The available number of buildings for installation increases with every upgrade of Headquarters. All buildings players can place as they want and where they want and therefore it is very important to make the correct base defensive layout. As for me, I think that strong defense is the key to a successful game in Boom Beach and the game strategy should be built on the successful defense. In this post I’ll share my experiences and try to show the best layout strategy in the early stages of the game (HQ 5-8 lvl). I hope this post will be useful for beginners.. Optimal Defense Base Layout (HQ 5 – 8 lvl) HQ 8 Defense. In the Boom Beach after upgrading the Headquarters to level the optimal defense Base layout on this . Walk-through for Boom Beach levels, enemy bases, resource bases, missions, and task force operations..