Square Stacker. In this super addictive puzzle game, your task is to stack squares on a board and earn as many points as you can. Arrange squares of the same color into a straight line to destroy them. Stacked squares of the same color give bonus points. The game ends when there’s no space left to place any more squares. A fun puzzle game where you must stack strategically in order to get a top score. Can you clear the board? Enjoy and have fun in playing this free online game.