There are many elements included into the game. The most recognizable are the characters, storyline, and clothes in game. Pirates of the Caribbean clearly had some influence. There are characters and items ingame that show this for instance, the NPC Jack Arrow, who represents Jack Sparrow. William, a blacksmith, Elizabeth, Captain Barbossa, and even Davy Jones' chest.
The game also borrows from the one of the most famous Shonen Jump manga and anime, "One Piece". The item mall has many clothes representing some characters from the show. Example: Straw set, Sexy set, Shaitan princess set, Happy Reindeer set, Brutal Chef set, Smoker navy set etc.