I've seen many people mention that getting the NC by turn 80 or 90 is a fairly standard progress benchmark. Y'all are talking about starting it by turn 80 or 90, right? Because completing it by 80 or 90 doesn't seem possible. If you keep the # of your cities low, then you can't research up to philosophy fast enough. And if you go ahead & found 3 or 4 cities, then national wonders simply take too long to construct even if you manage to build/buy libraries in all your cities.
Hell, even if we're talking about starting it by turn 80, I often have to make sacrifices to accomplish that that I don't care for: my empire is sometimes left too weak militarily & I haven't grabbed the city spots that I really wanted and/or my infrastructure isn't what I'd like it to be. I often delay starting building it until turn 100 or so in order to get my empire in shape. Research doesn't do you any good if you don't have the hammers/gold to build your newly researched stuff.
Oh... and because difficulty level matters for any of these types of discussions, I should say I always play on Immortal.
Hell, even if we're talking about starting it by turn 80, I often have to make sacrifices to accomplish that that I don't care for: my empire is sometimes left too weak militarily & I haven't grabbed the city spots that I really wanted and/or my infrastructure isn't what I'd like it to be. I often delay starting building it until turn 100 or so in order to get my empire in shape. Research doesn't do you any good if you don't have the hammers/gold to build your newly researched stuff.
Oh... and because difficulty level matters for any of these types of discussions, I should say I always play on Immortal.