The Assassin's Creed series was famous for its freedom in the open world. Players can freely explore various areas in the game to complete missions and choose their own routes and story lines. There were many free exploration areas and missions in the game that allowed players to freely create their own game world. The Assassin's Creed series also focused on character development. Players can choose different characters, each character has its own unique skills and characteristics, and can make different choices in the game to affect the outcome of the game. The Assassin's Creed series had a rich plot and character development, as well as a rich set of missions and challenges. It was considered a game with a high degree of freedom.