| Nordic Countries and Capitals | 0 | - | 4.95 | 82,144 |
| Biggest British Empire Countries | 0 | - | 4.72 | 86,251 |
| Countries Bordering France | 0 | - | 4.87 | 382,173 |
| Countries Bordering Germany | 0 | - | 4.99 | 362,399 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 112,877 |
| Random European Capital to Country | 0 | - | 4.97 | 186,341 |
| Random European Country to Capital | 0 | - | 4.92 | 145,656 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 71,534 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 89,584 |
| Every European Country Shape | 0 | - | 4.94 | 197,264 |
| Countries of Africa | 0 | - | 5.00 | 2,452,000 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 79,775 |
| Countries Bordering Austria | 0 | - | 4.97 | 116,339 |
| Countries Bordering Italy | 0 | - | 4.94 | 99,337 |
| Countries that Visit the UK the Most | 0 | - | 4.86 | 72,451 |
| Countries that Visit France the Most | 0 | - | 4.84 | 44,247 |
| Countries Closest to Spain | 0 | - | 4.96 | 222,269 |
| Countries Closest to Metropolitan France | 0 | - | 4.88 | 70,885 |
| Countries Closest to Italy | 0 | - | 4.97 | 193,703 |
| Countries That Use the Euro | 0 | - | 4.96 | 98,914 |
| Countries of the Soviet Union | 0 | - | 4.98 | 192,507 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 43,855 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 110,268 |
| The Only European Country ... | 0 | - | 4.92 | 207,319 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 205,274 |
| European Countries NOT in NATO | 0 | - | 4.89 | 56,450 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 91,086 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,302,798 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 48,760 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,326 |
| Countries of North America Quiz | 0 | - | 5.00 | 991,239 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 162,823 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 93,413 |
| Countries Closest to Iceland | 0 | - | 4.88 | 71,356 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 79,302 |
| Countries of Europe by Population | 0 | - | 4.98 | 173,233 |
| Most Populous Countries by Year | 0 | - | 4.83 | 106,942 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 132,789 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 74,302 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 82,546 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 65,751 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 71,955 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 212,166 |
| Countries of the Middle East | 0 | - | 4.96 | 195,103 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 86,371 |
| Slavic Countries | 0 | - | 4.96 | 109,446 |
| African Island Countries | 0 | - | 4.96 | 99,014 |
| Straight Shot to Antarctica | 0 | - | 4.93 | 41,760 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 123,409 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 104,504 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 133,389 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 212,930 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 189,491 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 151,091 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 111,459 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 141,877 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 148,284 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 113,923 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 158,069 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 96,947 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 105,646 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 78,188 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 227,495 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 179,068 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 189,058 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 101,570 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 106,581 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 170,944 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 116,033 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 122,554 |
| Biggest Roman Empire Countries | 0 | - | 4.89 | 100,298 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,014 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 132,506 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 118,842 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 158,646 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 103,240 |
| Monarchies of Europe | 0 | - | 4.89 | 95,761 |
| Monarchies of Asia | 0 | - | 4.97 | 69,733 |
| Asian Country Superlatives | 0 | - | 4.83 | 79,572 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 130,155 |
| The Only African Country ... | 0 | - | 4.98 | 127,019 |
| The Only American Country ... | 0 | - | 4.92 | 118,514 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,161 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 71,319 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 93,692 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 133,979 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 102,890 |
| European Countries with One Border | 0 | - | 4.97 | 179,132 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 175,835 |
| Countries Closest to Africa | 0 | - | 4.96 | 154,557 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 104,487 |
| UK Immigration by Country | 0 | - | 4.94 | 137,690 |
| Central American Countries | 0 | - | 4.98 | 152,433 |
| Total United States Immigration by Country | 0 | - | 4.90 | 108,255 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 94,545 |
| African Countries with the Most Christians | 0 | - | 4.94 | 73,789 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 233,784 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 194,672 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 118,231 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 111,530 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 89,915 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 99,540 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 56,985 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 78,212 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 190,843 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 124,597 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 31,229 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 121,816 |
| Countries That Border Russia | 0 | - | 4.98 | 453,690 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 87,353 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 89,327 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 67,213 |
| Countries Closest to Australia | 0 | - | 4.99 | 164,719 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 81,967 |
| Germany Country Quiz | 0 | - | 4.81 | 154,209 |
| Russia Country Quiz | 0 | - | 4.85 | 112,195 |
| Italy Country Quiz | 0 | - | 4.81 | 120,146 |
| Japan Country Quiz | 0 | - | 4.93 | 139,072 |
| United Kingdom Country Quiz | 0 | - | 4.95 | 135,208 |
| Croatia Country Quiz | 0 | - | 4.81 | 41,905 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,297 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.84 | 34,452 |
| Random Asian Country to Capital | 0 | - | 4.92 | 93,801 |
| Random Asian Capital to Country | 0 | - | 4.97 | 99,316 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,126 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,233 |
| Biggest French Empire Countries | 0 | - | 4.50 | 64,413 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 136,901 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 87,551 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 95,165 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,507 |
| Countries With the Most Russian Speakers | 0 | - | 4.96 | 93,305 |
| Countries of Europe After World War II | 0 | - | 4.99 | 184,387 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 152,768 |
| Every Asian Country Shape | 0 | - | 4.95 | 85,109 |
| Every African Country Shape | 0 | - | 4.89 | 83,653 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 75,174 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 74,315 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 146,520 |
| Countries Bordering India | 0 | - | 4.98 | 161,793 |
| Countries that Border Hungary | 0 | - | 4.98 | 102,674 |
| Countries Bordering Tanzania | 0 | - | 4.97 | 69,268 |
| Countries Bordering Iran | 0 | - | 4.83 | 93,872 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 63,618 |
| Countries that Border China | 0 | - | 4.96 | 259,459 |
| Countries that Border Iraq | 0 | - | 4.97 | 106,991 |
| Countries Bordering Kenya | 0 | - | 4.86 | 61,903 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 76,187 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 117,063 |
| Countries Bordering Serbia | 0 | - | 4.96 | 90,365 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,038 |
| Countries Bordering Turkey | 0 | - | 4.98 | 115,207 |
| Countries that Border Poland | 0 | - | 4.99 | 169,106 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 105,878 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 88,912 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 75,601 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 58,676 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 81,428 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 92,437 |
| Countries Closest to Cyprus | 0 | - | 4.89 | 53,447 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 102,686 |
| Countries Closest to Canada | 0 | - | 4.90 | 195,463 |
| Countries Closest to Turkey | 0 | - | 4.96 | 123,954 |
| Countries Closest to India | 0 | - | 4.96 | 100,970 |
| Countries Closest to Japan | 0 | - | 4.92 | 136,415 |
| Countries Closest to Ethiopia | 0 | - | 4.89 | 67,712 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 71,095 |
| Countries that Beat Australia | 0 | - | 4.91 | 90,873 |
| Colombia Country Quiz | 0 | - | 4.90 | 39,558 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,020 |
| Europe Map Quiz | 0 | - | 5.00 | 4,670,385 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 94,415 |
| Counties of Ireland | 0 | - | 4.90 | 183,355 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 125,061 |
| World Capitals Closest to London | 0 | - | 4.89 | 99,645 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,412,472 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 371,549 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,198 |
| Countries with Megacities | 0 | - | 4.99 | 228,135 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 193,389 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 109,848 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,173 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,464 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 313,240 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.86 | 54,902 |
| Biggest Cities in France - Extreme | 0 | - | 4.86 | 54,207 |
| Biggest Cities in Germany | 0 | - | 4.95 | 286,581 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 72,780 |
| Vietnam War Countries | 0 | - | 4.81 | 92,477 |
| Hindu Countries | 0 | - | 4.85 | 48,340 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 70,972 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 31,131 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 143,423 |
| Countries Bordering Brazil | 0 | - | 4.96 | 129,708 |
| All Countries that Once Bordered Germany | 0 | - | 4.33 | 73,959 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 190,392 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 48,710 |
| Closest Countries to North Korea | 0 | - | 4.94 | 120,036 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 59,995 |
| Countries that Beat the United States | 0 | - | 4.93 | 162,472 |
