| United States Map Quiz | 0 | - | 4.98 | 4,163,581 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,874 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,833 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,939 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,993 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,616 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,612 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,821 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,808 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,208 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,025 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,112 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,842 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,711 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,671 |
| Pixelated United States Map | 0 | - | 4.88 | 94,481 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,136 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,711 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,674 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,338 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,657 |
| U.S. States By Population | 0 | - | 4.92 | 153,740 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,711 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,598 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,705 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,334 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,796 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,287 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,950 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,418 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,668 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,449 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,953 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,976 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,430 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,295 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,589 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,309 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,186 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,189 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,940 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,407 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,606 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,616 |
| United States Country Quiz | 0 | - | 4.43 | 101,717 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,247 |
| Central American Countries | 0 | - | 4.98 | 156,767 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,961 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,063 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,097 |
| States of Mexico | 0 | - | 4.96 | 176,781 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,969 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,835 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,615 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,448 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,597 |
| Territories of the United States | 0 | - | 4.80 | 52,468 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,741 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,778 |
| Flags of North and South America | 0 | - | 4.99 | 374,305 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,473 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,424 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,837 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,021 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,691 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,116 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,216 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,060 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,960 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,340 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,249 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,666 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,351 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,579 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,819 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,582 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,793 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,570 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,276 |
| The Only American Country ... | 0 | - | 4.92 | 121,818 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,580 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,249 |
| New England States | 0 | - | 4.51 | 59,834 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,898 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,037 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,918 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,119 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,004 |
| U.S. States by Borders | 0 | - | 4.61 | 35,379 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,545 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,144 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,273 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,745 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,104 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,749 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,291 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,423 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,754 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,067 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,022 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,471 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,744 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,077 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,349 |
| Belize Country Quiz | 0 | - | 4.85 | 21,012 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,162 |
| US States Quiz | 0 | - | 5.00 | 16,918,221 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,206 |
| North America Cities by Map | 0 | - | 4.41 | 47,846 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,460 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,568 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,139 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,076 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,804 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,721 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,414 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,384 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,239 |
| Largest United States Airlines | 0 | - | 4.39 | 55,075 |
| States of Brazil | 0 | - | 4.97 | 88,588 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,173 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,573 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,710 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,095 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,535 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,245 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,199 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,910 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,526 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,793 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,179 |
| Canada Country Quiz | 0 | - | 4.54 | 132,667 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,735 |
| Oceania Map Quiz | 0 | - | 4.98 | 651,793 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,774 |
| Asia Map Quiz | 0 | - | 4.99 | 919,672 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,354 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,120 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,051 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,411 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,470 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,799 |
| Random European Capital to Country | 0 | - | 4.98 | 191,436 |
| Random European Country to Capital | 0 | - | 4.93 | 165,391 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,609 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,004 |
| Random African Capital to Country | 0 | - | 4.97 | 100,919 |
| Random African Country to Capital | 0 | - | 4.94 | 71,382 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,471 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,439 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,613 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,183 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,151 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,290 |
| US States with an Empty Map | 0 | - | 5.00 | 626,004 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,921 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,539 |
| Flyover States | 0 | - | 4.52 | 29,538 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,171 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,256 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,484 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,732 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,616 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,447 |
| US States with the Most Executions | 0 | - | 4.51 | 26,406 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,104 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,569 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,091 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,777 |
| Which Island in the United States? | 0 | - | 4.29 | 29,606 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,985 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,729 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,759 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,489 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,182 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,222 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,573 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,106 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,679 |
| The Only European Country ... | 0 | - | 4.91 | 217,395 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,802 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,581 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,743 |
| Countries of Africa | 0 | - | 5.00 | 2,545,017 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,843 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,923 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,295 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,147 |
| Australia Map Quiz | 0 | - | 4.95 | 345,152 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,041 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,236 |
| African East Coast | 0 | - | 4.96 | 96,284 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,361 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,600 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,377 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,876 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,845 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,508 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,321 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,680 |
