Assassin's Creed: Project Legacy is a single-player browser role-playing game Facebook application, designed as a promotion, and tie-in for Assassin's Creed: Brotherhood. The game is mostly text-based, but includes graphics and sound as well as some video.
Players are test subjects for Abstergo Industries who relive the lives of other test subject's ancestors through the DDS (Data Dump Scanner) as opposed to the Animus. These ancestors are Assassins.
The first mission pack is titled "Italian Wars," and is divided into four chapters. Chapter 1 focuses on Bartolomeo d'Alviano during the Battle of Agnadello. Chapter 2 focuses on Francesco Vecellio on a mission to kill Niccolò di Pitigliano (cousin of Bartolomeo d'Alviano). Chapter 3 focuses on Mario Auditore and the protection of Monteriggioni. Chapter 4 focuses on Perotto Calderon, an undercover assassin who watches over Lucrezia Borgia, with whom he falls in love.
The second mission pack, entitled "Rome," was released November 16, 2010. The first chapter takes place between 1497 and 1503, and deals with the ex-courtesan, Fiora Cavazza. It deals with Fiora's involvement in recruiting an army for the Borgia, and her subsequent betrayal. Chapter 2 takes place in 1503, and involves Giovanni Borgia, fleeing his family and eventually joining the assassins. Chapter 3 involves Francesco Vecellio, and his training to be an assassin under Ezio Auditore. Chapter 4 again focuses on Giovanni Borgia, now an Assassin and joining Hernán Cortes on his journey to Tenochtitlan to acquire a "Piece of Eden," one of the Crystal Skulls. Giovanni brought it to Bombastus for study, resulting in the discovery of the formula for the Philosopher's stone.
The third mission pack, entitled "Holidays," and its first Chapter called Ghosts of Christmas Past were released on December 21, 2010 with further missions to be released in 2011. The first chapter takes places at various places in history, it takes place in the World War I Christmas Truce, with the Beagle 2 truth, the return of Charles II back to England and Shroud of Turin
An upcoming 4th story pack, "The Divine Science Story Pack" is coming soon to the game. Also, an updated User Interface, referred to as the "DDS 2.0" is also coming soon, with enhancements and an easier way of choosing mission packs & crafting equipment.