Well, first off all. The mod is absolute dogshit, there is very little quality stuff being put in there and seriously outdated, they haven't put any effort in some of the countries that formed part in the Entente. Case in point, the Russian Empire has a fucking awful focus tree, like 80% of the military part of the tree is just research bonuses that to make things worse, the majority are just 70 day focuses, which makes the experience of playing as them very slow and boring.
And you know the worst thing about it?, it was done on purpose, because the original focus tree got reworked almost entirely to "avoid controversies" regarding the war of Russia-Ukraine, but in reality is because the devs are Reddit-tier libtards who get easily offended and they ban you from their subforum if you criticize them. They don't want people playing as Russia so they purposefully crippled their focus tree stop people from playing them. It's not like the other countries are different though, the Ottoman Empire has a broken rebellion system that it's very difficult to avoid which makes historical gameplay a miserable experience to go through.
This is the logo of their Discord, to give you an idea. Yes, you're seeing it right, they use the tranny flag for a WW1 mod.
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And to give you an idea on how Reddit has poisoned their brains, this is their rules, you can imagine how much of a cesspool their Discord is. Pay close attention in the 8th rule.
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And the fact that this is like the only playable WW1 mod for HOI4 is depressing, considering how much potential a WW1 game could have.