STALKER: Shadow of Chernobyl – OGSR Mod is a mod developed on the basis of the previously released OGSE 0693. However, it is distinguished from its predecessor by numerous changes, which led to the appearance of its own name. Thanks to the project, the gameplay is filled with additional exciting quests, characters and plot branches. The gameplay also did not escape a certain transformation. The changes affected the equipment, weapon arsenal, gadgets and creatures encountered.

STALKER: Shadow of Chernobyl – OGSR Mod includes the following changes:

• The weapons of wounded participants do not drop.
• The immunity of the armored personnel carrier increases, which can only be destroyed with grenades.
• Elimination of the incessant sounds of shooting on the territory of the Chernobyl Nuclear Power Plant and Pripyat, the monolithic call within the sarcophagus.
• Disappearance of permanent markers on the map, which are promptly deleted.
• Increased feeling of hunger while jogging, climbing stairs, climbing surfaces.
• The disappearance of the limit on the number of creatures. inhabiting the Zone.
• Increasing the available number of allies. Now up to three characters can accompany the protagonist.
• Appearance of equivalent weapon slots.
• An open declaration of war between bandits and Svoboda members.
• Modification of the menu with the addition of a large number of additional features and others.