Underwater World is not only beautiful, it is also very mysterious. Somewhere at the bottom of the sea, among the fish and corals, hiding fifteen numbers. These numbers are perfectly camouflaged, only a keen eye can detect them. Finding the missing number, you should immediately bring the focus to the magnifying glass, then noted with the left mouse button. This number immediately disappear from the picture as well as a list of unresolved numbers. In this spirit must continue to until all the missing numbers will not be detected, then the player will be able to go to the next picture.