You have to collect all pearls before they reach the end point.
When the pearls reach it, you will lose a life.
For every 10,000 points you will earn an extra life.

Use bonuses to speed up the game:

Freeze - pearls do not move
Slowdown - pearls movement will slow down
Reverse - pearls will move in the opposite direction
Accuracy - you will get a sight and faster ball speed
Explosion - 3 next pearls will disappear
Same Color - pearls of same color will disappear

Use Ctrl key to change pearl color.