Metro 2035 Factions. It goes off in an alternate reality where the spartans died at d6 as explained in the top right, which is not canon what is odd is that is mixes in some fan. The invisible watchers are all factions in the metro, therefore, they are the only faction and are by default the best faction.
The characters in metro 2035 come from diverse backgrounds but share a common history of surviving the nuclear apocalypse. This is the category page for factions.