This is an original design that perfectly trains memory. The first level of the game is the assumption that you can understand the principle of the game. To finish it, you need to disclose all the pictures of memory. Pictures open when simultaneously disclosed two identical images. The second level on the order of fun, now the cards are placed in two separate fields. You can open a card in one field, and then one card in another field. When all the cards are open-doubles - you can move to the third level, which will surprise you more.