The city has been wiped off and sunk to the ocean bottom. All living creatures strive to survive and invented machines to adapt to the drastic change in environment. Competition amongst the different groups of survivors has led to the beginning of an underwater war! Your mission is to fight against the powerful Chaos Empire that has been making attempts to conquer everything that is left. You are fully equipped with all machineries and military weapons. There are so few heroes left but you are one of them! You must defeat the Chaos Empire to bring peace to the waterworld!
