The post-apocalypse has been played out many times. A viral outbreak leading to the collapse of society has become a rather generic standard. Many have tried and some have prevailed; but none quite like The Last of Us.
The dystopian remnants and unforgiving journey show elements of inspiration from the likes of The Road and Children of Men. But most importantly, it shows a very different Naughty Dog to the typecasted creator of adventures like Uncharted or Crash Bandicoot.