Oriental (Eastern) islands require specific fertilities for Dates and Spices.
Map numbers are not universal; they depend on your initial setup. For a seed to generate the exact same map, you must match these settings: Huge Island Size: Large anno 1404 best map numbers
: Often tested for being a "max" value, sometimes yielding unique layouts. anno 1404 best map numbers
If you have gamer superstition, lucky number 7 delivers. anno 1404 best map numbers
If you are playing with friends, you do not want one person stuck on a rock while another has an empire. Seed #420 provides northern and southern continents. Each major island has at least two high-grade resources. No fighting over the single stone deposit.