Although you can certainly go with the flow, on higher difficulty levels it will certainly pay off to get ahead of the game and so some pre-planning — and for that, you can find all civilization unlock conditions in Civilization 7 below. There are plenty of cultures to unlock while you're playing the Antiquity Age.

I f you're striving to become the world's richest empire in Civilization 7, then you'll need to set sail for the Distant Lands, establish settlements, and send precious resources