or "Abundant" to ensure islands have the natural resources needed to support higher tiers of citizens (like Nobles and Envoys) without constant dependency on trade. : Toggling the volcano setting "On" or "Off" can shift island locations , even when using the same seed number. Anno 1404 Wiki Expansion Strategies
For the masochists. This isn’t for beauty—it’s for survival. The map generates a unique "ring" geography. A ring of small, resource-poor islands surrounds a central, massive, super-fertile island in each region. If you can rush a warehouse and a small military port on the central island, you own the game. Extra quality twist: No rivers on the central island. That’s actually amazing because you won’t waste space on bridges. Just pure, dense city blocks. anno 1404 venice best map seeds extra quality