| Countries in the Ottoman Empire | 0 | - | 4.89 | 67,577 |
| Biggest Trading Partners - Turkey | 0 | - | 4.82 | 45,599 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 67,912 |
| Countries Bordering Turkey | 0 | - | 4.98 | 109,636 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,246 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,958 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,312 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,701 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 113,513 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 88,355 |
| Countries of Asia in 1900 | 0 | - | 4.49 | 53,846 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 94,746 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 102,853 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 71,281 |
| Asia Capitals Quiz | 0 | - | 4.98 | 601,933 |
| Countries That Use the Euro | 0 | - | 4.93 | 65,036 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,393 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,566 |
| The Only European Country ... | 0 | - | 4.93 | 181,564 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,528 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,078 |
| Every Asian Country Shape | 0 | - | 4.94 | 76,266 |
| Countries of Africa | 0 | - | 5.00 | 2,199,140 |
| Top 10 Richest Countries in Asia | 0 | - | 4.87 | 82,649 |
| Countries Bordering Iran | 0 | - | 4.82 | 88,861 |
| Countries that Border Iraq | 0 | - | 4.97 | 102,263 |
| Countries Bordering Saudi Arabia | 0 | - | 4.94 | 112,568 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 223,585 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 99,059 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,200,575 |
| Countries of North America Quiz | 0 | - | 5.00 | 891,149 |
| Countries that Bordered the USSR | 0 | - | 4.94 | 154,066 |
| Jordan Country Quiz | 0 | - | 4.83 | 28,129 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,843 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,988 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,418 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,105 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,676 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 54,037 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,375 |
| Asia Capital to Country | 0 | - | 4.96 | 106,645 |
| Asian Capitals by Map | 0 | - | 4.98 | 48,362 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,180 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,708 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 189,097 |
| Countries of the Middle East | 0 | - | 4.96 | 175,866 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,859 |
| Slavic Countries | 0 | - | 4.96 | 101,260 |
| African Island Countries | 0 | - | 4.96 | 90,575 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,205 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,728 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 120,916 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 199,962 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 179,355 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,123 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,631 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,605 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 139,662 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,006 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 148,929 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,794 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,729 |
| Vietnam War Countries | 0 | - | 4.81 | 86,865 |
| Countries Closest to Egypt | 0 | - | 4.85 | 80,299 |
| Biggest Trading Partners - China | 0 | - | 4.96 | 70,675 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,230 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,559 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,999 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,143 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,774 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 82,653 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 122,688 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,717 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 149,235 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 85,969 |
| Monarchies of Europe | 0 | - | 4.88 | 87,747 |
| Monarchies of Asia | 0 | - | 4.95 | 54,525 |
| The Only African Country ... | 0 | - | 4.99 | 120,431 |
| The Only American Country ... | 0 | - | 4.94 | 110,841 |
| African Countries by a Single Clue | 0 | - | 4.92 | 63,990 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,175 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 66,642 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 84,850 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,146 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 122,582 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 92,773 |
| Countries That Border Russia | 0 | - | 4.98 | 429,523 |
| European Countries with One Border | 0 | - | 4.96 | 152,000 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 145,657 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 89,102 |
| Flags of Countries that Border China | 0 | - | 4.93 | 82,407 |
| Countries Bordering France | 0 | - | 4.87 | 360,153 |
| Countries Bordering Germany | 0 | - | 4.99 | 343,131 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,182 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 100,373 |
| UK Immigration by Country | 0 | - | 4.94 | 126,469 |
| Central American Countries | 0 | - | 4.98 | 140,723 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,296 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,591 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 85,615 |
| African Countries with the Most Christians | 0 | - | 4.92 | 68,100 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,578 |
| Most Forested European Countries | 0 | - | 4.82 | 68,928 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 180,843 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 110,733 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,414 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 92,969 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 52,965 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 182,239 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 116,513 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,018 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.90 | 82,233 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 84,767 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 60,637 |
| Countries Closest to Australia | 0 | - | 4.99 | 146,368 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 77,438 |
| Germany Country Quiz | 0 | - | 4.82 | 141,803 |
| Russia Country Quiz | 0 | - | 4.84 | 104,399 |
| Italy Country Quiz | 0 | - | 4.81 | 110,451 |
| Japan Country Quiz | 0 | - | 4.92 | 120,743 |
| Turkey Country Quiz | 0 | - | 4.37 | 63,868 |
| Indonesia Country Quiz | 0 | - | 4.83 | 67,291 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 120,550 |
| Croatia Country Quiz | 0 | - | 4.81 | 37,876 |
| Europe Map Quiz | 0 | - | 5.00 | 4,332,281 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 104,188 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,199 |
| Countries of the Soviet Union | 0 | - | 4.98 | 185,728 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,546 |
| South China Sea Countries | 0 | - | 4.81 | 54,151 |
| Biggest British Empire Countries | 0 | - | 4.70 | 80,187 |
| Biggest French Empire Countries | 0 | - | 4.46 | 51,637 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 129,237 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,761 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 90,138 |
| Countries of Europe After World War II | 0 | - | 4.98 | 172,443 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 140,953 |
| Every European Country Shape | 0 | - | 4.95 | 172,906 |
| Every African Country Shape | 0 | - | 4.88 | 71,148 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.83 | 51,875 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 69,146 |
| Top 10 Richest Countries in Africa | 0 | - | 4.87 | 68,549 |
| Top 10 Richest Countries in Europe | 0 | - | 4.88 | 136,793 |
| Countries Bordering India | 0 | - | 4.98 | 156,624 |
| Countries that Border Hungary | 0 | - | 4.98 | 97,116 |
| Countries Bordering Austria | 0 | - | 4.97 | 110,802 |
| Countries Bordering Tanzania | 0 | - | 4.97 | 66,662 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 60,528 |
| Countries that Border China | 0 | - | 4.96 | 234,855 |
| Countries Bordering Kenya | 0 | - | 4.85 | 58,473 |
| Countries Bordering Myanmar | 0 | - | 4.85 | 71,609 |
| Countries Bordering Serbia | 0 | - | 4.95 | 83,934 |
| Countries Bordering South Africa | 0 | - | 4.97 | 78,504 |
| Countries Bordering Italy | 0 | - | 4.95 | 95,325 |
| Countries that Border Poland | 0 | - | 4.99 | 159,848 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,597 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,738 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 70,130 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 53,920 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 63,640 |
| Countries that Visit France the Most | 0 | - | 4.81 | 40,318 |
| Countries Closest to Spain | 0 | - | 4.95 | 207,659 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.92 | 76,552 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 87,499 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,745 |
| Countries Closest to Cyprus | 0 | - | 4.81 | 46,092 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 86,631 |
| Countries Closest to Canada | 0 | - | 4.90 | 185,558 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.83 | 61,626 |
| Countries Closest to Turkey | 0 | - | 4.94 | 107,230 |
| Countries Closest to India | 0 | - | 4.96 | 95,002 |
| Countries Closest to Japan | 0 | - | 4.93 | 128,258 |
| Countries Closest to Italy | 0 | - | 4.97 | 181,016 |
| Countries Closest to Ethiopia | 0 | - | 4.89 | 64,001 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 65,609 |
| Colombia Country Quiz | 0 | - | 4.89 | 35,536 |
| Iraq Country Quiz | 0 | - | 4.44 | 37,582 |
| Lebanon Country Quiz | 0 | - | 4.56 | 31,926 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,607 |
| Iran Country Quiz | 0 | - | 4.52 | 49,942 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,322,487 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,113 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,971 |
| Countries with Megacities | 0 | - | 4.99 | 200,297 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,830 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,203 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,336 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,194 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,187 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,338 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 44,619 |
| European Countries NOT in NATO | 0 | - | 4.79 | 35,954 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 125,639 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 59,851 |
| Countries Bordering Brazil | 0 | - | 4.96 | 124,542 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 45,628 |
| Countries Closest to Iceland | 0 | - | 4.87 | 63,618 |
| Closest Countries to North Korea | 0 | - | 4.92 | 105,552 |
| Biggest Trading Partners – Australia | 0 | - | 4.89 | 48,051 |
| Countries that Beat the United States | 0 | - | 4.92 | 147,284 |
