Brewery Defender!!

The brewery attack strangers. Residents of the town well, does not survive without beer. Help protect the brewery from any damage, and of course from its destruction. Use the force of helicopters that you allocated the city government. Using your mouse move the helicopter left and right. Do not let the balls fall from the sky to get to the brewery building. Also, you are supposed to be protected from damage machine with beer, which depart from the brewery and are in the city. Be careful and cautious!