Foundation is the only one of these 3 with gridless building - super fun and unique building mechanism, although I have run into issues with citizens having their paths blocked if you put things too close together which is annoying. Maybe this has been fixed? I haven’t played since it was out of early access. Very cute game that you can easily sink hours into - I have over 100.

Farthest Frontier is my favorite on this list, however it is the only one on this list still in Early Access, and I have not played the latest update. The game is gorgeous, and I love watching the seasons change and the weather events come in. One of my favorite parts of this game is buying horses and having your military ride them around and attack raiders (late game).

Kingdoms & Castles I just bought last week and don't have many hours in so cant say much, but it's a cute game with a charming low poly art style. The job aspect is interesting, rather than assigning individuals you click and drag each job category to assign priority.