Assassin's Creed II is an action-adventure video game developed by Ubisoft and released in 2009. It is the second installment in the Assassin's Creed series and follows the story of Ezio Auditore, a young nobleman in Renaissance Italy. Players explore cities like Florence, Venice, and Rome, engaging in stealth, parkour, and combat while uncovering a conspiracy against the Assassins. The game features an open-world environment, allowing players to complete missions at their own pace. It introduces new gameplay mechanics, such as the ability to swim and use a variety of weapons. Assassin's Creed II received critical acclaim for its engaging story, character development, and historical accuracy.