Number Scramble:
It is a Game Puzzle.Actually it is an upgrade version of an old game "Number"

You need to arrange the number as
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15

Note: But there is certain case where you will get stuck but simply press the button "R" (by pressing R will reset your score)

Tags: number, number

Download