| United States Map Quiz | 0 | - | 4.98 | 4,168,064 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,179 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,857 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,307 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,263 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,355 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,815 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,778 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,292 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,658 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,348 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,346 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,096 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,255 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,251 |
| Pixelated United States Map | 0 | - | 4.88 | 94,667 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,825 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,046 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,060 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,711 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,068 |
| U.S. States By Population | 0 | - | 4.92 | 153,981 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,018 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,769 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,957 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,737 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,452 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,970 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,519 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,090 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,576 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,765 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,567 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,961 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,421 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,441 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,778 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,602 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,504 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,241 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,648 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,305 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,719 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,936 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,647 |
| United States Country Quiz | 0 | - | 4.43 | 102,024 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,479 |
| Central American Countries | 0 | - | 4.98 | 157,137 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,159 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,887 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,447 |
| States of Mexico | 0 | - | 4.96 | 177,687 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,097 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,272 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,667 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 89,827 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,548 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,897 |
| Territories of the United States | 0 | - | 4.80 | 52,565 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,826 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,430 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,527 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,631 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,142 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,001 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,233 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,414 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,263 |
| Flags of North and South America | 0 | - | 4.99 | 375,957 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,156 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,028 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,064 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,929 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,473 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,042 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,770 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,421 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,702 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,750 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,903 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,609 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,924 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,519 |
| The Only American Country ... | 0 | - | 4.92 | 122,066 |
| Belize Country Quiz | 0 | - | 4.85 | 21,061 |
| US States Quiz | 0 | - | 5.00 | 16,964,735 |
| New England States | 0 | - | 4.51 | 59,876 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,001 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,094 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,043 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,228 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,090 |
| U.S. States by Borders | 0 | - | 4.61 | 35,435 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,642 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,269 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,405 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,867 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,183 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,799 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,395 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,473 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,819 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,252 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,182 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,539 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,937 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,199 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,044 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,289 |
| North America Cities by Map | 0 | - | 4.41 | 47,905 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,255 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,110 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,759 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,561 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,218 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,817 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,585 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,301 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,242 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,947 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,557 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,821 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,237 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,500 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,706 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,645 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,662 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,591 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,643 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,445 |
| Largest United States Airlines | 0 | - | 4.39 | 55,127 |
| States of Brazil | 0 | - | 4.97 | 89,273 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,572 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,641 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,699 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,327 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,458 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,966 |
| Random European Capital to Country | 0 | - | 4.98 | 191,870 |
| Random European Country to Capital | 0 | - | 4.93 | 165,687 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,891 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,285 |
| Random African Capital to Country | 0 | - | 4.97 | 101,171 |
| Random African Country to Capital | 0 | - | 4.94 | 71,636 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,556 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,753 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,562 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,583 |
| Canada Country Quiz | 0 | - | 4.55 | 132,907 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,168 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,022 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,230 |
| Asia Map Quiz | 0 | - | 4.99 | 923,204 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,505 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,683 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,254 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,261 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,005 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,555 |
| Flyover States | 0 | - | 4.52 | 29,576 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,224 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,350 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,890 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,770 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,677 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,496 |
| US States with the Most Executions | 0 | - | 4.51 | 26,421 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,138 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,206 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,489 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,248 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,653 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,214 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,239 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,177 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,334 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,320 |
| US States with an Empty Map | 0 | - | 5.00 | 627,581 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,619 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,811 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,921 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,130 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,922 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,348 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,718 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,636 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,806 |
| Which Island in the United States? | 0 | - | 4.29 | 29,715 |
| Geography of California | 0 | - | 4.26 | 10,607 |
| American TV Show Settings | 0 | - | 4.37 | 30,692 |
| Name a City - European Countries | 0 | - | 4.90 | 65,981 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,319 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,462 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,016 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,324 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,640 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,774 |
