| Countries of the Soviet Union | 0 | - | 4.98 | 194,199 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,449 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,917 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,844 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,039 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,645 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,869 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,876 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,667 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,440 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,415 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,687 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,163 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,288 |
| Random European Capital to Country | 0 | - | 4.98 | 189,747 |
| Random European Country to Capital | 0 | - | 4.92 | 147,850 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,438 |
| Every European Country Shape | 0 | - | 4.96 | 200,811 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,960 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,892 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,246 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,290 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,453 |
| The Only European Country ... | 0 | - | 4.91 | 215,085 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,053 |
| Vietnam War Countries | 0 | - | 4.83 | 93,883 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,288 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,463 |
| Countries of Africa | 0 | - | 5.00 | 2,520,966 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,859 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,939 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,014 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,216 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,239 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,773 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,654 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,523 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,880 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,756 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,010 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,346 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,377 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,594 |
| Countries of the Middle East | 0 | - | 4.96 | 199,831 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,723 |
| Slavic Countries | 0 | - | 4.96 | 111,238 |
| African Island Countries | 0 | - | 4.96 | 101,137 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,674 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,108 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,294 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,965 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,732 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,198 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,129 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,218 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,395 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,507 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,686 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,873 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,665 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,721 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,574 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,827 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,857 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,076 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,633 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,719 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,593 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,446 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,343 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,015 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,897 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,563 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,523 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,776 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,762 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,719 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,734 |
| Monarchies of Europe | 0 | - | 4.90 | 97,689 |
| Monarchies of Asia | 0 | - | 4.97 | 70,824 |
| Countries of the German Empire | 0 | - | 4.51 | 37,785 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,663 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,621 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,606 |
| The Only African Country ... | 0 | - | 4.99 | 128,691 |
| The Only American Country ... | 0 | - | 4.92 | 121,159 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,920 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,454 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,364 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,902 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,483 |
| Countries That Border Russia | 0 | - | 4.98 | 460,294 |
| European Countries with One Border | 0 | - | 4.97 | 182,102 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,968 |
| Countries Bordering France | 0 | - | 4.83 | 401,080 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,982 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,707 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,482 |
| UK Immigration by Country | 0 | - | 4.94 | 140,177 |
| Central American Countries | 0 | - | 4.98 | 155,508 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,021 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,223 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,053 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,755 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,355 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,450 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,092 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,968 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,734 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,227 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,508 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,623 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,475 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,678 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,717 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,379 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,763 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,593 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,540 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,152 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,638 |
| Germany Country Quiz | 0 | - | 4.82 | 157,159 |
| Russia Country Quiz | 0 | - | 4.85 | 114,029 |
| Italy Country Quiz | 0 | - | 4.82 | 122,658 |
| Japan Country Quiz | 0 | - | 4.92 | 141,892 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,924 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,080 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,920 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,189 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,712 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,661 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,768 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,926 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,033 |
| Hindu Countries | 0 | - | 4.86 | 49,813 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,085 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,189 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,290 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,893 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,498 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,367 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,986 |
| Every African Country Shape | 0 | - | 4.90 | 86,591 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,812 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,822 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,512 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,769 |
| Countries Bordering India | 0 | - | 4.98 | 163,193 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,923 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,022 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,027 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,288 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,009 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,336 |
| Countries that Border China | 0 | - | 4.96 | 262,470 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,063 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,671 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,269 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,394 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,053 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,368 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,803 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,633 |
| Countries that Border Poland | 0 | - | 4.99 | 171,769 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,989 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,235 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,162 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,906 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,640 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,175 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,405 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,696 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,406 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,204 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,555 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,687 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,973 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,138 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,204 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,238 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,717 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,075 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,868 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,673 |
| Countries Closest to India | 0 | - | 4.97 | 102,454 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,220 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,879 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,707 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,406 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,119 |
| Countries that Beat China | 0 | - | 4.86 | 115,180 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,234 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,390 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,507 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,722 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,836 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,553 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,249 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,658 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,365 |
