stealth_nsk
Deity
Not sure it is MUCH deeper. It's a bit deeper. Still, it feels really, really odd at times. Global happiness makes sense on some levels and doesn't make sense on others. I wish there was a way to distinguish between the two.
Playing Emperor now and going to try Immortal my next game. I have very funny times balancing my happiness. It involves all aspects of the game (techs, resources, diplomacy, city-states, social policies, buildings, war) coordinated. I don't understand what you mean by "doesn't make sense on some levels" - it's gameplay mechanics and it works well.