The main emphasis of the Shadow Of Chernobyl Update modification was on improving the graphics, adding new technologies to the game or processing old ones. In addition, sounds, character models and their animations were replaced in the fashion, models of various objects, weapons and other things were replaced. The locations were improved, the effects in the game were replaced, and new weather appeared. The modification also makes changes to the balance of the game and adds various gameplay innovations. A project was developed based on OGSR with many copyright edits.