| Countries of the Soviet Union | 0 | - | 4.98 | 195,605 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,173 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,398 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,446 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,629 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,488 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,556 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,010 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,592 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 113,182 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,986 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,030 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,122 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,105 |
| Random European Capital to Country | 0 | - | 4.98 | 192,208 |
| Random European Country to Capital | 0 | - | 4.93 | 165,963 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,053 |
| Every European Country Shape | 0 | - | 4.96 | 203,083 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,750 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,927 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,050 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,251 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,528 |
| The Only European Country ... | 0 | - | 4.91 | 219,197 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,065 |
| Vietnam War Countries | 0 | - | 4.82 | 94,671 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,621 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,948 |
| Countries of Africa | 0 | - | 5.00 | 2,561,436 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,506 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,865 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,798 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,045 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,274 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,474 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,927 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,559 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,220 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,534 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,881 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,179 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,945 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,371 |
| Countries of the Middle East | 0 | - | 4.96 | 203,033 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,236 |
| Slavic Countries | 0 | - | 4.96 | 112,414 |
| African Island Countries | 0 | - | 4.96 | 102,583 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,198 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,073 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,875 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,362 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,748 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,843 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,624 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,601 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,020 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,892 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,132 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,914 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,477 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,970 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,202 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 43,839 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,532 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,042 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,009 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,668 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,231 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,031 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,962 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,909 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,283 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,180 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,502 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,284 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,150 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,694 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,543 |
| Monarchies of Europe | 0 | - | 4.90 | 98,916 |
| Monarchies of Asia | 0 | - | 4.97 | 71,528 |
| Countries of the German Empire | 0 | - | 4.51 | 38,259 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,890 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,308 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,592 |
| The Only African Country ... | 0 | - | 4.99 | 129,717 |
| The Only American Country ... | 0 | - | 4.92 | 122,244 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,407 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,447 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,875 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,580 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 106,913 |
| Countries That Border Russia | 0 | - | 4.98 | 464,614 |
| European Countries with One Border | 0 | - | 4.97 | 183,864 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,585 |
| Countries Bordering France | 0 | - | 4.83 | 405,024 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,959 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,889 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,775 |
| UK Immigration by Country | 0 | - | 4.94 | 141,762 |
| Central American Countries | 0 | - | 4.98 | 157,385 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,624 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,451 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,646 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,800 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,379 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,437 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,873 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,071 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,153 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,601 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,850 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,890 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,369 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,952 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,846 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,775 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,485 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,910 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,634 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,992 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,856 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,738 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,812 |
| Germany Country Quiz | 0 | - | 4.82 | 158,895 |
| Russia Country Quiz | 0 | - | 4.83 | 115,347 |
| Japan Country Quiz | 0 | - | 4.93 | 143,389 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,084 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,775 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,266 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,603 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,098 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,788 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,009 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,480 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,368 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,373 |
| Hindu Countries | 0 | - | 4.87 | 50,600 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,760 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,626 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,708 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,497 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,965 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,773 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,638 |
| Every African Country Shape | 0 | - | 4.90 | 88,440 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,272 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,376 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,060 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,291 |
| Countries Bordering India | 0 | - | 4.98 | 163,835 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,028 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,965 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,713 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,282 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,085 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,867 |
| Countries that Border China | 0 | - | 4.96 | 264,362 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,128 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,160 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,208 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,833 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,121 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,924 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,913 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,276 |
| Countries that Border Poland | 0 | - | 4.99 | 173,214 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,603 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,476 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,873 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,558 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,896 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,633 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,920 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,164 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,199 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,188 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,295 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,405 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,502 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,179 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,177 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,082 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,528 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,294 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,133 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,944 |
| Countries Closest to India | 0 | - | 4.97 | 103,256 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,228 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,446 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,289 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,339 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,727 |
| Countries that Beat China | 0 | - | 4.85 | 116,787 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,646 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,477 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,021 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,059 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,083 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,961 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,041 |
