Assassin's Creed IV: Black Flag is an action-adventure video game developed by Ubisoft. It is the sixth major installment in the Assassin's Creed series and was released in 2013 for the Nintendo Wii U platform. The game is set in the Golden Age of Piracy and features naval exploration, battles, and hunting. Players can visit various locations such as Havana, Kingston, and Nassau, and engage in combat with pirates, Spanish forces, and the British navy. The game received an M rating for mature content.