https://pcgamingwiki.com/wiki/Hellforce ... dowmaps.29
It's a basic vortex shader file, which should fix the incorrect rendering of lightmaps. In order to use it, extract the files and move vshader folder to a game directory.
https://community.pcgamingwiki.com/file ... htmap-fix/
Same issue as with Stalin Subway I believe, which is the same engine.