First chose a difficulty by typing ‘beg’, ‘int’, ‘adv, or ‘exp’ – Beginner is 5 degrees, Intermediate 2.5 degrees, Advanced 1 degrees, and Expert 0.5 degrees. Then, enter the largest city in each grid square of the size based on your difficulty. Green squares contain answers. Adv and Exp levels may take a few moments to load.
Enter level to begin ('beg', 'int', 'adv', or 'exp').