Bulletstorm - E3 2010 Cliff Bleszinski Walkthrough

Game - Bulletstorm
Publisher - Electronic Arts
Developer - People Can Fly
Engine - Unreal 3
Platform - PC, 360, PS3
Release Date - 22 February 2011

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

Quantum Theory - E3 2010 Gameplay Trailer

Game - Quantum Theory
Publisher - Tecmo Koei
Developer - Team Tachyon
Platform - 360, PS3
Release Date - 12 October 2010

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