The game was released for Google Stadia in September 2021. It was later ported to the Nintendo Switch as part of The Rebel Collection alongside Assassin's Creed Rogue in December 2019. Black Flag was originally released for PlayStation 3, Xbox 360, and Wii U in October 2013 and a month later for PlayStation 4, Windows, and Xbox One. Its historical timeframe precedes that of Assassin's Creed III (2012), but its modern-day sequences succeed III 's own.
It is the sixth major installment in the Assassin's Creed series.
Assassin's Creed IV: Black Flag is a 2013 action-adventure video game developed by Ubisoft Montreal and published by Ubisoft.