In 1991, Klaus Teuber was well on his way to becoming one of the planet’s hottest board game designers. Teuber (pronounced “TOY-burr”), a dental technician living with his wife and three kids in a white row house in Rossdorf, Germany, had created a game a few years earlier called Barbarossa and the Riddlemaster, a sort of ur-Cranium in which players mold figures out of modeling clay while their opponents try to guess what the sculptures represent. The game was a hit, and in 1988 it won the Spiel des Jahres…