Wait, what? Let me get this straight, you want more enemy variety in a game where you fight humans almost exclusively, though most importantly you want slower pace and time to explore during events of world war or other major modern conflicts where, and this may sound strange to you and only you, pace and conflict should be fast and hectic to begin with, because you know, it's a war and all, you actually want to immerse yourself in a war game with slower pace and time time to explore, not the other way around...