This mod was created for a first or second part,it's a big update of the vanilla version including more than 100 weapons, new textures and sounds for each. New textures have been added to the vegetation, sky, ground, rain ... New sound and light atmosphere day and night, increased difficulty, Ia more responsive and better equipped, now some monsters can radiate you, and a lot of other change!
A few screenshot of M.S.U v.3 in preparation, the sky textures from "AtmosFear 3" and a large part of the vegetation are issue of "Absolute nature 2", quality details and textures in low dense vegetation and low quality because my pc lack of memory RAM.