This unusual game is well coached memory and thinking!
At the beginning of the game there is a large square. It consists of many small, grayscale. Each such square is hiding his gray color reflection. Goal of the game: to return a large gray square of all colors.
But not so easy as it seems at first sight! Since gray canvas until there are no color differences in shades of visible, but as the opening of new colors, these differences will become less noticeable. If you do not have a great visual memory, you can show any strategy to achieve the best results.