First choose a difficulty by typing ‘beg’, ‘int’, ‘adv, or ‘exp’ – Beginner is 0.5 degrees longitude, Intermediate 0.25 degrees, Advanced 0.1 degrees, and Expert 0.05 degrees. Then, enter 5K+ population cities and all 5K+ 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.