In the current ruleset, add the rule “History” from ruleset 159. Replace “The world of the Mortals has an Era, tracked in the Immortal’s “Age” field in the GNDT by its three-letter abbreviation. It defaults to the Era of Magic.” With “The world of the Apes has an Era, tracked in the Cuddlebeam’s ‘Genetics’ field in the GNDT by its three-letter abbreviation. It defaults to the Pre-historic Era.” Replace “Era of Magic (MAG)” With “Pre-historic Era (PHE)”. Remove “and all Scholars become Laborers as their knowledge becomes obsolete.”