| Countries That Use the Euro | 0 | - | 4.95 | 104,525 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,595 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,816 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,710 |
| The Only European Country ... | 0 | - | 4.91 | 215,970 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,724 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,764 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,577 |
| Countries of Africa | 0 | - | 5.00 | 2,529,905 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,496 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,946 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,770 |
| Australia Map Quiz | 0 | - | 4.95 | 343,816 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,557 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,145 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,603 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,115 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,362 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,087 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,065 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,398 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,151 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,427 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,067 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,128 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,163 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,154 |
| Countries of the Middle East | 0 | - | 4.96 | 200,728 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,995 |
| Slavic Countries | 0 | - | 4.96 | 111,486 |
| African Island Countries | 0 | - | 4.96 | 101,415 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,787 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,477 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,650 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,270 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,153 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,635 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,418 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,519 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,509 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,082 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,962 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,380 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,990 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,966 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,800 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,071 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,168 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,474 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,156 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,097 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,422 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,790 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,905 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,412 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,491 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,001 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,609 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,338 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,565 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,722 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,033 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,927 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,930 |
| Monarchies of Europe | 0 | - | 4.90 | 97,948 |
| Monarchies of Asia | 0 | - | 4.97 | 70,974 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,773 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,274 |
| The Only African Country ... | 0 | - | 4.98 | 128,923 |
| The Only American Country ... | 0 | - | 4.92 | 121,397 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,057 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,634 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,663 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,244 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,770 |
| European Countries with One Border | 0 | - | 4.97 | 182,506 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,315 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,981 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,287 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,164 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,958 |
| Countries with Megacities | 0 | - | 4.99 | 258,313 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,830 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,951 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,110 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,961 |
| UK Immigration by Country | 0 | - | 4.94 | 140,668 |
| Central American Countries | 0 | - | 4.98 | 155,882 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,313 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,751 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,907 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,001 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,438 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,185 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,243 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,924 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,327 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 130,420 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,913 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,303 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,120 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,927 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,705 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,875 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,777 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,817 |
| Countries That Border Russia | 0 | - | 4.98 | 461,086 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,877 |
| Countries Bordering France | 0 | - | 4.83 | 401,866 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,590 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,285 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,919 |
| Germany Country Quiz | 0 | - | 4.82 | 157,571 |
| Russia Country Quiz | 0 | - | 4.85 | 114,272 |
| Italy Country Quiz | 0 | - | 4.82 | 123,187 |
| Japan Country Quiz | 0 | - | 4.93 | 142,205 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,445 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,235 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,014 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,290 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,673 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,413 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,004 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,650 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,536 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,461 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,541 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,558 |
| Asia Map Quiz | 0 | - | 4.99 | 914,392 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,480 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,543 |
| Random European Capital to Country | 0 | - | 4.98 | 190,618 |
| Random European Country to Capital | 0 | - | 4.93 | 164,544 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,189 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,588 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,767 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,040 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,753 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,112 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,194 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,272 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,327 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,380 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,218 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,081 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,164 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,719 |
| Every European Country Shape | 0 | - | 4.96 | 201,288 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,557 |
| Every African Country Shape | 0 | - | 4.90 | 87,008 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,420 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,054 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,407 |
| Countries Bordering India | 0 | - | 4.98 | 163,317 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,088 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,183 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,099 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,142 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,446 |
| Countries that Border China | 0 | - | 4.96 | 262,843 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,223 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,785 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,417 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,513 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,242 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,729 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,984 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,748 |
| Countries that Border Poland | 0 | - | 4.99 | 172,047 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,337 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,506 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,322 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,033 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,898 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,254 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,788 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,615 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,719 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,849 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,087 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,398 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,403 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,017 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,924 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,174 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,868 |
| Countries Closest to India | 0 | - | 4.97 | 102,630 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,446 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,697 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,825 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,687 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,625 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,798 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,892 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,737 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,616 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,538 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,368 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,658 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,252 |
