It is not necessary to run headlong into the first side, on the surface there may be too strong monsters, against which the average person has extremely low chances of winning. Kishkoobraznye levels will be replaced by open locations, in which players will decide which way to go. Numerous subway tunnels have sunk into the past, now the protagonist will have to fight the brutal surface, flooded with the strongest monsters and mutants, as well as a stricken monstrous dose of radiation.