inFamous 2 - Gameplay Trailer

Game - inFamous 2
Publisher - Sony Computer Entertainment
Developer - Sucker Punch Productions
Platform - PS3
Release Date - 05 July 2011

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

Singularity - Multiplayer Gameplay Trailer (from Singularity Community Event)

Game - Singularity
Publisher - Activision
Developer - Raven Software
Engine - Unreal 3
Platform - PC, 360, PS3
Release Date - 28 June 2010

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

DC Universe Online - Group Combat Alerts : Gorilla Island

Game - DC Universe Online
Publisher - Sony Online Entertainment
Developer - Sony Austin
Engine - Unreal 3
Platform - PC, PS3
Release Date - 31 March 2011

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

F.E.A.R 3 - New Year's Resolutions Trailer

Game - F.E.A.R 3
Publisher - Warner Bros Interactive Entertainment
Developer - Day 1 Studios
Engine - Despair
Platform - PC, 360, PS3
Release Date - 22 March 2011

Source
http://www.youtube.com/user/FEAR3VIDEOGAME

Lara Croft And The Guardian Of Light - Raziel And Kane Character Pack Trailer

Game - Lara Croft And The Guardian Of Light
Publisher - Square Enix
Developer - Crystal Dynamics
Platform - PC, 360 PS3
Release Date - 360 :18 August 2010
PC, PS3 : 28 September 2010

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