An extensive overhaul, emphasizing detailed and realistic chemistry, materials, and production. Extends the base game to marathon-style scope and difficulty.
Large total conversion mods.
Why iron ore is orange and copper ore is silver color ?
Because these colours are more realistic than the vanilla colours for these ores.
This may be more realistic, but it is a bit confusing. Is it possible for you to make some settings to switch color ?
Sorry, I don't think I'm going to have time to look into this anytime soon.