Metro: Last Light Faction Pack Released and Trailer

The plot of Metro: Last Light was written by Dmitry Glukhovsky, acclaimed author of the novel Metro 2033 which inspired the creation of both video games
Releasing a new video, Deep Silver announced that Faction Pack, the first DLC (downloadable content) for Metro: Last Light, the sequel to Metro 2033, is available now via Steam and Xbox LIVE - the PS3 version also arrived today on PlayStation Network in North America and will launch tomorrow in Europe and the rest of the world.
The Faction Pack includes three original single player missions, each casting the player as a different specialist from the warring Factions. Returning to some classic locations from Metro 2033, these missions feature new weapons (the Abzac, Hellbreath, Medved, C4 Grenade, and the Silent Sniper Rifle), the return of a truly terrifying mutant foe, and offer three distinct gameplay challenges.