While the games are often presented through protagonist Desmond Miles, the bulk of the game is played as Desmond experiences the memories of his ancestors through an advanced device called the Animus.
Sementara permainan ditampilkan melalui protagonis Desmond Miles, sebagian besar dari isi permainan ini dimainkan saat Desmond mengalami memori pendahulunya melalui perangkat canggih yang disebut Animus.