Human Devolution 1.0
According to the experiment,
the chimpanzee seems to be able to memorize nine number in 0.2 seconds.
If the ancestor of man is a monkey, you should be able to do.
This game rule is simple, and understood by the monkey.
1 through 9 appear numbers in order to press.
Now let's challenge the chimpanzee!
Requirements: iOS 2.0 or later. Compatible with iPhone, iPad, and iPod touch.