Three dozen trivia nights are held across Cambridge and Somerville each week. [Check out the map]

Each week, hundreds of devout fact-finders assemble in cleverly named teams to flaunt their intelligence in the obscure and cramp their brains at dozens of the area’s live trivia nights.

Pictured: Jiyeon Kim, member of the team called "Spicy Brown Mustard" watches Rory Edwards write down an answer to a question during trivia night at Uno Chicago Grill in Cambridge.