First choose a difficulty by typing ‘beg’, ‘int’, ‘adv, or ‘exp’ – Beginner is 1000km radius, Intermediate 500km, Advanced 250km, and Expert 100km. Then, enter 50K+ population cities and all 50K+ population cities within that radius will automatically fill in. When you have at least 160 countries, the countries remaining will be shown. hugequiz Premium … Continue reading World 50K+ City Coverage