Sean Halliday of Gamer Euphoria writes:
''Metro: Last Last was a dark, atmospheric shooter that did so many things right and only a few thing things wrong. So much so that it was truly one of the better games to be released earlier this year, perhaps even this generation. So how do you add content to such a fantastic experience? The Factions Pack is the first piece of story-driven downloadable content to be released, but does it add anything worth playing? Well, not really.''