| United States Map Quiz | 0 | - | 4.98 | 4,142,183 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,672 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,999 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,499 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,880 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,601 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,884 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,967 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,309 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,412 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,774 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,027 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,975 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,098 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,020 |
| Pixelated United States Map | 0 | - | 4.89 | 93,504 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,753 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,384 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,428 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,693 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,942 |
| U.S. States By Population | 0 | - | 4.92 | 152,393 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,425 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,880 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,914 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,575 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,768 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,898 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,892 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,089 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,507 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,078 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,667 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,570 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,424 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,510 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,986 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,947 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,553 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,894 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,878 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,992 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,113 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,012 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,950 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,478 |
| United States Country Quiz | 0 | - | 4.43 | 100,611 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,412 |
| Central American Countries | 0 | - | 4.98 | 155,080 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,971 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,821 |
| States of Mexico | 0 | - | 4.95 | 173,382 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,611 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,899 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,461 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,112 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,375 |
| Territories of the United States | 0 | - | 4.79 | 52,151 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,391 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,145 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,727 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,723 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,601 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,439 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,370 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,259 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,079 |
| Flags of North and South America | 0 | - | 4.99 | 367,432 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,662 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,608 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,379 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,334 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,457 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,007 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,032 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,883 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,016 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,833 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,552 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,462 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,690 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,360 |
| The Only American Country ... | 0 | - | 4.92 | 120,777 |
| Belize Country Quiz | 0 | - | 4.85 | 20,809 |
| US States Quiz | 0 | - | 5.00 | 16,705,144 |
| New England States | 0 | - | 4.51 | 59,708 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,481 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,885 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,338 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,652 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,668 |
| U.S. States by Borders | 0 | - | 4.63 | 35,079 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,247 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,140 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,996 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,321 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,795 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,418 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,890 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,215 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,419 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,987 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,354 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,158 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,882 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,587 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,796 |
| North America Cities by Map | 0 | - | 4.41 | 47,621 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,522 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,916 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,659 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,529 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,437 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,123 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,236 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,284 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,034 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,020 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,770 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,393 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,668 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,964 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,393 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,850 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,340 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,101 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,268 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,138 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,504 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,397 |
| Largest United States Airlines | 0 | - | 4.39 | 54,838 |
| States of Brazil | 0 | - | 4.98 | 86,421 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,004 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,090 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,928 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,166 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,278 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,092 |
| Random European Capital to Country | 0 | - | 4.98 | 189,255 |
| Random European Country to Capital | 0 | - | 4.92 | 147,482 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,421 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,446 |
| Random African Capital to Country | 0 | - | 4.97 | 99,745 |
| Random African Country to Capital | 0 | - | 4.94 | 70,243 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,332 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,080 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,188 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,177 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,703 |
| Canada Country Quiz | 0 | - | 4.54 | 131,741 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,806 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,462 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,661 |
| Asia Map Quiz | 0 | - | 4.99 | 907,219 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,628 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,357 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,941 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,278 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,612 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,463 |
| Flyover States | 0 | - | 4.52 | 29,399 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,926 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,823 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 127,997 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,583 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,366 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,169 |
| US States with the Most Executions | 0 | - | 4.51 | 26,349 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,923 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,623 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,068 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,406 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,100 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,807 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,038 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,124 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,119 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,037 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,812 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 31,763 |
| US States with an Empty Map | 0 | - | 5.00 | 618,957 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,494 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,746 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,764 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,607 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,974 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,199 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,579 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,326 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,667 |
| Which Island in the United States? | 0 | - | 4.29 | 29,167 |
| Geography of California | 0 | - | 4.25 | 10,504 |
| American TV Show Settings | 0 | - | 4.35 | 30,587 |
| Name a City - European Countries | 0 | - | 4.92 | 64,430 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,428 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,053 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,388 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,054 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,835 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,613 |
