https://www.ubisoft.com/en-us/game/skull-and-bones/

UBISOFT 아이디로 로그인 한 뒤 플렛폼을 선택하고 신청하면 됩니다.

http://store.steampowered.com/app/370010/Skull__Bones/

출처 : http://bbs.ruliweb.com/pc/board/1003/read/2130186?

원본출처 : https://www.ubisoft.com/en-us/game/skull-and-bones/