Pop group of 2 or more same colored bubbles and they will disappear adding point to you.
Number of point for each burst bubble depends on number of bubbles in the removed group.
To move to the next level you need to burst bubbles from the board, each next level you should burst more tiles then before.
You will get more points for group of 6 tiles, then for 2 groups of 3 tiles.
There are two game modes: Classic and Mega Shift.