1. Touch 'START'
2. Wait for it to count down . . . 3, 2, 1.
3. Quickly memorize the numbers' positions on the
screen before they disappear, then click each blank circle from
the smallest number to the biggest number that you saw.
4. At the end of game, the computer will tell you
how old your brain is.
Obviously you want a number lower than your actual age.