Anno 1404: Map Seeds

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Unlike later Anno games (e.g., 2070, 2205, 1800), Anno 1404 does have a built-in, explicit “enter a seed number” field on the main menu. Instead, map generation is controlled through a combination of the random map settings (size, type, difficulty) and the system clock when you create the game.

When you input a seed, the game engine uses a pseudo-random number generator (PRNG) to determine: anno 1404 map seeds

Island Rotation

: Elements like NPCs or Pirates can cause islands to rotate by 90 or 180 degrees, even on the same seed. not Unlike later Anno games (e

• Continuous Game (Custom): You choose the difficulty, opponents, and seed. This is where seeds shine.
• Scenarios: Fixed maps; seeds do not apply here.

• I.A.M. (Ich.Iss.Mod): This total conversion mod not only adds hundreds of new production chains but also allows for custom map templates. You can force the generation to prefer "Giant Islands" or "No Corsairs" by entering specific seed ranges (e.g., seeds 20000-21000 are designated "Peaceful Economy" maps in I.A.M. v3.0).
• Random Map Script (RMS): Advanced users can edit the mapgeneration.cfg file to change probability weights. By using a specific seed (like 99999), you can trigger a "debug" map that reveals all resources instantly.

The "Difficulty" setting affects:

good map without modding/tools

If you just want a :

Myth 2:

Higher seed numbers are better. Fact: False. The algorithm doesn't favor large numbers. Seed "1" is just as chaotic as seed "99999." seeds do not apply here.

(and the Venice expansion/History Edition), map seeds are 5-digit numbers that determine the layout of islands and resources. Note that the setting (On or Off) and Island Size