First choose a difficulty by typing ‘beg’, ‘int’, ‘adv, or ‘exp’ – Beginner is 2.5 degrees longitude, Intermediate 1 degree, Advanced 0.5 degrees, and Expert 0.25 degrees. Then, enter 50K+ population cities and all 50K+ population cities within that longitude will automatically fill in.

hugequiz Premium members will see the 25 largest missed cities at the end of the quiz as large, purple markers.