Update: There seems to be some confusion about whether hacks are allowed. They are!!! Please see the clarification below.
Here are two good articles on how to role-play characters from another culture, which is equally applicable to game design:
“May I Play A Character From Another Race?” by James Mendez Hodes (on race issues)
Best Practices For Historical Gaming by James Mendez Hodes (on history and religion)
Find other people talking about the jam on Twitter at #FolkloreJam
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