is to get a match of 3 or more bubbles in the same color
touching each other by shooting them upwards. Once such
a match is achieved, those bubbles fall, along with any
others attached to them and none other (excluding ones on
the very top).
game has 10 levels, once a level is cleared, a bonus of 100
points will be added to the score.
A base line is placed above the score board, the game is over when a bubble is placed on the base line.