If you want to check your observation, then try to go through all the levels of the new online game Memory Cards. Before you on the screen will be visible the game field on which you will see the cards. You will need to carefully examine all of them and find two cards of the same advantage. Now just highlight them with a click of the mouse. Thus, you will remove them from the game field and you will get glasses for this. The level in the game Memory Cards will be passed when you clean the field from all cards
