In the deep sea in Aquar.io unblocked, you become an angler fish queen swimming around the ocean to hunt for food. You need to eat them as much as you can for creating more fishes and merging them together to create a big army for yourself. Once your army gets larger, you can go take on tough enemies and eat them all. Do your best to keep your army safe from the danger around. Play Aqua.io game for ocean domination!