What you are looking at is my China Playthrough of the PRC that I.. had 'fun' with (used console commands, because I barely understand HOI4 that isn't LARPing as leftists and gaining super weapons lol) This is in The Fire Rises Mod right here, that features cool and weird paths and allows for these fun stuff to happen. What you see is just the beginning btw, because this: 
is what I ended off with before I went to bed. Took me like, 6 hours, honestly, and I need some.. break from HOI4 afterwards, because being this obssessive over moving units around does not make for good creative work, but if you want, I can like... add more screenshots of the Americas, or Europe if you're curious on how that went.
No judgement here, 95% of my Stellaris campaigns result in me making bloated left wing type II/III Kardashev scale civilisations that are solely reliant on me using console commands because I'm terrible at managing resources otherwise. Would love to figure out how to play the game normally but always end up in an energy deficit. Still pretty fun though.