| United States Map Quiz | 0 | - | 4.98 | 4,139,754 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,531 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,991 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,296 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,725 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,762 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,849 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,392 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,065 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,085 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,584 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,712 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,503 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,346 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,335 |
| Pixelated United States Map | 0 | - | 4.89 | 93,320 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,589 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,218 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,282 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,495 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,765 |
| U.S. States By Population | 0 | - | 4.92 | 152,258 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,259 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,776 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,840 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,712 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,788 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,776 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,031 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,400 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,027 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,612 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,510 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,256 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,045 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,714 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,526 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,436 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,824 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,867 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,973 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,797 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,872 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,457 |
| United States Country Quiz | 0 | - | 4.43 | 100,476 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,303 |
| Central American Countries | 0 | - | 4.98 | 154,922 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,593 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,684 |
| States of Mexico | 0 | - | 4.95 | 173,036 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,566 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,683 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,442 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,242 |
| Territories of the United States | 0 | - | 4.79 | 52,103 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,346 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,335 |
| Flags of North and South America | 0 | - | 4.99 | 365,631 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,717 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,667 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,605 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,544 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,280 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,959 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,066 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,605 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,576 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,724 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,815 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,693 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,902 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,766 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,519 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,450 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,591 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,845 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,268 |
| The Only American Country ... | 0 | - | 4.92 | 120,666 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,204 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,373 |
| New England States | 0 | - | 4.51 | 59,698 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,418 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,872 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,259 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,596 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,638 |
| U.S. States by Borders | 0 | - | 4.63 | 35,046 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,213 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,088 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,964 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,269 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,747 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,388 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,831 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,190 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,382 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,893 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,256 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,126 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,787 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,518 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,319 |
| Belize Country Quiz | 0 | - | 4.85 | 20,782 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,600 |
| US States Quiz | 0 | - | 5.00 | 16,680,341 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,756 |
| North America Cities by Map | 0 | - | 4.41 | 47,594 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,505 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,749 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,460 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,884 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,488 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,334 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,007 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,318 |
| Largest United States Airlines | 0 | - | 4.39 | 54,814 |
| States of Brazil | 0 | - | 4.98 | 86,226 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,776 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,838 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,165 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,054 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,259 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,010 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,006 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,755 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,380 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,653 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,946 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,277 |
| Canada Country Quiz | 0 | - | 4.54 | 131,626 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,437,888 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,489 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,867 |
| Asia Map Quiz | 0 | - | 4.99 | 905,877 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,556 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,551 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,872 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,261 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,395 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,954 |
| Random European Capital to Country | 0 | - | 4.98 | 189,069 |
| Random European Country to Capital | 0 | - | 4.92 | 147,338 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,282 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,332 |
| Random African Capital to Country | 0 | - | 4.97 | 99,677 |
| Random African Country to Capital | 0 | - | 4.94 | 70,156 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,043 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,048 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,328 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,915 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,027 |
| US States with an Empty Map | 0 | - | 5.00 | 618,143 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,568 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,450 |
| Flyover States | 0 | - | 4.52 | 29,376 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,887 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,765 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 127,959 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,565 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,341 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,132 |
| US States with the Most Executions | 0 | - | 4.51 | 26,346 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,904 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,293 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,569 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,051 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,652 |
| Which Island in the United States? | 0 | - | 4.29 | 29,123 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,942 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,426 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,884 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,741 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,015 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,117 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,744 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,720 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,345 |
| The Only European Country ... | 0 | - | 4.91 | 213,517 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,843 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,333 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,157 |
| Countries of Africa | 0 | - | 5.00 | 2,504,570 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,106 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,849 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,724 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,319 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,799 |
| Australia Map Quiz | 0 | - | 4.94 | 342,241 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,075 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,768 |
| African East Coast | 0 | - | 4.96 | 94,935 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,177 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,478 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,553 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,756 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,461 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,798 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,189 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,561 |
