Beat screen slowly filling with bubbles and destroy as many of them as possible to move to the next level.
Earn points by selecting groups of squares of the same color.
You can select and clear from the game board groups of 3 and more objects. New lines of squares will be felling from the top of the screen.
To move to the next level you need to add number of rows shown in the right top corner, each level you should add more rows then before.
You will get more points for group of 6 cubes, then for 2 groups of 3 cubes.