These are difficult times. On the grounds of the old Moscow city depot, a religious sect known as "Witnesses of the Illyich" operates. Their goal is to carry out a radiation attack on Moscow and overthrow the constitutional order, led by the well-known fanatic Bonch-Bruyevich. As the commander of the GRU Special Forces, you have been tasked with clearing these deadly dungeons once and for all, as well as eliminating all unwanted criminal elements. Soldier, take pride in your work and lead your team forward, picking up new weapons as you go. There are numerous nooks and passages in the Old Metro, some of which conceal hidden places and other surprises.