The classic card matching game. Played over 10 million times. Test your memory! Simply flip the cards to reveal a matching pair. Race against the clock in single player mode or challenge your friends in the multi player mode. Play against people in the same building, state, or country. If you win the tournament, you get coins! Defend your high score and receive push notifications if someone beats yours! 4x4 and 6x6 on iPhone and iPod Touch, plus 4x5 and 5x6 boards for the iPad.