Barbs start vanilla and become less likely to spawn and to aggress cities each era. Reason for creating this is that even on standard or smaller maps barbarians were too much of a factor past early game for my liking. Spoiler Modified Values : Spawn Rate Ancient (start) Same Classical 80% Renaissance 60% Industrial 50% Modern 30% Atomic 10% Information 10% Boldness Ancient (start) Same Classical 80% Renaissance 70% Industrial 60% Modern 30% Atomic 10% Information 10% Values currently barely tested Unzip folder to ...\Documents\My Games\Sid Meier's Civilization VI\Mods Nearly the entire code was taken from Gedemon, who took it from alpaca. Tested with extreme values to ensure it worked (it did). Feedback welcome.