Trivial Pursuit. If you ever want to be intellectually humbled, download this.
"January 28, 2005 - Trivial Pursuit was one of the biggest brands in board games in the 1980s, making it just as much of a cultural icon as the Rubik's Cube. Adults would crowd around a table to answer incredibly diverse questions in categories like 'Entertainment' and 'History,' then chuckle with their spouse on the way home about the couple with the fewest pie pieces."