Plot: Assassin's Creed: Brotherhood is a 2010 action-adventure video game developed by Ubisoft Montreal and published by Ubisoft. It is the third major installment in the Assassin's Creed series, and a direct sequel to 2009's Assassin's Creed II. Wikipedia
Plot: Assassin's Creed: Bloodlines is an action-adventure video game for PlayStation Portable, part of the Assassin's Creed franchise, taking place in between the events of Assassin's Creed and Assassin's Creed II. Wikipedia