A fun puzzle to new extremes,is unable to let it go game.Game data algorithms,allows users to play out better grades,get better grades ...it is easy to play,is the same figure superimposed together,added by becoming larger,until the box is filled by digital sum of all numbers.Wisdom of the time has come to test you,what are you waiting,come and challenge! May choose to slide up and down every time,each time you slide,all of your digital box will move closer towards the direction of sliding,the system will appear somewhere in the space of a new digital box,box in close,when it collided with the same digital are added.Continue stacking finally piece together the largest number,see if you can get much.Although is simple addition operation,should pay attention to is that only the same number can add up.Are you ready?