| Countries of North America Quiz | 0 | - | 5.00 | 1,011,420 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,321 |
| The Only American Country ... | 0 | - | 4.92 | 120,734 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,932 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,797 |
| Central American Countries | 0 | - | 4.98 | 155,014 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,641 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,509 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,790 |
| The Only European Country ... | 0 | - | 4.91 | 213,766 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,088 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,839 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,066 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,489 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,196 |
| Countries of Africa | 0 | - | 5.00 | 2,507,147 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,386 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,067 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,260 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,089 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,657 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,442 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,828 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,336 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,002 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,188 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,263 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,245 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,590 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,550 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,788 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,590 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,271 |
| Countries of the Middle East | 0 | - | 4.96 | 198,865 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,230 |
| Slavic Countries | 0 | - | 4.96 | 110,832 |
| African Island Countries | 0 | - | 4.96 | 100,766 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,490 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,689 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,464 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,068 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,594 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,696 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,741 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,144 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,147 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,267 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,546 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,242 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,380 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,218 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,495 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,815 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,037 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,172 |
| Flags of North and South America | 0 | - | 4.99 | 366,982 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,785 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,222 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,458 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,708 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,538 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,650 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,155 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,616 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,747 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,895 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,956 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,818 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,969 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,817 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,578 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,794 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,176 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,336 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,350 |
| Monarchies of Europe | 0 | - | 4.90 | 97,295 |
| Monarchies of Asia | 0 | - | 4.97 | 70,590 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,427 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,726 |
| The Only African Country ... | 0 | - | 4.99 | 128,344 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,773 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,242 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,027 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,351 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,012 |
| European Countries with One Border | 0 | - | 4.97 | 181,592 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,505 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,085 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,518 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,934 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,851 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,943 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,080 |
| Countries with Megacities | 0 | - | 4.99 | 246,691 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,014 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,873 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,434 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,793 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,383 |
| UK Immigration by Country | 0 | - | 4.94 | 139,600 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,525 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,359 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,532 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,224 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,853 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,444 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,223 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,347 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,225 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,780 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,767 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,435 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,202 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,225 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,105 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,483 |
| Countries That Border Russia | 0 | - | 4.98 | 458,856 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,464 |
| Countries Bordering France | 0 | - | 4.83 | 398,797 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,982 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,206 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,477 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,186 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,973 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,691 |
| Germany Country Quiz | 0 | - | 4.82 | 156,508 |
| Russia Country Quiz | 0 | - | 4.85 | 113,619 |
| Italy Country Quiz | 0 | - | 4.82 | 122,171 |
| Japan Country Quiz | 0 | - | 4.92 | 141,219 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,109 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,838 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,812 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,029 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,292 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,376 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,840 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,770 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,837 |
| States of Mexico | 0 | - | 4.95 | 173,302 |
| States of Brazil | 0 | - | 4.98 | 86,360 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,936 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,137 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,225 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,743 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,548 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,296 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,739 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,166 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,029 |
| Asia Map Quiz | 0 | - | 4.99 | 906,846 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,128 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,015 |
| Random European Capital to Country | 0 | - | 4.98 | 189,175 |
| Random European Country to Capital | 0 | - | 4.92 | 147,430 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,365 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,380 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,473 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,320 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,782 |
| Biggest British Empire Countries | 0 | - | 4.73 | 91,059 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,871 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,011 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,834 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,144 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,397 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,268 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,771 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,451 |
| Every European Country Shape | 0 | - | 4.96 | 200,103 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,672 |
| Every African Country Shape | 0 | - | 4.90 | 86,069 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,165 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,132 |
| Countries Bordering India | 0 | - | 4.98 | 162,585 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,684 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,764 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,921 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,770 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,209 |
| Countries that Border China | 0 | - | 4.96 | 261,794 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,837 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,521 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,065 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,216 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,726 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,300 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,464 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,437 |
| Countries that Border Poland | 0 | - | 4.99 | 171,324 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,932 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,694 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,235 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,515 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,268 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,366 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,490 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,791 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,875 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,941 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,749 |
