Play it on "Hard" difficulty yourself. If you cannot beat it, it is too hard. If you beat it in 30 minutes, it is too easy. A well-crafted scenario should take the average player .
Build Secret Bases early in your residential districts. Upgrade your patrolmen and use the "Search Houses" ability frequently to catch enemy spies before they start fires or incite riots. anno 1404 player scenarios
Wood and tools are your lifelines. Never let your basic construction yards idle in the early game. Play it on "Hard" difficulty yourself
It’s the ultimate long-game scenario, balancing rapid economic expansion with military defense. Tips for Creating Your Own Scenarios anno 1404 player scenarios