The new Demosfen Stalker mod based upon the Call of Chernobyl base is quite good, with some nice new maps and edited maps such as Rostok and Cordon. The graphics are nice. I have only had one crash. The Rostok area has an underground complex underneath the Rostok bar, this is quite extensive and does not look rushed either. Considering the conditions of the zone, this would make sense. There is another map near Garbage, which has another huge underground tunnel network, this leads to Lab x1, which is guarded by strange dinosaur monsters. it is very good when a mod makes new maps and edits existing ones, this shows that you actually care about your mod. Just as in Call of Chernobyl, you may select a starting faction and other parameters to start a new game, the only issue is the lack of an English translation. But it is easy to work out what to do. Another thing is the ballistics, Bandits wearing standard coats take 2-3 9.3mm rounds to the head before dying. This is BS. Hopefully this can be fixed. Modding can address this issue.
Download the Demosfen mod here: https://drive.google.com/drive/folders/1VHAP6UfsO0FwZWYKzqnQXyUDCRInjfJn. This is a big download, but well worth the time, the language may be changed to english in the options, but not everything is translated. but what is translated is very good. And the carry weight and rewards for selling items may be increased as well. This is quite stable in Directx 10. But I am not willing to try Directx 11 at all. It still does not look that good in increased graphics quality. Dead Air is still the king of quality graphics on that front. Give this mod a try and see how you go with it. I enjoy it as it has new sights and enemies such as Dinosaurs, and the Skyrim treebeard enemies as Controllers. That is interesting. Many Stalker mods do this, like New Arsenal 6 having sounds from another game, the nazi voices for the Monolith enemies. Demosfen also has friendly dogs and cats roaming around Rostok factory. This does not really have much of an impact on performance, this does run stably in high graphics modes, but it is good to save often anyway.
Information about the mod is here. But the author cannot work out how to use Moddb, so it is not available from here: https://www.moddb.com/mods/demosfen/.
The underground laboratory under Rostok seems to be one devoted to analyzing artifacts, but there are no scientists around the area. This is a missed opportunity to have a central location to sell artifacts to the scientists and make quite a lot of cash. The strangest thing in this mod is either the Deathclaws from Fallout 4, or the Fiend from the Witcher that was added to this mod for no reason.
