Drag number tile to the block on the grid then It will be merged
into the sum of the two numbers. At least 3 same adjacent numbers
will complete one merge.You have 5 number tiles in the start Drag
the right side number tile from the bottom tile bar area to any
block on the grid. When the dragged tile meet the block on the
board numbers on the block will change to the sum of numbers on
both blocks. Three or more adjacent blocks of the same number will
trigger a triple-clear and then merged to a new block with its
number plus one. Upon each triple-clear you will get a new tile to
drag. You can hold up to 5 tiles to drag. When the number of bottom
tiles drop to zero the game is over.