A total conversion mod that replaces all factions with original story ones. This is a sci-fi apocalyptic tale of how mankind is close to extinction and pay attention to the advice of a species similar to them who've been watching them for millenniums and are really not ready to see them die.
Mech General is fully capable of taking on the Overlord Monstrosity!
Its great. It means it doesn't take too much to destroy these things.
I've also observed MISSILES are effective on the Overlords.