Block Number USA

How to play:
* First: Touch on a number, then the same numbers around it will be auto selected with gray color.
* Second: Touch on the selected block of numbers, they will be remove.
* If all numbers are removed or your score is greater or equal the level score, you will go to the next level.
* Example How to calculate score:
A block of numbers have 10 numbers with value = 1 then the added score = 10
A block of numbers have 10 numbers with value = 2 then the added score = 10*10 = 100
A block of numbers have 10 numbers with value = 3 then the added score = 10*10*10 = 1000