If you can't find the specific older mod you're after, these modern "standalone" mods are currently the most popular way to experience a more intense, "Black Stalker"-style Zone:

: While mostly English-focused, many classic mods are mirrored here. You might find it under English titles like "Black Stalker" or "Shadow of Chernobyl Overhaul."

: A massive Russian-language repository that frequently hosts story mods, including various versions of "Chernyi Stalker" with direct and torrent download options.

: One of the most reliable sites for the Russian modding community. They provide dedicated pages for almost every major mod, complete with installation guides and links to torrent mirrors.

If you are looking for the classic "Black Stalker" mod or similar story-driven overhauls, you can usually find them on major community hubs: