Bloble.io is a Strategy IO game consisting of so many tough challenges. When you join the arena, you have a realm with a restricted amount of space. Your task is to keep it safe all the time by placing 7 kinds of buildings, such as walls, houses, snipers, generators, turrets, barracks and armories. Try to increase your power so that you can improve these buildings, which will give you a better defense. Do not let any enemies attack your realm, fight them off, and survive longer!