Blacklight : Retribution - Containment Trailer | 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

Street Fighter X Tekken - TV Commercial Trailer | HD 1080p

Game - Street Fighter X Tekken
Publisher - Capcom
Developer - Dimps
Platform - PC, 360, PS3, PS Vita
Release Date - 06 March 2012, 11 May 2012 (PC)

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

Dead Or Alive 5 - GDC 2012 Gameplay Trailer | HD 720p

Game - Dead Or Alive 5
Publisher - Tecmo Koei
Developer - Team Ninja
Platform - 360, PS3
Release Date - TBA 2012

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

Mass Effect : Infiltrator - Launch Trailer | HD 720p

Game - Mass Effect : Infiltrator
Publisher - Electronic Arts
Developer - EA Mobile Games
Platform - iOS
Release Date - 06 March 2012

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