Your goal in this very nicely done game is to annihilate all of the positive and negative particles balls.
Particle balls are annihilated when they collide with a ball of the opposite polarity.
Note: Sensors can control various objects and are triggered when a ball rolls over them.
August 29, 2013 1:25 PM
Pickup the available balls from the tray and place them anywhere above the radiation line. Then press the play button to set the balls in motion.
Use the Rewind button to return balls back to their initial positions. From there you can make adjustments and press the Play button to try again.