The Deep: Ushinawareta Shinkai

The Deep - Ushinawareta Shinkai is a submarine simulation game with some adventure parts. The game begins when a plane crashed in the Atlantic Ocean, and the day after the accident the organization for which the player works start an underwater expedition to find the rests of the crash.

In the game the player drives the submarine and is really hard to understand where to go, since the controls are really complicated and the map is hard to understand. But if the player understand japanese he can enjoy the exploration of the underwater sea...