| Countries of the Soviet Union | 0 | - | 4.98 | 195,723 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,244 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,573 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,642 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,702 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,708 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,761 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,101 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,691 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,551 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,149 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,177 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,239 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,175 |
| Random European Capital to Country | 0 | - | 4.98 | 192,385 |
| Random European Country to Capital | 0 | - | 4.93 | 166,107 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,127 |
| Every European Country Shape | 0 | - | 4.96 | 203,304 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,846 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,309 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,283 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,554 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,624 |
| The Only European Country ... | 0 | - | 4.91 | 219,679 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,407 |
| Vietnam War Countries | 0 | - | 4.82 | 94,766 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,875 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,999 |
| Countries of Africa | 0 | - | 5.00 | 2,565,623 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,664 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,960 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 194,992 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,121 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,735 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,673 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,044 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,632 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,298 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,582 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,941 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,475 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,347 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,460 |
| Countries of the Middle East | 0 | - | 4.96 | 203,327 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,404 |
| Slavic Countries | 0 | - | 4.96 | 112,533 |
| African Island Countries | 0 | - | 4.96 | 102,767 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,254 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,706 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,058 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,523 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,011 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,213 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,819 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,755 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,091 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,009 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,567 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,092 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,735 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,098 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,352 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,730 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,598 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,147 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,036 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,991 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,507 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,367 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,124 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,996 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,396 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,361 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,607 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,346 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,328 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,796 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,633 |
| Monarchies of Europe | 0 | - | 4.90 | 99,060 |
| Monarchies of Asia | 0 | - | 4.97 | 71,629 |
| Countries of the German Empire | 0 | - | 4.51 | 38,314 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,925 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,369 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,898 |
| The Only African Country ... | 0 | - | 4.99 | 129,822 |
| The Only American Country ... | 0 | - | 4.92 | 122,373 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,465 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,575 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,020 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,769 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,105 |
| Countries That Border Russia | 0 | - | 4.98 | 464,995 |
| European Countries with One Border | 0 | - | 4.97 | 184,065 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,788 |
| Countries Bordering France | 0 | - | 4.83 | 405,420 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,300 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,019 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,915 |
| UK Immigration by Country | 0 | - | 4.94 | 141,924 |
| Central American Countries | 0 | - | 4.98 | 157,586 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,700 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,587 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,121 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,017 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,514 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,802 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,975 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,172 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,276 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,660 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,958 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,092 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,458 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,097 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,993 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,825 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,553 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,978 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,724 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 52,042 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,996 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,797 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,486 |
| Germany Country Quiz | 0 | - | 4.82 | 159,102 |
| Russia Country Quiz | 0 | - | 4.83 | 115,478 |
| Japan Country Quiz | 0 | - | 4.93 | 143,559 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,308 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,848 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,301 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,657 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,156 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,860 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,122 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,621 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,409 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,409 |
| Hindu Countries | 0 | - | 4.86 | 50,688 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,837 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,674 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,762 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,568 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,366 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,204 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,751 |
| Every African Country Shape | 0 | - | 4.90 | 88,655 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,433 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,736 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,161 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,452 |
| Countries Bordering India | 0 | - | 4.98 | 163,910 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,120 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,069 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,753 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,367 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,172 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,908 |
| Countries that Border China | 0 | - | 4.96 | 264,584 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,224 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,223 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,283 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,939 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,235 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,940 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,989 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,391 |
| Countries that Border Poland | 0 | - | 4.99 | 173,371 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,776 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,626 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,964 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,650 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 76,038 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,670 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,987 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,240 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,269 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,418 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,363 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,485 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,579 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,321 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,299 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,189 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,687 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,413 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,165 |
| Countries Closest to Turkey | 0 | - | 4.96 | 127,052 |
| Countries Closest to India | 0 | - | 4.97 | 103,360 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,894 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,716 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,355 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,438 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,947 |
| Countries that Beat China | 0 | - | 4.85 | 117,016 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,770 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,583 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,063 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,097 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,112 |
| Egypt Country Quiz | 0 | - | 4.82 | 78,032 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,073 |
