Driver : San Francisco - Mobile Launch Trailer | HD 720p

Game - Driver : San Francisco
Publisher - Ubisoft
Developer - Ubisoft Reflections
Platform - Mobile
Release Date - 20 September 2011

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

Gears Of War 3 - DLC Characters Gameplay Trailer | HD 720p

Game - Gears Of War 3
Publisher - Microsoft Game Studios
Developer - Epic Games
Engine - Unreal 3.5
Platform - 360
Release Date - 20 September 2011

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

Karma Online : Prisoners Of The Dead - GM Event Trailer | 480p

Game - Karma Online : Prisoners Of The Dead
Publisher - Joymax
Developer - Joymax
Platform - PC
Release Date - TBA 2011

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