| Countries in the Ottoman Empire | 0 | - | 4.89 | 66,815 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 66,873 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,543 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 79,994 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,195 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 77,403 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 110,060 |
| Countries Bordering China Since 1914 | 0 | - | 4.91 | 87,189 |
| Countries of Asia in 1900 | 0 | - | 4.49 | 53,009 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 92,013 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 100,811 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 69,889 |
| Biggest Trading Partners - Turkey | 0 | - | 4.82 | 44,386 |
| Asia Capitals Quiz | 0 | - | 4.98 | 588,205 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,648 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 91,021 |
| The Only European Country ... | 0 | - | 4.94 | 176,194 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,324 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,420 |
| Countries of Africa | 0 | - | 5.00 | 2,144,254 |
| Random Asian Capital to Country | 0 | - | 4.97 | 88,453 |
| Every Asian Country Shape | 0 | - | 4.94 | 74,538 |
| Top 10 Richest Countries in Asia | 0 | - | 4.88 | 76,338 |
| Countries Bordering Iran | 0 | - | 4.84 | 87,835 |
| Countries that Border Iraq | 0 | - | 4.97 | 101,269 |
| Countries Bordering Saudi Arabia | 0 | - | 4.94 | 111,488 |
| Countries Bordering Turkey | 0 | - | 4.98 | 108,363 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,172,397 |
| Countries of North America Quiz | 0 | - | 5.00 | 870,411 |
| Jordan Country Quiz | 0 | - | 4.83 | 27,515 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,745 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 108,903 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,234 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,691 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,362 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,603 |
| Asia Capital to Country | 0 | - | 4.96 | 105,079 |
| Asian Capitals by Map | 0 | - | 4.98 | 46,057 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 46,300 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 221,031 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,976 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,667 |
| Countries of the Middle East | 0 | - | 4.96 | 171,590 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,862 |
| Slavic Countries | 0 | - | 4.96 | 99,849 |
| African Island Countries | 0 | - | 4.96 | 88,623 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,069 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,807 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,293 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,549 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,657 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,926 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,475 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,391 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,546 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,040 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,050 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,135 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,920 |
| Countries that Bordered the USSR | 0 | - | 4.94 | 141,550 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 97,787 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,574 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 156,125 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,208 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 50,505 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 101,031 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,704 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,083 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,490 |
| Monarchies of Europe | 0 | - | 4.88 | 86,333 |
| Monarchies of Asia | 0 | - | 4.95 | 53,630 |
| The Only African Country ... | 0 | - | 4.99 | 104,596 |
| The Only American Country ... | 0 | - | 4.94 | 108,933 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,211 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,711 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,527 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,848 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,223 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,674 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,479 |
| European Countries with One Border | 0 | - | 4.96 | 149,563 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,478 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,694 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,569 |
| Countries Closest to Egypt | 0 | - | 4.85 | 79,284 |
| Biggest Trading Partners - China | 0 | - | 4.96 | 69,540 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 81,521 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 130,186 |
| Countries That Border Russia | 0 | - | 4.98 | 423,614 |
| Flags of Countries that Border China | 0 | - | 4.93 | 81,074 |
| Countries Bordering France | 0 | - | 4.87 | 355,137 |
| Countries Bordering Germany | 0 | - | 4.99 | 338,916 |
| Europe Map Quiz | 0 | - | 5.00 | 4,260,224 |
| UK Immigration by Country | 0 | - | 4.95 | 124,244 |
| Central American Countries | 0 | - | 4.98 | 138,033 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,572 |
| Total United States Immigration by Country | 0 | - | 4.90 | 95,948 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 83,672 |
| African Countries with the Most Christians | 0 | - | 4.92 | 66,721 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 182,309 |
| Most Forested European Countries | 0 | - | 4.82 | 67,686 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 176,854 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 108,753 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 80,479 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 91,531 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 52,080 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 180,070 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 114,884 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,144 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.89 | 81,075 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 83,762 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 59,142 |
| Countries Closest to Australia | 0 | - | 4.99 | 144,523 |
| Countries Closest to the Persian Gulf | 0 | - | 4.88 | 68,213 |
| Germany Country Quiz | 0 | - | 4.83 | 139,006 |
| Russia Country Quiz | 0 | - | 4.84 | 102,424 |
| Italy Country Quiz | 0 | - | 4.81 | 107,728 |
| Japan Country Quiz | 0 | - | 4.92 | 118,200 |
| Indonesia Country Quiz | 0 | - | 4.83 | 64,766 |
| United Kingdom Country Quiz | 0 | - | 4.93 | 117,306 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,272 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,302,983 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,697 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,302 |
| Countries with Megacities | 0 | - | 4.99 | 194,970 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,632 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,950 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,816 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,797 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,305 |
| World Capitals Closest to Jerusalem | 0 | - | 4.45 | 42,686 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 99,243 |
| Biggest British Empire Countries | 0 | - | 4.66 | 78,574 |
| Biggest French Empire Countries | 0 | - | 4.45 | 51,119 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,044 |
| Iraq Country Quiz | 0 | - | 4.44 | 36,953 |
| Iran Country Quiz | 0 | - | 4.52 | 48,929 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,335,468 |
| Oceania Map Quiz | 0 | - | 4.97 | 563,027 |
| Africa Map Quiz | 0 | - | 5.00 | 1,926,975 |
| Asia Map Quiz | 0 | - | 4.99 | 775,608 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,338 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.90 | 90,945 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 37,960 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,251 |
| Random European Capital to Country | 0 | - | 4.97 | 151,663 |
| Random European Country to Capital | 0 | - | 4.92 | 134,137 |
| Countries of the Soviet Union | 0 | - | 4.98 | 183,920 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 65,795 |
| South China Sea Countries | 0 | - | 4.82 | 53,535 |
| American Countries on the Pacific Coast | 0 | - | 4.79 | 37,320 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 127,555 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 82,921 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 88,560 |
| European Countries NOT in NATO | 0 | - | 4.76 | 34,606 |
| Countries With the Most Russian Speakers | 0 | - | 4.94 | 55,447 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 51,369 |
| Countries of Europe After World War II | 0 | - | 4.98 | 169,307 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 138,026 |
| Every European Country Shape | 0 | - | 4.95 | 170,185 |
| Every African Country Shape | 0 | - | 4.85 | 68,596 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.82 | 51,073 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.87 | 67,372 |
| Top 10 Richest Countries in Africa | 0 | - | 4.87 | 67,017 |
| Top 10 Richest Countries in Europe | 0 | - | 4.88 | 133,868 |
| Countries Bordering India | 0 | - | 4.98 | 155,292 |
| Countries that Border Hungary | 0 | - | 4.98 | 95,813 |
| Countries Bordering Austria | 0 | - | 4.97 | 109,548 |
| Countries Bordering Tanzania | 0 | - | 4.97 | 66,061 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 59,889 |
| Countries that Border China | 0 | - | 4.96 | 231,948 |
| Countries Bordering Kenya | 0 | - | 4.85 | 57,645 |
| Countries Bordering Myanmar | 0 | - | 4.85 | 70,520 |
| Countries Bordering Serbia | 0 | - | 4.95 | 82,449 |
| Countries Bordering South Africa | 0 | - | 4.97 | 78,220 |
| Countries Bordering Italy | 0 | - | 4.92 | 78,556 |
| Countries that Border Poland | 0 | - | 4.99 | 157,761 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 92,112 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,694 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 69,001 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 52,889 |
| Countries that Visit the UK the Most | 0 | - | 4.84 | 61,770 |
| Countries that Visit France the Most | 0 | - | 4.84 | 39,578 |
| Countries Closest to Spain | 0 | - | 4.95 | 204,555 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 75,517 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 86,329 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 65,948 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 84,350 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,339 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.82 | 61,162 |
| Countries Closest to Turkey | 0 | - | 4.94 | 105,505 |
| Countries Closest to India | 0 | - | 4.96 | 93,558 |
| Countries Closest to Japan | 0 | - | 4.93 | 126,539 |
| Countries Closest to Italy | 0 | - | 4.97 | 177,735 |
| Countries Closest to Ethiopia | 0 | - | 4.88 | 63,203 |
| Biggest Trading Partners - European Union | 0 | - | 4.90 | 64,243 |
| Colombia Country Quiz | 0 | - | 4.92 | 34,605 |
| Brunei Country Quiz | 0 | - | 4.88 | 19,280 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.82 | 30,712 |
| Moldova Country Quiz | 0 | - | 4.87 | 27,113 |
