The Metro series has its roots in war-scarred post-apocalyptia, as such, it grapples with a lot of themes: The indescribable cost of nuclear war, the grim, complicated grey at the heart of humanity, and the cost of human life in a world no longer built to support it.
Which, to those developers who founded the studio in Ukraine and have been under similar duress as their contemporaries at GSC, has become all too real of a prospect. The studio even tragically lost one of its animators, Andrii 'Nizrok' Korzinkin, who fought and died in Russia's ongoing invasion of Ukraine in 2022.