Guerrilla Games have released a 20 minute video showing new gameplay from their upcoming PS4 title Killzone: Shadow Fall. The video features some previously seen footage, as well as never-before seen gameplay. The developers also reveal some new details about the game, including information about the design and technology used to create the game.
http://www.youtube.com/watch?feature=player_embedded&v=QkRaTgb8oCk