The Faction Pack, all new content for Metro: Last Light is Now Available on Steam for £3.99.
Experience 3 original Metro missions as a specialist from the different factions. Play as a Special Detachment Sniper of the Red Line, a Hanza Ranger, and a Reich Heavy Squad Soldier. This pack also includes 5 new deadly weapons: the Abzac, Hellbreath, Medved, C4 Grenade, and the Silent Sniper Rifle.
Via Steam News