There is a field on which pairs of different cards are located. We need to find matches. When pressed incorrectly, a pair of open cards is hidden. If true, it remains open. You need to open all the cards. This game is for the mind. It improves memory, attention and concentration in a short time. All levels of the game are free. After completing the level, there are ads that can be turned off by purchasing an in-app purchase. The game works without the Internet. You can play offline. Great for those who need travel games.