Ghost Recon Online - Developer Sitrep 2 : Becoming An Elite Ghost | HD 720p

Game - Ghost Recon Online
Publisher - Ubisoft
Developer - Ubisoft Singapore
Platform - PC, Wii U
Release Date - TBA

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

Fallout : New Vegas - Ultimate Edition Trailer | HD 720p

Game - Fallout : New Vegas (Ultimate Edition)
Publisher - Bethesda Softworks
Developer - Obsidian Entertainment
Engine - Gamebryo
Platform - PC
Release Date - 07 February 2012

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

Assassin's Creed : Revelations - Ezio's Fury 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/assassinscreedUK