| Countries of the Soviet Union | 0 | - | 4.98 | 194,362 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,558 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,139 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,063 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,114 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,903 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,119 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,037 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,785 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,498 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,619 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,879 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,315 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,470 |
| Random European Capital to Country | 0 | - | 4.98 | 190,469 |
| Random European Country to Capital | 0 | - | 4.93 | 163,909 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,510 |
| Every European Country Shape | 0 | - | 4.96 | 201,140 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,093 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,318 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,469 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,628 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,666 |
| The Only European Country ... | 0 | - | 4.91 | 215,691 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,510 |
| Vietnam War Countries | 0 | - | 4.83 | 94,000 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,591 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,534 |
| Countries of Africa | 0 | - | 5.00 | 2,526,883 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,064 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,047 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,247 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,342 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,802 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,229 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,014 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,007 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,027 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,104 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,371 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,092 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,882 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,697 |
| Countries of the Middle East | 0 | - | 4.96 | 200,551 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,887 |
| Slavic Countries | 0 | - | 4.96 | 111,398 |
| African Island Countries | 0 | - | 4.96 | 101,321 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,756 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,359 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,538 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,163 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,009 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,491 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,322 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,413 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,477 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,698 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,862 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,058 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,881 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,873 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,737 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,974 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,927 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,215 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,672 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,173 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,272 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,790 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,513 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,112 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,499 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,884 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,649 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,864 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,955 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,853 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,852 |
| Monarchies of Europe | 0 | - | 4.90 | 97,850 |
| Monarchies of Asia | 0 | - | 4.97 | 70,915 |
| Countries of the German Empire | 0 | - | 4.51 | 37,841 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,696 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,732 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,052 |
| The Only African Country ... | 0 | - | 4.98 | 128,847 |
| The Only American Country ... | 0 | - | 4.92 | 121,314 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,014 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,571 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,593 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,145 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,677 |
| Countries That Border Russia | 0 | - | 4.98 | 460,816 |
| European Countries with One Border | 0 | - | 4.97 | 182,371 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,202 |
| Countries Bordering France | 0 | - | 4.83 | 401,621 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,405 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,877 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,667 |
| UK Immigration by Country | 0 | - | 4.94 | 140,551 |
| Central American Countries | 0 | - | 4.98 | 155,762 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,222 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,875 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,392 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,933 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,670 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,618 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,244 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,068 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,863 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,448 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,644 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,772 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,670 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,768 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,829 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,465 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,876 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,650 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,696 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,233 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,531 |
| Germany Country Quiz | 0 | - | 4.82 | 157,433 |
| Russia Country Quiz | 0 | - | 4.85 | 114,176 |
| Italy Country Quiz | 0 | - | 4.82 | 122,876 |
| Japan Country Quiz | 0 | - | 4.93 | 142,102 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,244 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,183 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,983 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,260 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,084 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,027 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,155 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,004 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,083 |
| Hindu Countries | 0 | - | 4.86 | 49,945 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,229 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,294 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,359 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,988 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,970 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,843 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,484 |
| Every African Country Shape | 0 | - | 4.90 | 86,859 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,034 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,840 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,673 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,022 |
| Countries Bordering India | 0 | - | 4.98 | 163,272 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,034 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,128 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,079 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,390 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,098 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,411 |
| Countries that Border China | 0 | - | 4.96 | 262,710 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,175 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,755 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,380 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,468 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,184 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,712 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,915 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,718 |
| Countries that Border Poland | 0 | - | 4.99 | 171,961 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,222 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,427 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,279 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,989 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,821 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,232 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,470 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,760 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,523 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,476 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,666 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,804 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,051 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,303 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,329 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,350 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,915 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,205 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,909 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,807 |
| Countries Closest to India | 0 | - | 4.97 | 102,574 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,375 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,576 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,795 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,546 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,401 |
| Countries that Beat China | 0 | - | 4.86 | 115,374 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,388 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,535 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,591 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,767 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,878 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,626 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,344 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,710 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,399 |
