http://www.playstationlifestyle.net/2013/09/02/more-killzone-shadow-fall-multiplayer-details-revealed-weapons-attachments-and-more/ http://www.vandal.net/noticia/1350642014/detallado-el-multijugador-de-killzone-shadow-fall/ http://gematsu.com/2013/09/killzone-shadow-fall-multiplayer-detailed
