[Game overview]
The numbers indicate the distance from "0". Use that as a hint to find all the "0"s.
[Number of "0"]
7x9 size: There are 6 "0" s.
9x13 size: There are 12 "0" s.
13x19 size: There are 24 "0" s.
[End of game]
When you find all the "0"s, the game ends.
You can end the game at any time by pressing the END button even in the middle of the game.
[Registering the minimum number of searches]
If the number of searches is less than the previous game, it will be registered as the minimum number when the game ends.
You can clear the registered number of searches by long pressing the value.