| Countries of the Soviet Union | 0 | - | 4.98 | 194,195 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,446 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,908 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,829 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,037 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,633 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,858 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,868 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,667 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,437 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,404 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,675 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,156 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,285 |
| Random European Capital to Country | 0 | - | 4.98 | 189,742 |
| Random European Country to Capital | 0 | - | 4.92 | 147,829 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,435 |
| Every European Country Shape | 0 | - | 4.96 | 200,796 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,955 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,873 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,237 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,264 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,445 |
| The Only European Country ... | 0 | - | 4.91 | 215,046 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,030 |
| Vietnam War Countries | 0 | - | 4.83 | 93,876 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,272 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,460 |
| Countries of Africa | 0 | - | 5.00 | 2,520,606 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,855 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,934 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,009 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,209 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,201 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,765 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,649 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,518 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,875 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,753 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,008 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,267 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,351 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,590 |
| Countries of the Middle East | 0 | - | 4.96 | 199,816 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,715 |
| Slavic Countries | 0 | - | 4.96 | 111,223 |
| African Island Countries | 0 | - | 4.96 | 101,127 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,671 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,961 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,280 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,954 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,720 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,182 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,118 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,211 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,391 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,501 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,678 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,866 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,655 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,712 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,566 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,818 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,849 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,073 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,629 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,692 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,580 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,429 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,333 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,014 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,890 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,557 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,517 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,773 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,751 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,717 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,727 |
| Monarchies of Europe | 0 | - | 4.90 | 97,680 |
| Monarchies of Asia | 0 | - | 4.97 | 70,819 |
| Countries of the German Empire | 0 | - | 4.51 | 37,781 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,658 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,615 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,594 |
| The Only African Country ... | 0 | - | 4.99 | 128,687 |
| The Only American Country ... | 0 | - | 4.92 | 121,154 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,917 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,445 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,332 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,891 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,472 |
| Countries That Border Russia | 0 | - | 4.98 | 460,261 |
| European Countries with One Border | 0 | - | 4.97 | 182,088 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,954 |
| Countries Bordering France | 0 | - | 4.83 | 401,052 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,962 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,701 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,475 |
| UK Immigration by Country | 0 | - | 4.94 | 140,100 |
| Central American Countries | 0 | - | 4.98 | 155,496 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,009 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,188 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,036 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,750 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,260 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,443 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,091 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,965 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,731 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,212 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,505 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,611 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,463 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,676 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,710 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,375 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,758 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,590 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,536 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,150 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,606 |
| Germany Country Quiz | 0 | - | 4.82 | 157,142 |
| Russia Country Quiz | 0 | - | 4.85 | 114,020 |
| Italy Country Quiz | 0 | - | 4.82 | 122,646 |
| Japan Country Quiz | 0 | - | 4.92 | 141,875 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,889 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,078 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,917 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,187 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,670 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,659 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,765 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,923 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,029 |
| Hindu Countries | 0 | - | 4.86 | 49,809 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,079 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,185 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,286 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,890 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,485 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,338 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,979 |
| Every African Country Shape | 0 | - | 4.90 | 86,580 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,800 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,772 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,501 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,753 |
| Countries Bordering India | 0 | - | 4.98 | 163,188 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,922 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,019 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,023 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,287 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,001 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,334 |
| Countries that Border China | 0 | - | 4.96 | 262,458 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,062 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,669 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,266 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,390 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,049 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,366 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,797 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,629 |
| Countries that Border Poland | 0 | - | 4.99 | 171,758 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,973 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,224 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,154 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,904 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,631 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,172 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,404 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,690 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 83,400 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,194 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,551 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,684 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,970 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,131 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,191 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,233 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,709 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,071 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,867 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,668 |
| Countries Closest to India | 0 | - | 4.97 | 102,450 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,212 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,865 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,702 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,400 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,112 |
| Countries that Beat China | 0 | - | 4.86 | 115,173 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,231 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,384 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,505 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,721 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,835 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,552 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,243 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,654 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,363 |
