Soulcalibur V - Behind The Game : Project Soul | 480p

Game - Soulcalibur V
Publisher - Namco Bandai Games
Developer - Project Soul
Platform - 360, PS3
Release Date - TBA 2012

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

Postal III - E3 2011 Grindhouse Trailer | HD 720p

Game - Postal III
Publisher - Akella
Developer - Running With Scissors
Platform - PC, 360, PS3, Mac, Linux
Release Date - TBA 2011

Source
http://www.youtube.com/user/postal3videos

Uncharted 3 : Drake's Deception - Airstrip Flythrough Trailer | 480p

Game - Uncharted 3 : Drake's Deception
Publisher - Sony Computer Entertainment
Developer - Naughty Dog
Platform - PS3
Release Date - 01 November 2011

Source
http://www.youtube.com/user/G4VideogameTrailers

Mortal Kombat - Kenshi Trailer | HD 720p

Game - Mortal Kombat
Publisher - Warner Bros Interactive Entertainment
Developer - NetherRealm Studios
Platform - 360, PS3
Release Date - 19 April 2011

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