Senet and Royal of UR are two board games approximately 5000 years old each.
Western philosophy started arguing about what knowledge is about 2500 years ago!
Humankind was playing games, at least board games, for at least 2500 years before the Greeks started discussing what knowledge is!
The practice of designing games is older than the practice of fostering knowledge... maybe because games play a significant part in developing our competencies to nurture knowledge!