7 continents Model
North America
South America
Antarctica
Africa
Europe
Asia
Australia
6 continents Model v1
North America
South America
Antarctica
Africa
Eurasia
Australia
6 continents Model v2
America
Antarctica
Africa
Europe
Asia
Australia
5 continents Model
America
Antarctica
Africa
Eurasia
Australia
4 continents Model
America
Antarctica
Afro-Eurasia
Australia