing a box, it must not intersect with any existing boxes.

  4. Land like colored boxes on top of each other for points.

  5. A white ball is special - its box will score points with any color.

  6. White boxes linger for more destruction.

  7. As your score gets higher, so does your level, and so does

    the force of gravity on the balls.

  8. You lose the game if any unboxed balls hit the solid boxes.