The Security Service of Ukraine previously sent a team of military men to the Exclusion Zone, who were supposed to fulfill the task set by the leadership, but in the end the guys disappeared. This is an agent of the SBU in the past, with whom the hero will have to complete a difficult task. The main character, Major Degtyarev, received the first task - to find the commander of the checkpoint Medvedev. Stalker Call Of Pripyat starts from Cordon, where a military checkpoint was formed. Added almost two dozen types of weapons.The employer is a new NPC that can be encountered in freeplay.Old locations received additional quests.Military warehouses, Laboratory X18, Swamps, Red Forest, Agroprom and its dungeons, Cordon - these locations have been adapted.Here, the user is waiting for a variety of new tasks, by completing which he will be able to significantly influence the history of his ward in the game Universe. This is a global addon that covers the entire Stalker series. Stalker: Call of Pripyat - Sigerous will delight players with new quests, fixed lags, an updated save system, interface and item parameters.