Plot: Assassin's Creed II: Discovery is a video game for the Nintendo DS and iOS developed by Griptonite Games and written by Darby McDevitt. It's part of the Assassin's Creed series of video games. 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
Plot: Assassin's Creed: Altaïr's Chronicles is a video game released for the Nintendo DS, Android, iOS, webOS, Symbian, Java ME and Windows Phone. It is a prequel to the 2007 video game Assassin's Creed, developed by Gameloft Bucharest and published by Ubisoft. It was released in the United States on February...
Plot: Assassin's Creed: Multiplayer Rearmed is a spin-off video game released for the iPad, iPhone and iPod touch. It is developed and published by Ubisoft, and was released worldwide on 21 October 2011.
Plot: Assassin's Creed III: Liberation is a 2012 action-adventure video game developed and published by Ubisoft, and released on October 30, 2012 in North America, with a worldwide launch the following day, on PlayStation Vita. Wikipedia