Assassin's Creed : Brotherhood - Thank You AC Facebook Fans (HD 720p)

Game - Assassin's Creed : Brotherhood
Publisher - Ubisoft
Developer - Ubisoft Montreal
Engine - Anvil
Platform - PC, 360, PS3
Released Date : 360, PS3- 16 November 2010
PC - Q1 2011

Source
http://www.youtube.com/user/AssassinsCreed