Concentration , also known as Memory, is the classic card game that can be enjoyed by all ages.

* Rules
In turn each player chooses two cards and turns them face up. If they are of the same rank, then that player wins the pair and plays again. If they are not of the same rank and color, they are turned face down again and play passes to the player on the next. The game ends when the last pair has been picked up.

* SINGLE PLAY
This mode is to train the memory alone.

* VS.COM
Computer and you will play against. More number of cards taken is often wins. The strength of the computer is 16 stage.