Penguins Attack 4
Well, it seems like penguins never give up! They’re back with a vengeance, greater in number, armed to the beak, and determined to conquer the world! Soldier, defend yourself! Place your defensive towers wisely – some of them slow the enemy down, whereas others electrocute, burn or poison those pesky penguins. Show no mercy to those devious penguins with their cunning plan to conquer humanity!