Mesopotamia’s “Royal Game of Ur” and similar game boards have been discovered from Iran to Crete over millennia of antiquity. Within Mesopotamia, the game’s title, board design, movable tokens, knucklebone-die, and use of recited verses as part of game rules evolved over time. From the fixed forms of artifacts and cuneiform texts, this talk imagines the dynamic event of game play, and explores how ancient thinkers adopted its imagery to express meanings in divination and astronomy.