Metro: Last Light is a post-apocalyptic video game set in the year 2034. The world has been reduced to rubble and the remaining humans must survive in the tunnels of Moscow's Metro system, where they are threatened by mutants from both above and below ground. As Artyom, players must journey through this harsh environment, struggling against opposing forces who fight for control of a powerful doomsday device hidden within D6. It is up to Artyom to save humanity from extinction before it is too late.