| Countries of the Soviet Union | 0 | - | 4.98 | 195,317 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,977 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,971 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,937 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,449 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,988 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,101 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,697 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,343 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,762 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,487 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,684 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,892 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,914 |
| Random European Capital to Country | 0 | - | 4.98 | 191,757 |
| Random European Country to Capital | 0 | - | 4.93 | 165,615 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,909 |
| Every European Country Shape | 0 | - | 4.96 | 202,489 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,526 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,095 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,512 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,528 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,307 |
| The Only European Country ... | 0 | - | 4.91 | 218,060 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,237 |
| Vietnam War Countries | 0 | - | 4.82 | 94,465 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,017 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,804 |
| Countries of Africa | 0 | - | 5.00 | 2,550,584 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,996 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,682 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,107 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,816 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,135 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,081 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,658 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,371 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,043 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,400 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,713 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,802 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,997 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,129 |
| Countries of the Middle East | 0 | - | 4.96 | 202,103 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,831 |
| Slavic Countries | 0 | - | 4.96 | 112,095 |
| African Island Countries | 0 | - | 4.96 | 102,144 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,028 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,928 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,463 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,018 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,203 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,938 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,196 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,264 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,823 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,578 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,758 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,226 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,979 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,631 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,890 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,890 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,372 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,793 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,896 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,821 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,604 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,239 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,596 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,706 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,032 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,731 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,273 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,160 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,787 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,439 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,321 |
| Monarchies of Europe | 0 | - | 4.90 | 98,537 |
| Monarchies of Asia | 0 | - | 4.97 | 71,342 |
| Countries of the German Empire | 0 | - | 4.51 | 38,088 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,818 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,135 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,862 |
| The Only African Country ... | 0 | - | 4.99 | 129,440 |
| The Only American Country ... | 0 | - | 4.92 | 121,971 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,291 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,146 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,240 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,124 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,509 |
| Countries That Border Russia | 0 | - | 4.98 | 463,660 |
| European Countries with One Border | 0 | - | 4.97 | 183,389 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,160 |
| Countries Bordering France | 0 | - | 4.83 | 404,122 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,158 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,566 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,415 |
| UK Immigration by Country | 0 | - | 4.94 | 141,366 |
| Central American Countries | 0 | - | 4.98 | 157,007 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,088 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,072 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,479 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,117 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,974 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,286 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,552 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,849 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 23,874 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,445 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,590 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,430 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,161 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,526 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,459 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,589 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,296 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,758 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,420 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,876 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,273 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,578 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,212 |
| Germany Country Quiz | 0 | - | 4.83 | 158,478 |
| Russia Country Quiz | 0 | - | 4.83 | 114,972 |
| Japan Country Quiz | 0 | - | 4.93 | 142,984 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,510 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,577 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,184 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,480 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,977 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,895 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,846 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,207 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,262 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,283 |
| Hindu Countries | 0 | - | 4.87 | 50,408 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,593 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,520 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,589 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,339 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,023 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,868 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,115 |
| Every African Country Shape | 0 | - | 4.90 | 87,969 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,893 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,776 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,595 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,230 |
| Countries Bordering India | 0 | - | 4.98 | 163,678 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,847 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,782 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,623 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,065 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,847 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,722 |
| Countries that Border China | 0 | - | 4.96 | 263,828 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,927 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,024 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,008 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,413 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,837 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,858 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,698 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,122 |
| Countries that Border Poland | 0 | - | 4.99 | 172,841 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,169 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,165 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,665 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,373 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,574 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,512 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,757 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,038 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,004 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,649 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,082 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,236 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,356 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,889 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,892 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,855 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,804 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,067 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,059 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,713 |
| Countries Closest to India | 0 | - | 4.97 | 103,054 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,978 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,791 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,129 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,068 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,164 |
| Countries that Beat China | 0 | - | 4.85 | 116,396 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,286 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,204 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,878 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,969 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,015 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,791 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,938 |
