| Countries of the Soviet Union | 0 | - | 4.98 | 193,823 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,231 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,455 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,259 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,859 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,726 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,346 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,505 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,425 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,302 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,836 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,247 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,857 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,048 |
| Random European Capital to Country | 0 | - | 4.98 | 189,195 |
| Random European Country to Capital | 0 | - | 4.92 | 147,442 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,271 |
| Every European Country Shape | 0 | - | 4.96 | 200,140 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,668 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,962 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,806 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,537 |
| Biggest British Empire Countries | 0 | - | 4.73 | 93,107 |
| The Only European Country ... | 0 | - | 4.91 | 213,802 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,121 |
| Vietnam War Countries | 0 | - | 4.83 | 93,602 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,521 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,200 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,596 |
| Countries of Africa | 0 | - | 5.00 | 2,507,595 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,477 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,722 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,535 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,953 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,034 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,210 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,281 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,260 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,603 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,558 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,803 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,686 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,295 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,372 |
| Countries of the Middle East | 0 | - | 4.96 | 198,897 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,249 |
| Slavic Countries | 0 | - | 4.96 | 110,850 |
| African Island Countries | 0 | - | 4.96 | 100,781 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,496 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,548 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,698 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,478 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,097 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,612 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,706 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,755 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,149 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,157 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,280 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,559 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,256 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,396 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,232 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,500 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,679 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,766 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,505 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,923 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,979 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,839 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,978 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,825 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,587 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,111 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,190 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,619 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,353 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,333 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,361 |
| Monarchies of Europe | 0 | - | 4.90 | 97,305 |
| Monarchies of Asia | 0 | - | 4.97 | 70,595 |
| Countries of the German Empire | 0 | - | 4.51 | 37,658 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,595 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,430 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,745 |
| The Only African Country ... | 0 | - | 4.99 | 128,353 |
| The Only American Country ... | 0 | - | 4.92 | 120,750 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,774 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,246 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,034 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,379 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,029 |
| Countries That Border Russia | 0 | - | 4.98 | 458,891 |
| European Countries with One Border | 0 | - | 4.97 | 181,612 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,514 |
| Countries Bordering France | 0 | - | 4.83 | 398,977 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,022 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,099 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,031 |
| UK Immigration by Country | 0 | - | 4.94 | 139,617 |
| Central American Countries | 0 | - | 4.98 | 155,025 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,656 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,884 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,244 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,358 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,236 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,081 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,791 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,772 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,443 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,718 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,207 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,235 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,115 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,486 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,471 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,212 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,486 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,192 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,977 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,751 |
| Germany Country Quiz | 0 | - | 4.82 | 156,533 |
| Russia Country Quiz | 0 | - | 4.85 | 113,622 |
| Italy Country Quiz | 0 | - | 4.82 | 122,191 |
| Japan Country Quiz | 0 | - | 4.92 | 141,229 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,127 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,845 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,815 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,033 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,777 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,393 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,406 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,788 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,886 |
| Hindu Countries | 0 | - | 4.85 | 49,568 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,848 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,072 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,146 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,725 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,438 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,302 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,694 |
| Every African Country Shape | 0 | - | 4.90 | 86,094 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,411 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,094 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,170 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,141 |
| Countries Bordering India | 0 | - | 4.98 | 162,593 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,693 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,773 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,924 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,063 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,777 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,212 |
| Countries that Border China | 0 | - | 4.96 | 261,807 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,844 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,525 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,074 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,222 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,738 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,304 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,478 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,446 |
| Countries that Border Poland | 0 | - | 4.99 | 171,340 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,455 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,841 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,936 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,701 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,251 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,279 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,524 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,171 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,297 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,371 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,499 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,799 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,843 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,884 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,949 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,346 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,795 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,751 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,336 |
| Countries Closest to India | 0 | - | 4.97 | 102,204 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,902 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,310 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,526 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,105 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,564 |
| Countries that Beat China | 0 | - | 4.86 | 114,704 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,881 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,094 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,311 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,614 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,760 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,409 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,028 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 30,845 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,538 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,293 |
