Multi-colored round chips will fill the playing field at each level of Stack Up. To pass, it is necessary to collect a certain amount of piles of tiles of the desired color. The task in the panel at the top indicates not the number of tiles, but the number of piles that need to be formed. To collect stack, combine in the chain three or more the same element color, you can not pay attention to numerical value. Keep in mind that the number of moves is limited, you will find their limit next to the task at the level in Stack UP.