| Countries of the Soviet Union | 0 | - | 4.98 | 194,174 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,437 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,875 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,807 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,024 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,598 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,833 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,841 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,645 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,424 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,380 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,643 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,135 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,270 |
| Random European Capital to Country | 0 | - | 4.98 | 189,714 |
| Random European Country to Capital | 0 | - | 4.92 | 147,812 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,421 |
| Every European Country Shape | 0 | - | 4.96 | 200,757 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,938 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,805 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,209 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,217 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,411 |
| The Only European Country ... | 0 | - | 4.91 | 214,968 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,971 |
| Vietnam War Countries | 0 | - | 4.83 | 93,867 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,219 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,435 |
| Countries of Africa | 0 | - | 5.00 | 2,519,573 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,833 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,925 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,978 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,194 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,120 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,726 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,632 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,506 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,868 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,742 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,995 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,085 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,263 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,571 |
| Countries of the Middle East | 0 | - | 4.96 | 199,751 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,677 |
| Slavic Countries | 0 | - | 4.96 | 111,193 |
| African Island Countries | 0 | - | 4.96 | 101,107 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,656 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,599 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,242 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,922 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,679 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,143 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,088 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,184 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,375 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,480 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,663 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,850 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,633 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,698 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,549 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,795 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,833 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,050 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,620 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,643 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,546 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,404 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,308 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,996 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,874 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,533 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,491 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,755 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,729 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,705 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,712 |
| Monarchies of Europe | 0 | - | 4.90 | 97,660 |
| Monarchies of Asia | 0 | - | 4.97 | 70,805 |
| Countries of the German Empire | 0 | - | 4.51 | 37,775 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,654 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,603 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,564 |
| The Only African Country ... | 0 | - | 4.98 | 128,676 |
| The Only American Country ... | 0 | - | 4.92 | 121,134 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,902 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,428 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,304 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,855 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,446 |
| Countries That Border Russia | 0 | - | 4.98 | 460,190 |
| European Countries with One Border | 0 | - | 4.97 | 182,064 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,929 |
| Countries Bordering France | 0 | - | 4.83 | 400,972 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,890 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,684 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,455 |
| UK Immigration by Country | 0 | - | 4.94 | 140,052 |
| Central American Countries | 0 | - | 4.98 | 155,475 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,974 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,095 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,987 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,723 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 118,978 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,411 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,068 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,954 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,711 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,186 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,482 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,572 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,445 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,668 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,693 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,365 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,731 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,580 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,517 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,137 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,435 |
| Germany Country Quiz | 0 | - | 4.82 | 157,112 |
| Russia Country Quiz | 0 | - | 4.85 | 113,999 |
| Italy Country Quiz | 0 | - | 4.82 | 122,620 |
| Japan Country Quiz | 0 | - | 4.92 | 141,842 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,842 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,057 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,909 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,175 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,525 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,619 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,749 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,916 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,024 |
| Hindu Countries | 0 | - | 4.86 | 49,799 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,063 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,181 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,277 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,878 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,422 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,275 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,968 |
| Every African Country Shape | 0 | - | 4.90 | 86,545 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,780 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,560 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,486 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,709 |
| Countries Bordering India | 0 | - | 4.98 | 163,171 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,908 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,006 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,014 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,271 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,985 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,330 |
| Countries that Border China | 0 | - | 4.96 | 262,426 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,051 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,657 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,251 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,370 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,034 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,362 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,768 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,617 |
| Countries that Border Poland | 0 | - | 4.99 | 171,741 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,940 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,202 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,147 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,887 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,612 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,162 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,396 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,682 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,381 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,166 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,543 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,673 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,959 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,120 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,174 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,216 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,678 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,055 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,855 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,650 |
| Countries Closest to India | 0 | - | 4.97 | 102,441 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,191 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,839 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,686 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,378 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,086 |
| Countries that Beat China | 0 | - | 4.86 | 115,145 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,214 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,362 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,493 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,715 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,830 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,539 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,224 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,643 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,354 |
