When you tap start button, a game starts.
A number from 1 to 16 is hidden.
Please find the number that is hidden by tapping a button.
Please find the place where "1" is hidden first.
If the place where "1" is hidden is found,
Please find the place where "2" is hidden.
Please repeat itself from 1 to 16 in this way.
When you fail to find the place where a number is covered, the scores decrease.
It supports GameCenter which can compete with a world player.
Please challenge the limit.