All seeds are for map type, Large size, Hard difficulty settings (though they work well on any difficulty). Enter them exactly as shown.
A "specialty" seed for extreme salt/leather production, turning non-productive islands into gold mines. anno 1404 venice best map seeds extra quality
Huge map with two giant islands near major NPC ports (Kingsport/Al-Zahir). All seeds are for map type, Large size,
: If an ideal large island lacks a specific fertility (like Roses or Wheat), you can purchase seeds from neutral traders All seeds are for map type