User blog comment:ProfessorMcG/Reworking of the Map Games/@comment-1650675-20100704010431

And, maybe, certain nations should have limitations on them. For instance, the Incas could never develop/reverse-engineer guns and other various western tech in order to become a major power (which also happened in 1430). Maybe what Fedelede had going in his African Colonisation game, with each nation having pros and cons.