Assassin's Creed : Revelations - Secrets Of The Ottoman Assassins Episode 3 : Den Defence Trailer | HD 720p

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

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