@DSOGaming S.T.A.L.K.E.R.: Shadow of Chernobyl has a mod called Lost Alpha which recently released a new version. Video at the link.
More information.S.T.A.L.K.E.R. - Lost Alpha features new levels and enemies, overhauls the game's visuals, and packs numerous gameplay improvements and enhancements. Version 1.4007 features a lot of mods, both polished versions of the old ones, and brand new mods, like the beautiful Extended Weather.
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