You can drag & drop blocks onto the grid to create rows, columns, and squares.Features:Move a square to next Empty place on grid by using "Move A Square" buttonClear a Square usning "Hammer" buttonClear a Vertical or horizontal line using "Roller" buttonClear a 3x3 box using "Bomb" buttonClear same color squares by using "Color Bomb" buttonMove all squares down by using "Heavy Hamer" button