**Instructions**:

**Goal**: To remove all balls. To remove balls, clicking
on one ball removes all touching ball of the same color/pattern. Remaining
balls will fall to filling in empty spaces. There must be at least two
ball touching to remove balls.

**Settings**: Click on settings button. Select 3 - 7 balls.
The greater the number of balls selected the more difficult the game.

**Score**: Formula the number of the balls minus 2 raised at power
2 multiplied by the number of the different types of the balls in the
game greater than 2.

So, take x balls, y types of balls (* sign means multiply)

2 balls, 3 types of balls (2-2)*(2-2)*1=0

3 balls, 3 types of balls (3-2)*(3-2)*1=1

4 balls, 3 types of balls (4-2)*(4-2)*1=4

5 balls, 3 types of balls (5-2)*(5-2)*1=9

5 balls, 7 types of balls (5-2)*(5-2)*7=63