The main aim is to survive until a chopper with the rescue team arrives. The gameplay: the player shall monitor the health indices; look for the items like food, water, medications, burner gas in the possessions other fishermen left behind. These items will help him last for another several hour.
The player’s dreams will feature the challenges, determining his spirit and state of mind. The worse the latter are, the tougher it is for the player to survive, while the challenges will become more and more complicated.