Complete Tokyo by surviving from enemy attacks for 7 days.
Complete London by surviving from enemy attacks for 14 days.
Complete Seoul by surviving from enemy attacks for 21 days.
Complete New York by surviving from enemy attacks for 21 days.
Complete Sydney by surviving from enemy attacks for 28 days.
Complete Hong Kong by surviving from enemy attacks for 28 days.
Complete Paris by surviving from enemy attacks for 28 days.
Complete Shanghai by surviving from enemy attacks for 35 days.
Complete Rio de Janeiro by surviving from enemy attacks for 35 days.
Complete Los Angeles by surviving from enemy attacks for 35 days.