Left Brain Right Brain 2 - Nintendo DS 20 all new games to the series based on speed, accuracy, association, recognition,memory and strategy Compare your results from each hand to see just how ambidextrous you are Check on the frequency of exercises and how much the brain was stimulated or activated from the exercise Book-style play challenges you to flip the DS over and around to develop your hand-eye coordination with both left and right hands Challenge a friend in Single and Multi Card Multiplayer