Change Color - To complete the level you have to flood the board with a single color.Start from the left top corner.Press buttons to change colors.Every level has its own maximum number of steps in which you have to flood the board. Next level is unlocked when the previous one is completed
Marine life Line - You have to line up at least 5 Marine life of the same and then they`ll disappear. The more Marine life of the same you lined up the more scores you can get. In each turn you can change the position of one Marine life, but once in place if there aren`t five of the same, three more appear