The House Of The Dead : Overkill (Extended Cut) - Extended Cut Trailer (Short Version) | HD 720p

Game - The House Of The Dead : Overkill (Extended Cut)
Publisher - Sega
Developer - Headstrong Games
Platform - PS3
Release Date - 25 October 2011

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

Blacklight : Retribution - Developer Diary Part 1 : Intro To BLR | HD 720p

Game - Blacklight : Retribution
Publisher - Perfect World
Developer - Zombie Studios
Engine - Unreal 3
Platform - PC
Release Date - TBA

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

X-Men : Destiny - Brotherhood Of Mutants Trailer | HD 720p

Game - X-Men : Destiny
Publisher - Activision
Developer - Silicon Knights
Platform - 360, PS3, Wii, NDS
Release Date - 27 September 2011

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

Trine 2 - Puzzle Solving Skills Trailer | HD 720p

Game - Trine 2
Publisher - Atlus USA
Developer - Frozenbyte
Platform - PC, 360, PS3
Release Date - Q4 2011

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

XCOM - Developer Diary No. 1 : What Is XCOM | HD 720p

Game - XCOM
Publisher - 2K Games
Developer - 2K Marin
Platform - PC, 360, PS3
Release Date - 06 March 2012

Source
http://www.youtube.com/user/2KGames