From VG247: “The Metro series of games, based on the novels by Russian author Dmitry Glukhovsky, are coiled around a fear of the foreign.
Theyre about nuclear annihilation and Cold War paranoia, of course, but the FPS series is also themed around communities retreating inwards, banding into smaller groups, terrified of outsiders.”
Source: N4G PC The optimism of Fallout and the pessimism of Metro – video games Cold War