>>715351371You build a town, complete tasks and get points when your citizens have good mood or for sending resource caches back to the capital
When you get a certain amount of points, you win the settlement and move on to the next one
If you take too long/lose too many people, you lose
One settlement is about 2-3 hours
Basically, if you enjoy the early-midgame parts of a city builder, you'll have fun with it. It ends at the point where you'd reach the lategame in an open-ended city builder and begin asking yourself 'what now'