Really addictive. Do any AI/game difficulties have the AI have unfair advantages at all? Like can they see more tiles than the player, or get more / need fewer resources?
Yep! The AI cheats horribly at the higher levels. I think at the King level, everything tries to be as fair as possible. At the Warlord level, the AI is actually dumbed down. At the Emperor and Deity level, the biggest form of cheating is that the AI has cheaper construction costs.