Position defense in Merge Survival turns base defense into a test of your tactical thinking and ability to combine units at the right time to create powerful guns. You'll have to strategically place your guns, trying to quickly fend off waves of enemies at every stage of this intense process. Carefully monitor the remaining ammunition and merge elements in time to prevent a breakthrough in the defense and quickly strengthen your lines in Merge Survival. For each destruction of invaders and successful survival in conditions of scarce resources, you are awarded game points. Quick reaction to changes in attack direction and correct calculation of firepower will help you cope with the increasing complexity of battles. Your ability to masterfully coordinate the balance of forces will be the key to your victory.