Let's start in Canada.
[YUKON]
(Click the only bordering province/state. You must stay in Canada until further prompted.)

Now click the only territory/province that borders British Columbia.
[BRITISH COLUMBIA]

Now remember, you must stay in Canada until I say you can go to the United States.
[ALBERTA]

[SASKATCHEWAN]

[MANITOBA]

[ONTARIO]

[QUEBEC]

Now you can go to the only state that borders
[NEW BRUNSWICK]

[MAINE]

[NEW HAMPSHIRE]

[MASSACHUSETTS]

[NEW YORK]

[NEW JERSEY]

[DELAWARE]

[MARYLAND]

[VIRGINIA]

[NORTH CAROLINA]

[GEORGIA]

[ALABAMA]

[MISSISSIPPI]

[ARKANSAS]

[MISSOURI]

[ILLINOIS]

[WISCONSIN]

[MINNESOTA]

[NORTH DAKOTA]

[MONTANA]

[IDAHO]

[UTAH]

[COLORADO]

Good! Now click the only Mexican state that borders
[NEW MEXICO]

[CHIHUAHUA]

[SINALOA]

[NAYARIT]

[JALISCO]

[MICHOACÁN]

[GUERRERO]

[OAXACA]

[VERACRUZ]

[TABASCO]

Congratulations! You made it to the end, all the way to southern Mexico!
From [CAMPECHE], click [QUINTANA ROO].