51. Reaching shelves in 1988, and one of the few board games to feature an icosahedron, it requires you to come up with people, places, or things that fit twelve categories that begin with the same letter. This game is...
From Quiz I Have No Time For Games
Answer:
Scattergories
The 20-sided die (or icosahedron) had 20 different letters on it (excluding Q, U, V, X, Y, and Z), players would roll one letter for each to come up with an item relating to twelve designated categories that begins with the letter rolled. The more exotic item you wrote down, the better, as all players that have an item the same as any other player would not get a point. Players get bonus points for alliterative answers.