All upgrades are free.
Dive into the harrowing depths of the deep sea and explore the underwater world.
Develop your submarine that will help you explore deeper into the unknown.
Discover long-lost creatures of the underwater world.
Attack four mythical underwater bosses, hell-bent on sinking your submarine.
★ Develop your submarine to increase your speed, strength and fuel capacity
★ Detect gold to buy in-store improvements
★ Maneuver your submarine around sharp ravines and schools of underwater creatures swimming dangerously towards you