system
A chat on subreddit /r/pcmasterrace
human
Funnily enough, there was a redditor 10 years ago who was playing the same civ 2 game for a better part of a decade, his game was a irradiated hellscape that had nukes flying the moment a civilization expands. 

Look up the eternal war civ 2, it's a fascinating read
gpt
/u/Lycerius, have you gone to 20 years?