In northwest Europe, meanwhile, the Viking game Hnefatafl popped up in such far-flung locales as Scotland, Norway and Iceland. Farther south, the ancient Egyptian games of Senet and Mehen dominated. To the east in India, Chaturanga emerged as a precursor to modern chess. And 5,000 years ago, in what is now southeast Turkey, a group of Bronze Age humans created an elaborate set of sculpted stones hailed as the world’s oldest gaming pieces upon their discovery in 2013. Senet is one of the earliest known board games. Archaeological and artistic evidence suggest it was played as early as 3100 B.C.,...