An introduction to Assassin's Creed Revelations, a historical action-adventure video game developed by Ubisoft Montreal and published by Ubisoft. The game is the fourth installment in the Assassin's Creed series, a direct sequel to 2010's Assassin's Creed: Brotherhood. Gameplay consists of the player taking the role of protagonist Ezio Auditore da Firenze, a master assassin who must travel to Constantinople and discover the dark secrets of the series' secret societies. In addition, the game introduces new game mechanics such as ziplines and an impr