( brain Games challenge Single Player) The application contains 20 different and varied exercises of mind. Play with your Friends. There are 20 styles to play: 1 - Save Places : remember all hidden squares. 2 - Square Dfferent : press on different squares. 3 - Memory Game : remember all same shapes. 4 - Find Numbers : press numbers in ascending order. 5 - Alone Square : press shape that exist one time only. 6 - Differents Game : compare between squares in top and in bottom and press on differen