If you want to get more of an idea of Civilization VI's complex systems, what better way to do it than to watch some of its developers playing?
There are a series of interesting choices in our list of PC's best strategy games.
Designers Ed Beach and Anton Strenger talk us through a partial campaign in the archived livestream above, playing as Brazil.
Because everyone's seen a fair bit of the early game already, this hour-and-half livestream begins at turn 45, with them recovering from some savage barbarian attacks and just as the developers are about to start a new religion.
If you want more, you can see us take watch Phil and Joel take on some angry barbarians in our Let's Play.
Elsewhere, here's everything we know about Civilization VI.