Gloomhaven

Open vs Hidden during scenario setup

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What is open information and what is hidden information to the party when setting up the map for a scenario?

The intent and recommendation is that you try to only look at the contents of the first room (except for doors, story point markers and objective tokens). However, since all the contents of the map had to be fully displayed in the scenario book, it is technically open information. Obviously the scenario will be easier if you choose to examine all the contents before hand.