- The Danza: Anna is voiced by Anna Graves.
- The Other Darrin: Artyom's voice actor changed between this game and 2033. His new voice actor also voices him in the Redux version of 2033.
- Viral Marketing:
- Three internet episodes follow The Preacher, The Model, and The Commander. All three are major characters from the trailer, most notably The Commander being the soldier who condemns the civilians to the bomb blast.
- The Preacher is the same one cackling maniacally as the bombs were launched in the trailer. He's also the only one with some semblance of a happy ending, given that he seems to have become a respected clergyman to the Metro's denizens. Knowing the source material and that in general Metro is a Crapsack World , it's more likely he's leading a cult
- What Could Have Been: A Wii U port was being made early into the game's development and was even shown in a sizzle reel at Nintendo's E3 2012 conference, but the port was ultimately cancelled not long afterwards when the devs had trouble optimizing the game and didn't have enough time or resources to work on the port further.
Trivia / Metro: Last Light