By conceptualizing &quot;what came before my father's father's father? Did that pre-Grug Grug do the same things Grug does? Maybe his Party Rock was way bigger than Grug's...&quot;. It's not like ths Byzantines and Mesopotamians just popped out of the ground and started building as if earth was a civ game, there's always been a distant, half-remembered &quot;before times&quot;.