Select the color model you are most familiar with. The background color will be a combination of the three primary colors you've selected. You can move the Balls to adjacent Tiles while adding their color to the Tile. There are a few rules. - You cannot move a Ball to Tiles with a background color. - You cannot move a Ball to Tiles with another Ball. Your goal is to move the balls and change all the tiles to the background color. There are more than two hundred puzzles available. New puzzles are continuously added without requiring an application update.