Penguins attack 4
Penguins attack by big forces on some waves of attack for time! You need to strengthen as much as possible approaches to the base, having established protective towers along the alleged line of attack. Why the estimated? – because unlike others online of games of this genre, competent installation of protective towers will not only promote blows to the enemy, but also considerably will bend and will extend a way of the opponent to your base!
However there is one more feature – existence at the opponent of aircraft which as it is simple to guess, will fly to your base on a straight line! Therefore you have to strengthen this trajectory in advance! For the rest all on the former: kill enemies, and on the money which dropped out of them buy and pump over new defensive towers!