Anzan Flash is a popular mathematical game and sport in Japan.
Numbers appear and disappear one after another, sum them as they come, then input your sum result.
Try Extreme Version, to do more than sums, you must count points, make subtractions and then sum all.
You have 3 tries, and each 3 waves you advance one level.
Reach achievements: Monkey, Human, Genius, Robot and God.
Share your score with internet community, OpenFeint Supoport.
Good Luck.