| Countries of the Soviet Union | 0 | - | 4.98 | 194,198 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,449 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,914 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,843 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,039 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,641 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,868 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,874 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,667 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,439 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,410 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,686 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,161 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,287 |
| Random European Capital to Country | 0 | - | 4.98 | 189,747 |
| Random European Country to Capital | 0 | - | 4.92 | 147,842 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,438 |
| Every European Country Shape | 0 | - | 4.96 | 200,807 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,958 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,887 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,245 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,281 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,450 |
| The Only European Country ... | 0 | - | 4.91 | 215,078 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,043 |
| Vietnam War Countries | 0 | - | 4.83 | 93,883 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,280 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,462 |
| Countries of Africa | 0 | - | 5.00 | 2,520,884 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,858 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,938 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,012 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,214 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,231 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,771 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,653 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,523 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,879 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,755 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,010 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,319 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,369 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,594 |
| Countries of the Middle East | 0 | - | 4.96 | 199,827 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,720 |
| Slavic Countries | 0 | - | 4.96 | 111,238 |
| African Island Countries | 0 | - | 4.96 | 101,136 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,673 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,079 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,290 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,960 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,729 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,196 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,128 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,215 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,394 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,505 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,685 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,872 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,664 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,720 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,571 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,826 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,856 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,073 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,633 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,711 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,591 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,442 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,342 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,014 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,896 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,561 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,520 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,775 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,759 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,718 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,732 |
| Monarchies of Europe | 0 | - | 4.90 | 97,687 |
| Monarchies of Asia | 0 | - | 4.97 | 70,823 |
| Countries of the German Empire | 0 | - | 4.51 | 37,784 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,662 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,620 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,598 |
| The Only African Country ... | 0 | - | 4.99 | 128,690 |
| The Only American Country ... | 0 | - | 4.92 | 121,159 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,918 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,451 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,353 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,898 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,480 |
| Countries That Border Russia | 0 | - | 4.98 | 460,286 |
| European Countries with One Border | 0 | - | 4.97 | 182,097 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,965 |
| Countries Bordering France | 0 | - | 4.83 | 401,074 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,980 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,704 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,480 |
| UK Immigration by Country | 0 | - | 4.94 | 140,163 |
| Central American Countries | 0 | - | 4.98 | 155,505 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,018 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,217 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,048 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,754 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,325 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,448 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,091 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,967 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,734 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,222 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,507 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,623 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,471 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,678 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,715 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,378 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,762 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,592 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,538 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,150 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,631 |
| Germany Country Quiz | 0 | - | 4.82 | 157,153 |
| Russia Country Quiz | 0 | - | 4.85 | 114,029 |
| Italy Country Quiz | 0 | - | 4.82 | 122,655 |
| Japan Country Quiz | 0 | - | 4.92 | 141,887 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,922 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,080 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,918 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,189 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,698 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,661 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,768 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,926 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,029 |
| Hindu Countries | 0 | - | 4.86 | 49,812 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,082 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,188 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,288 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,892 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,492 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,362 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,985 |
| Every African Country Shape | 0 | - | 4.90 | 86,590 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,812 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,809 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,509 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,767 |
| Countries Bordering India | 0 | - | 4.98 | 163,191 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,923 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,022 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,026 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,288 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,008 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,336 |
| Countries that Border China | 0 | - | 4.96 | 262,469 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,063 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,671 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,269 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,393 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,053 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,368 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,802 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,632 |
| Countries that Border Poland | 0 | - | 4.99 | 171,768 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,986 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,234 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,159 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,906 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,637 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,175 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,405 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,695 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,405 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,201 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,555 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,685 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,973 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,137 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,201 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,237 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,715 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,075 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,868 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,673 |
| Countries Closest to India | 0 | - | 4.97 | 102,453 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,219 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,876 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,707 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,406 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,114 |
| Countries that Beat China | 0 | - | 4.86 | 115,178 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,234 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,388 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,506 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,722 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,836 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,553 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,247 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,657 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,364 |
