| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,481 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,426 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,029 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,852 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,752 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,419 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,066 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,568 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,851 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,978 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,813 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,516 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,101 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,800 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,672 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,938 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,032 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,118 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,360 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,452 |
| The Only European Country ... | 0 | - | 4.91 | 215,398 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,284 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,464 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,503 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,349 |
| Countries of Africa | 0 | - | 5.00 | 2,523,747 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,060 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,122 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,426 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,957 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,079 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,210 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,227 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,944 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,599 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,303 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,518 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,050 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,899 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,897 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 90,776 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,010 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,286 |
| Asia Capital to Country | 0 | - | 4.96 | 126,250 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,812 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,386 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,640 |
| Countries of the Middle East | 0 | - | 4.96 | 200,031 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,822 |
| Slavic Countries | 0 | - | 4.96 | 111,320 |
| African Island Countries | 0 | - | 4.96 | 101,233 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,409 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,062 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,857 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,348 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,227 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,305 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,437 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,585 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,770 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,975 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,777 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,792 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,644 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,894 |
| Turkey Country Quiz | 0 | - | 4.42 | 75,456 |
| Vietnam War Countries | 0 | - | 4.83 | 93,940 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,938 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,812 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,900 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,924 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,592 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,398 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,906 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,581 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,654 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,862 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,784 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,022 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,790 |
| Monarchies of Europe | 0 | - | 4.90 | 97,764 |
| Monarchies of Asia | 0 | - | 4.97 | 70,873 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,678 |
| The Only African Country ... | 0 | - | 4.99 | 128,767 |
| The Only American Country ... | 0 | - | 4.92 | 121,234 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,955 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,515 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,498 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,034 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,583 |
| Countries That Border Russia | 0 | - | 4.98 | 460,557 |
| European Countries with One Border | 0 | - | 4.97 | 182,233 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,092 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,890 |
| Countries Bordering France | 0 | - | 4.83 | 401,354 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,166 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,790 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,504 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,466 |
| UK Immigration by Country | 0 | - | 4.94 | 140,455 |
| Central American Countries | 0 | - | 4.98 | 155,622 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,125 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,776 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,237 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,556 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,224 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,840 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,522 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,174 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,013 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,573 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,702 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,578 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,717 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,780 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,419 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,814 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,612 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,195 |
| Germany Country Quiz | 0 | - | 4.82 | 157,291 |
| Russia Country Quiz | 0 | - | 4.85 | 114,104 |
| Italy Country Quiz | 0 | - | 4.82 | 122,778 |
| Japan Country Quiz | 0 | - | 4.93 | 142,005 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,083 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,139 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,962 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,222 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,630 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,871 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,408 |
| Random European Capital to Country | 0 | - | 4.98 | 190,233 |
| Random European Country to Capital | 0 | - | 4.93 | 161,042 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,280 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,961 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,566 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,055 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,161 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,234 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,320 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,731 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,605 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,770 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,990 |
| Every European Country Shape | 0 | - | 4.96 | 200,982 |
| Every African Country Shape | 0 | - | 4.90 | 86,746 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,352 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,585 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,879 |
| Countries Bordering India | 0 | - | 4.98 | 163,230 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,982 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,067 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,047 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,363 |
| Countries that Border China | 0 | - | 4.96 | 262,607 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,710 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,326 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,122 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,384 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,664 |
| Countries that Border Poland | 0 | - | 4.99 | 171,863 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,102 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,340 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,221 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,946 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,726 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,203 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,722 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,335 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,612 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,745 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,015 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,270 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,301 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,822 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,884 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,742 |
| Countries Closest to India | 0 | - | 4.97 | 102,510 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,306 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,357 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,750 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,464 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,465 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,553 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,820 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,819 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,379 |
| Iran Country Quiz | 0 | - | 4.53 | 60,142 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,832 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,081 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,477 |
| Countries with Megacities | 0 | - | 4.99 | 249,399 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,327 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,656 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,653 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,633 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,923 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,159 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,462 |
| Hindu Countries | 0 | - | 4.86 | 49,883 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,055 |
