| Countries of the Soviet Union | 0 | - | 4.98 | 189,293 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 77,289 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 154,533 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 229,465 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 101,421 |
| Countries of Europe After World War II | 0 | - | 4.99 | 178,893 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 147,613 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 75,144 |
| Soviet Leaders 1917–1991 | 0 | - | 4.42 | 90,869 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 103,014 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 100,601 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 90,866 |
| African Countries with the Most Christians | 0 | - | 4.92 | 71,379 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 79,834 |
| Random European Capital to Country | 0 | - | 4.98 | 180,477 |
| Random European Country to Capital | 0 | - | 4.93 | 141,541 |
| Countries in the Ottoman Empire | 0 | - | 4.88 | 69,615 |
| Every European Country Shape | 0 | - | 4.95 | 179,572 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 77,721 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,861 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,711 |
| Biggest British Empire Countries | 0 | - | 4.70 | 83,611 |
| The Only European Country ... | 0 | - | 4.92 | 195,068 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 201,011 |
| Vietnam War Countries | 0 | - | 4.81 | 89,679 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 89,117 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 59,038 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.97 | 95,877 |
| Countries of Africa | 0 | - | 5.00 | 2,327,960 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 158,752 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 91,275 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 185,615 |
| Biggest Trading Partners – Australia | 0 | - | 4.92 | 57,806 |
| Countries of Europe by Population | 0 | - | 4.98 | 143,390 |
| Most Populous Countries by Year | 0 | - | 4.81 | 101,349 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 129,260 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 71,883 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 79,786 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 56,158 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 69,822 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 91,524 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,256,611 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 201,009 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 98,241 |
| Countries of the Middle East | 0 | - | 4.95 | 186,019 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 81,373 |
| Slavic Countries | 0 | - | 4.96 | 105,505 |
| African Island Countries | 0 | - | 4.96 | 95,071 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 39,933 |
| Countries of North America Quiz | 0 | - | 5.00 | 942,536 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 118,361 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 100,056 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 127,465 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 207,058 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,776 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 146,991 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 109,843 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 137,777 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 144,412 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 110,396 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 153,876 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 93,696 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 101,979 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 72,918 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 67,155 |
| Biggest Trading Partners - Spain | 0 | - | 4.90 | 52,172 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 218,158 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 171,343 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 168,457 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 97,799 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 103,965 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 167,600 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 111,713 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 118,894 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 24,562 |
| Countries of Asia in 1900 | 0 | - | 4.48 | 55,636 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 128,200 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,502 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 100,623 |
| Monarchies of Europe | 0 | - | 4.89 | 92,370 |
| Monarchies of Asia | 0 | - | 4.96 | 67,665 |
| Countries of the German Empire | 0 | - | 4.51 | 35,817 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 81,758 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 122,485 |
| The Only African Country ... | 0 | - | 4.98 | 124,088 |
| The Only American Country ... | 0 | - | 4.93 | 114,944 |
| African Countries by a Single Clue | 0 | - | 4.91 | 65,684 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 69,237 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 89,143 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 128,777 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.88 | 98,254 |
| Countries That Border Russia | 0 | - | 4.98 | 442,687 |
| European Countries with One Border | 0 | - | 4.97 | 173,961 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 151,758 |
| Countries Bordering France | 0 | - | 4.87 | 371,881 |
| Countries Bordering Germany | 0 | - | 4.99 | 353,814 |
| Countries Closest to Africa | 0 | - | 4.95 | 150,284 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 82,280 |
| UK Immigration by Country | 0 | - | 4.94 | 132,390 |
| Central American Countries | 0 | - | 4.98 | 147,056 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 108,516 |
| Total United States Immigration by Country | 0 | - | 4.88 | 103,242 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 200,124 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 188,712 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 115,260 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 107,859 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,535 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 96,652 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 55,204 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 74,750 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 118,443 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 186,777 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 120,879 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 28,937 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 119,688 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.85 | 85,239 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 87,687 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 64,566 |
| Countries Closest to Australia | 0 | - | 4.99 | 160,974 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 79,945 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 202,015 |
| Germany Country Quiz | 0 | - | 4.82 | 148,502 |
| Russia Country Quiz | 0 | - | 4.83 | 108,673 |
| Italy Country Quiz | 0 | - | 4.83 | 115,929 |
| Japan Country Quiz | 0 | - | 4.92 | 126,726 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 128,555 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.84 | 33,054 |
| Random Asian Country to Capital | 0 | - | 4.91 | 90,404 |
| Random Asian Capital to Country | 0 | - | 4.97 | 95,167 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 68,677 |
| South China Sea Countries | 0 | - | 4.82 | 56,013 |
| Biggest French Empire Countries | 0 | - | 4.50 | 63,372 |
| Hindu Countries | 0 | - | 4.85 | 46,005 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 133,554 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 86,215 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 93,202 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 69,380 |
| Countries With the Most Russian Speakers | 0 | - | 4.96 | 61,650 |
| Countries With the Most German Speakers | 0 | - | 4.85 | 57,820 |
| Every Asian Country Shape | 0 | - | 4.94 | 80,693 |
| Every African Country Shape | 0 | - | 4.89 | 77,844 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.83 | 53,800 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 139,254 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.89 | 72,942 |
| Top 10 Richest Countries in Africa | 0 | - | 4.87 | 72,092 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 142,785 |
| Countries Bordering India | 0 | - | 4.98 | 159,332 |
| Countries that Border Hungary | 0 | - | 4.98 | 100,217 |
| Countries Bordering Austria | 0 | - | 4.97 | 113,844 |
| Countries Bordering Tanzania | 0 | - | 4.97 | 68,062 |
| Countries Bordering Brazil | 0 | - | 4.96 | 127,627 |
| Countries Bordering Iran | 0 | - | 4.83 | 91,588 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 62,145 |
| Countries that Border China | 0 | - | 4.96 | 253,919 |
| Countries that Border Iraq | 0 | - | 4.97 | 104,809 |
| Countries Bordering Kenya | 0 | - | 4.86 | 60,252 |
| Countries Bordering Myanmar | 0 | - | 4.85 | 74,133 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 114,978 |
| Countries Bordering Serbia | 0 | - | 4.96 | 87,480 |
| Countries Bordering South Africa | 0 | - | 4.97 | 80,025 |
| Countries Bordering Turkey | 0 | - | 4.98 | 112,735 |
| Countries Bordering Italy | 0 | - | 4.94 | 97,468 |
| Countries that Border Poland | 0 | - | 4.99 | 165,188 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 100,711 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 84,669 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 73,004 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 56,458 |
| Countries that Visit the UK the Most | 0 | - | 4.84 | 68,504 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 47,467 |
| Countries that Visit France the Most | 0 | - | 4.83 | 42,464 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 79,998 |
| Countries Closest to Spain | 0 | - | 4.95 | 215,782 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 79,370 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 90,304 |
| Countries Closest to Metropolitan France | 0 | - | 4.88 | 69,108 |
| Countries Closest to Iceland | 0 | - | 4.88 | 67,800 |
| Countries Closest to Cyprus | 0 | - | 4.81 | 50,053 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 90,165 |
| Countries Closest to Canada | 0 | - | 4.90 | 190,894 |
| Closest Countries to North Korea | 0 | - | 4.92 | 109,035 |
| Countries Closest to Turkey | 0 | - | 4.94 | 110,851 |
| Countries Closest to India | 0 | - | 4.96 | 98,217 |
| Countries Closest to Japan | 0 | - | 4.92 | 132,800 |
| Countries Closest to Italy | 0 | - | 4.97 | 188,073 |
| Countries Closest to Ethiopia | 0 | - | 4.89 | 66,029 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 68,844 |
| Countries that Beat the United States | 0 | - | 4.92 | 156,435 |
| Countries that Beat China | 0 | - | 4.85 | 108,643 |
| Countries that Beat Russia | 0 | - | 4.83 | 75,909 |
| Countries that Beat Australia | 0 | - | 4.91 | 88,115 |
| Colombia Country Quiz | 0 | - | 4.89 | 37,877 |
| Tanzania Country Quiz | 0 | - | 4.90 | 31,293 |
| Brunei Country Quiz | 0 | - | 4.88 | 20,694 |
| Jordan Country Quiz | 0 | - | 4.85 | 29,656 |
| Mauritius Country Quiz | 0 | - | 4.83 | 21,030 |
| Egypt Country Quiz | 0 | - | 4.81 | 74,207 |
| Moldova Country Quiz | 0 | - | 4.86 | 29,005 |
| Tuvalu Country Quiz | 0 | - | 4.85 | 20,393 |
| Andorra Country Quiz | 0 | - | 4.88 | 29,669 |
| Burkina Faso Country Quiz | 0 | - | 4.84 | 23,618 |
