| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,458 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,408 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,005 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,828 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,689 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,388 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,047 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,545 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,777 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,961 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,802 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,472 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,802 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,772 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,380 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,876 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,977 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,027 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,310 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,381 |
| The Only European Country ... | 0 | - | 4.91 | 215,279 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,185 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,397 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,484 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,034 |
| Countries of Africa | 0 | - | 5.00 | 2,522,584 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,031 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,104 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,413 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,922 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,057 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,776 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,763 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,902 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,579 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,279 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,413 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,968 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,828 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,759 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 89,011 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,932 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,181 |
| Asia Capital to Country | 0 | - | 4.96 | 126,216 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,761 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,375 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,542 |
| Countries of the Middle East | 0 | - | 4.96 | 199,931 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,787 |
| Slavic Countries | 0 | - | 4.96 | 111,288 |
| African Island Countries | 0 | - | 4.96 | 101,201 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,369 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,020 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,806 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,285 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,192 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,274 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,420 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,549 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,740 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,934 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,718 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,762 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,610 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,865 |
| Turkey Country Quiz | 0 | - | 4.42 | 75,424 |
| Vietnam War Countries | 0 | - | 4.83 | 93,924 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,917 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,787 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,881 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,855 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,526 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,328 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,872 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,562 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,624 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,822 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,757 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,971 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,761 |
| Monarchies of Europe | 0 | - | 4.90 | 97,730 |
| Monarchies of Asia | 0 | - | 4.97 | 70,851 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,653 |
| The Only African Country ... | 0 | - | 4.99 | 128,730 |
| The Only American Country ... | 0 | - | 4.92 | 121,203 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,942 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,493 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,460 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,980 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,539 |
| Countries That Border Russia | 0 | - | 4.98 | 460,445 |
| European Countries with One Border | 0 | - | 4.97 | 182,176 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,041 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,863 |
| Countries Bordering France | 0 | - | 4.83 | 401,249 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,085 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,749 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,228 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,457 |
| UK Immigration by Country | 0 | - | 4.94 | 140,413 |
| Central American Countries | 0 | - | 4.98 | 155,572 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,098 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,741 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,206 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,441 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,148 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,804 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,493 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,130 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,991 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,540 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,670 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,548 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,702 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,753 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,405 |
| Countries that Visit Australia the Most | 0 | - | 4.91 | 68,793 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,575 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,175 |
| Germany Country Quiz | 0 | - | 4.82 | 157,239 |
| Russia Country Quiz | 0 | - | 4.85 | 114,076 |
| Italy Country Quiz | 0 | - | 4.82 | 122,735 |
| Japan Country Quiz | 0 | - | 4.92 | 141,964 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,026 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,123 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,933 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,207 |
| Europe Map Quiz | 0 | - | 5.00 | 4,747,370 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,830 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,381 |
| Random European Capital to Country | 0 | - | 4.98 | 190,128 |
| Random European Country to Capital | 0 | - | 4.92 | 159,019 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,242 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,944 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,518 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,046 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,126 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,215 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,305 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,636 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,508 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,712 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,940 |
| Every European Country Shape | 0 | - | 4.96 | 200,882 |
| Every African Country Shape | 0 | - | 4.90 | 86,670 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,164 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,549 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,828 |
| Countries Bordering India | 0 | - | 4.98 | 163,213 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,953 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,050 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,035 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,355 |
| Countries that Border China | 0 | - | 4.96 | 262,552 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,695 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,306 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,096 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,376 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,653 |
| Countries that Border Poland | 0 | - | 4.99 | 171,826 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,055 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,298 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,194 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,926 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,695 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,191 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,711 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,278 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,581 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,719 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,987 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,241 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,268 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,763 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,879 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,713 |
| Countries Closest to India | 0 | - | 4.97 | 102,478 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,257 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,958 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,736 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,434 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,433 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,536 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,807 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,809 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,371 |
| Iran Country Quiz | 0 | - | 4.53 | 60,117 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,393 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,964 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,410 |
| Countries with Megacities | 0 | - | 4.99 | 249,194 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,266 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,614 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,577 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,579 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,920 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,149 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,358 |
| Hindu Countries | 0 | - | 4.86 | 49,857 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,025 |
