| Countries That Use the Euro | 0 | - | 4.95 | 106,430 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,683 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,828 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,670 |
| The Only European Country ... | 0 | - | 4.91 | 218,533 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,579 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,248 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,860 |
| Countries of Africa | 0 | - | 5.00 | 2,554,645 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,834 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,508 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,648 |
| Australia Map Quiz | 0 | - | 4.95 | 345,877 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,981 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,616 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,330 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,534 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,249 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,779 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,444 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,117 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,460 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,794 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,655 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,059 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,177 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,373 |
| Countries of the Middle East | 0 | - | 4.96 | 202,367 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,999 |
| Slavic Countries | 0 | - | 4.96 | 112,232 |
| African Island Countries | 0 | - | 4.96 | 102,305 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,112 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,585 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,643 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,172 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,409 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,151 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,347 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,409 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,888 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,674 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,891 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,345 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,134 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,774 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,037 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,003 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,106 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,505 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,317 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,767 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,920 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,423 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,212 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,109 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,816 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,479 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,737 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,771 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,155 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,367 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,951 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,551 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,417 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,825 |
| Monarchies of Europe | 0 | - | 4.90 | 98,712 |
| Monarchies of Asia | 0 | - | 4.97 | 71,426 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,212 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,156 |
| The Only African Country ... | 0 | - | 4.99 | 129,556 |
| The Only American Country ... | 0 | - | 4.92 | 122,102 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,334 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,223 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,375 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,298 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,663 |
| European Countries with One Border | 0 | - | 4.97 | 183,565 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,329 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,686 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,352 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,353 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,818 |
| Countries with Megacities | 0 | - | 4.99 | 266,427 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,525 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,920 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,817 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,040 |
| UK Immigration by Country | 0 | - | 4.94 | 141,533 |
| Central American Countries | 0 | - | 4.98 | 157,172 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,191 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,220 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,221 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,218 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,814 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,999 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,968 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,148 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,405 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,160 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,780 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,705 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,946 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,518 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,691 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,260 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,693 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,646 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,673 |
| Countries That Border Russia | 0 | - | 4.98 | 464,083 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,372 |
| Countries Bordering France | 0 | - | 4.83 | 404,515 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,477 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,648 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,992 |
| Germany Country Quiz | 0 | - | 4.82 | 158,650 |
| Russia Country Quiz | 0 | - | 4.83 | 115,194 |
| Japan Country Quiz | 0 | - | 4.93 | 143,157 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,763 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,656 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,212 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,520 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,038 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,531 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,888 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,291 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,024 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,801 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,394 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,339 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,664 |
| Asia Map Quiz | 0 | - | 4.99 | 923,653 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,397 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,984 |
| Random European Capital to Country | 0 | - | 4.98 | 191,940 |
| Random European Country to Capital | 0 | - | 4.93 | 165,722 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,917 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,326 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,084 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,303 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,399 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,323 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,360 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,658 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,571 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,629 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,448 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,257 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,583 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,066 |
| Every European Country Shape | 0 | - | 4.96 | 202,712 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,441 |
| Every African Country Shape | 0 | - | 4.90 | 88,174 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 92,329 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,824 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,758 |
| Countries Bordering India | 0 | - | 4.98 | 163,750 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,924 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,876 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,671 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,979 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,774 |
| Countries that Border China | 0 | - | 4.96 | 264,068 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,025 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,080 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,105 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,646 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,962 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,876 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,805 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,188 |
| Countries that Border Poland | 0 | - | 4.99 | 173,017 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,359 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,307 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,760 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,452 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,710 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,562 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,095 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,894 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,185 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,309 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,409 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,029 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,948 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,950 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,085 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,649 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,815 |
| Countries Closest to India | 0 | - | 4.97 | 103,142 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,091 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,159 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,187 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,202 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,931 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,006 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,056 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,989 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,209 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,783 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,522 |
