The new Gold Coast does not border either Congo Basin or Central Africa. The resource symbol in Eastern Ghats is moved to Eastern Deccan. The Arabian Sea has been added. It borders the Sahara Desert through the Lower Indus. Treat barrens as normal spaces except that pieces there die at the end of the turn.
Boats are optional.
Any pieces in excess of one on a city or capital function as they always did, but the first piece with a city or capital acts as a garrison. When attacking an occupied city, the attacker must score two victories to take the space. When attacking an occupied capital, the attacker must score three victories to take the space. Each player can have many turns in each epoch, scoring points after each turn. The victory point table has been modified substantially.