Hint 1
Hint 2
Hint 3
Hint 4
4 hints available
Hint 1
You know the pattern by now, right? Whenever you come across a locked door, send Joey in first.
Hint 2
As it happens, there's a note on the other side of the door that's a hint about the code for the door.
Hint 3
It says, "Remember Waterloo." Use Rosa's phone to Oogle "Waterloo" and discover that a famous battle there occurred in --
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