I've been diving back into Ghost Recon Wildlands after discovering just how damn enjoyable the game is at the highest difficulty levels. Suddenly sniper rifles and stealth are the only viable playstyles, and I feel like I'm actually being tested by the AI rather than watching all these paper narcos obligingly fall over and die for my amusement. I also love how unwoke the game is. Very America Fuck Yeah.
I also dusted off Master of Magic. Still haven't found a 4X that rivals it in my eyes, and it's not nostalgia talking. I actually never played it growing up (though I played MoO and MoO2 like my childhood depended on it). Good shit.
The AI HRE will always get in over its head with wars at some point and their troops will get stomped down to a couple thousand. That's when you can take Tholen. You can raid the Mediterranean and sacrifice popes in the meantime.