1 Turn on the ps4 power supply … 2 Enter the ps store 3store and find "Code Input" on the left hand side. Enter your special code, and then he will download it automatically, and it will be ok. I remember that I am the captain's uniform and the person in charge of the ship of death in black sails. These special codes are scattered in the treasure boxes of various islands. After downloading the feature, you have to find the treasure chest yourself to really get it. One island seems to be called the dark island, and the others have been forgotten for too long.