Metro: Last Light refuses to let you go (review)

I was running out of time and ammo. Mutated wolves, freakish crustaceans, and a flying demon were relentlessly hunting me through the swampland. According to my watch, I only had 15 seconds left of breathable air in the gas mask. I had two choices: either let the wildlife eviscerate me from head to toe or suffocate to death from the surface’s radioactive atmosphere.