Command and Conquer Generals Zero Hour
Here's an eight player map in which it appears to be darkish and rainy. It is laid out like Twilight Flame, at least in the start positions.
A 8-Player multi-play online only map for Zero Hour, map is mountainous and desert like, with patches of green tropical oasis here and there.
Eye appealing and detailed 8-player Temperate map from cncfan32.