There are 7 factions. 2 Nazi, 3 left Russian (anarchist, Soviet, socdem), 2 right Russian (fascist and bland authoritarian). Ukraine has 4. Caucasus is by far the craziest.Well duh, that's kind of a given by now; I was more stating my impression at how thoroughly convoluted it ended up being. I mean, there was about 12 different factions in the RK-Moskowien implosion alone! And that's not even leaving Eastern Europe!
I think Old World Blues is the best mod for HoI4. It’s not bloated, it’s not some choose your own adventure narrative, but a genuinely good modification made with love.