| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,256 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,654 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,769 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,954 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,967 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,817 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,720 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,707 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,614 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,782 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,224 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,715 |
| Countries of Africa | 0 | - | 5.00 | 2,507,093 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,364 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,380 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,929 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,795 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,506 |
| The Only European Country ... | 0 | - | 4.91 | 213,759 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,082 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,488 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,193 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,669 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,835 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,993 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,183 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,261 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,243 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,589 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,549 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,786 |
| Asia Capital to Country | 0 | - | 4.96 | 125,723 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,109 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,175 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,213 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,853 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,559 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,265 |
| Countries of the Middle East | 0 | - | 4.96 | 198,862 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,229 |
| Slavic Countries | 0 | - | 4.96 | 110,831 |
| African Island Countries | 0 | - | 4.96 | 100,765 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,409 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,688 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,462 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,062 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,592 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,692 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,741 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,144 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,147 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,265 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,546 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,242 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,379 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,215 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,493 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,456 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,025 |
| Iran Country Quiz | 0 | - | 4.53 | 59,902 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,672 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,891 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,816 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,575 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,163 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,425 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,175 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,335 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,320 |
| Vietnam War Countries | 0 | - | 4.83 | 93,587 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,350 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,722 |
| Monarchies of Europe | 0 | - | 4.90 | 97,294 |
| Monarchies of Asia | 0 | - | 4.97 | 70,590 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,427 |
| The Only African Country ... | 0 | - | 4.99 | 128,341 |
| The Only American Country ... | 0 | - | 4.92 | 120,733 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,772 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,242 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,027 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,347 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,008 |
| European Countries with One Border | 0 | - | 4.97 | 181,590 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,501 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,084 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,639 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,357 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,444 |
| Countries That Border Russia | 0 | - | 4.98 | 458,847 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,527 |
| Countries Bordering France | 0 | - | 4.83 | 398,776 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,979 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,470 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,295 |
| UK Immigration by Country | 0 | - | 4.94 | 139,596 |
| Central American Countries | 0 | - | 4.98 | 155,011 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,639 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,218 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,851 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,834 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,219 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,347 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,064 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,779 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,767 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,434 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,199 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,223 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,105 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,483 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,464 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,202 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,475 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,183 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,973 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,170 |
| Germany Country Quiz | 0 | - | 4.82 | 156,506 |
| Russia Country Quiz | 0 | - | 4.85 | 113,619 |
| Italy Country Quiz | 0 | - | 4.82 | 122,167 |
| Japan Country Quiz | 0 | - | 4.92 | 141,218 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,108 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,838 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,812 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,028 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,292 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,720 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,536 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,072 |
| Countries with Megacities | 0 | - | 4.99 | 246,678 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,002 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,857 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,428 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,786 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,259 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,013 |
| Random European Capital to Country | 0 | - | 4.98 | 189,172 |
| Random European Country to Capital | 0 | - | 4.92 | 147,427 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,806 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,782 |
| Biggest British Empire Countries | 0 | - | 4.73 | 90,691 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,870 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,529 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,833 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,067 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,144 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,392 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,264 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,693 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,322 |
| Every European Country Shape | 0 | - | 4.96 | 200,101 |
| Every African Country Shape | 0 | - | 4.90 | 86,066 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,089 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,165 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,129 |
| Countries Bordering India | 0 | - | 4.98 | 162,584 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,682 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,761 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,920 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,209 |
| Countries that Border China | 0 | - | 4.96 | 261,793 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,519 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,065 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,215 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,725 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,299 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,463 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,433 |
| Countries that Border Poland | 0 | - | 4.99 | 171,324 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,439 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,828 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,932 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,694 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,232 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,514 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,261 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,365 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,490 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,790 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,873 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,941 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,335 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,749 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,325 |
| Countries Closest to India | 0 | - | 4.97 | 102,198 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,896 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,285 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,523 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,098 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,087 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,308 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,683 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,677 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,160 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,015 |
| Asia Map Quiz | 0 | - | 4.99 | 906,823 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,123 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,794 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,011 |
| Hindu Countries | 0 | - | 4.85 | 49,552 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,770 |
