This is a candy crush game. Code-along project from Ania Kubow's Youtube Channel There are some bugs 3 by 3 match don't work 4 by 4 match don't work anything that is length longer than 3 with match don't work if there are any matching pair outside of the straight line of length 3 or 4 if ideally, matched 3 by 3 or 4 by 3 or 4 by 4, the line falling down from the top is not completed as expected.