Always nice to have positive feedback. So often I get the feeling that NOTHING works since it isn't interesting/worthwhile to post "I just didn't crash. Oh look, I just didn't crash again. Damn, 3 seconds straight that I didn't crash!"
Might be worth knowing which civs you had in the game, just in case something crops up later where others are incapable of having a non-OOS game.
All Lairs/Barbarian options at standard. (This is notable - all the bells and whistles but Dark Forests were on and still no issues. Props to nailing whatever the crashy thing was in the lair code!)
No Technology Brokering, Religion-Based Interfaces, Broader Alignments, Flavor Start, Log Random Numbers, Turn Timer(Slow), All Victories Enabled (standard speed)
Player Civilizations: Calabim(Me), Archos(My Assistant)
NPC Civilizations: Dural, Malakim, Austrin, Chislev, Sidar, Hippus, Lanun, Amurites.
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I'd just like to add that the turn swaps were very zippy, no massive periods of time where I could hear the music before an AI popped up to demand something (a few times they even made reasonable trades! 0_o) and in general I was pretty impressed. It felt a lot like playing Fall From Heaven 2 at its core with MOAR STUFF, instead of playing it in slow motion starting around 300 or so turns. My buddy declared war and starting bashing the Austrin as Archos, and since we'd started as a team due to the testing, he had a pretty hefty tech advantage. But they still caused him a lot of trouble until he got the Baron (who is now, honestly, broken as #@#$ and I'll probabaly be disabling him by the options, because his strength buffs as he becomes a stronger werewolf make him quickly ridiculous...) and my Vampire Phaneul to start cracking cities, which, considering he was Archos and they're not known for having crap troops, is also impressive.
I lost my capital around turn 125 to a str 4+1 Poison, Combat 5, Drill 2 Goblin Wolf Rider which nerfed me hard enough to result in me pretty much researching techs for the spider-guy and not doing a whole lot other than trying to eek out a crud existence on the shoreline till around turn 300, so I can't comment on how any other NPCs handled the vampires, other than that to say the removal of Death from them is still a good idea, because they just feel like hungry champions and not mutant Adepts.