No wonder my friends would play this game whole day long without wi-fi. This is certainly one of the best leisure games with exquisite interface and smooth operation!
All you have to do is setting a proper angle and let the balls in the tube to strike the blocks on deck. The numbers will counteract each other before all the balls go back into the tube. Balls with the same number can be synthesized exponentially.
As long as you've got enough IQ and good luck, you could reach a relatively high score and claim your exclusive reward!