Sea

The Sea is a large body of salt water and the main location in Deep Sea Hunter and Deep Sea Hunter 2, this is the place where sea creatures are found, the mechanic Depth is used for indicate the depth in that the Submarine goes, The Sea almost covers the whole map of Deep Sea Hunter 2, but leaving ground areas, Sea has a very deep ground.

Deep Sea
The Deep Sea refers to the lowest layer of the sea, in Deep Sea Hunter and Deep Sea Hunter 2, this is the layer where sea monsters are found, in Deep Sea Hunter, the sea monsters appear at once in different places, in Deep Sea Hunter 2, they are encountered in Caverns, Deep Sea is considered dangerous as in the real life, In the two games, It ends in a completely black background.

Seaweed
The Seaweeds are aquatic plants that are found mostly in corals and other marine habitats, Seaweeds are seen in the Deep Sea Hunter 2 background of the sea, Many of the seaweeds seen in the sea background are teal and sea green.

Aquatic Transports
The Transports are machines that are used in the movement of humans, animals and goods from one location to another, this means Transportation, some of the aquatic transports are submarines, boats, ships and rafts, Aquatic transports can go through water as this transport type suggests.

Water
Water is a transparent chemical substance that is mainly used for the seas, rivers and lakes, Water can be also known as a edible drink by humans, according to the science, Water covers 71% of the Earth's surface, explaining why Earth is mostly blue, The Water has three states: Solid, Liquid and Gaseous.

Trivia

 * The Sea in Deep Sea Hunter currently is infinite, but however, each zone in that you dive depending from Longitude and Latitude in Deep Sea Hunter 2, each zone has a low ground.