Assassin's Creed : Revelations - Gamescom 2011 Single Player Demo Commented Walkthrough | HD 720p

Game - Assassin's Creed : Revelations
Publisher - Ubisoft
Developer - Ubisoft Montreal
Platform - PC, 360, PS3
Release Date - 15 November 2011

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