For a great (and entertaining!) look into how you can use simulations to generate these types of maps you should check out this video by the superb channel Alph

For a great (and entertaining!) look into how you can use simulations to generate these types of maps you should check out this video by the superb channel AlphaPhoenix: https://www.youtube.com/watch?v=Lq-Y7crQo44 https://www.youtube.com/watch?v=Lq-Y7crQo44