| Countries of Europe After World War II | 0 | - | 4.99 | 188,564 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,633 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,303 |
| Countries of the German Empire | 0 | - | 4.51 | 37,978 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,655 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,703 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,055 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,811 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,136 |
| Vietnam War Countries | 0 | - | 4.82 | 94,294 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,555 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,926 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,505 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,157 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,453 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,567 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,817 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,104 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,955 |
| UK Immigration by Country | 0 | - | 4.94 | 141,031 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,337 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,693 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,606 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,004 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,729 |
| Random European Capital to Country | 0 | - | 4.98 | 191,058 |
| Random European Country to Capital | 0 | - | 4.93 | 165,272 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,706 |
| Every European Country Shape | 0 | - | 4.96 | 201,997 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,870 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,342 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,244 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,889 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,326 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,904 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,293 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,968 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,454 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,104 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,197 |
| The Only European Country ... | 0 | - | 4.91 | 217,024 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,538 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,362 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,221 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,705 |
| Countries of Africa | 0 | - | 5.00 | 2,541,023 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,299 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,787 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,647 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,767 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,409 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,258 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,834 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,290 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,598 |
| Europe Capital to Country | 0 | - | 4.99 | 250,585 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,040 |
| European Capitals by Map | 0 | - | 4.99 | 139,591 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,187 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,527 |
| European Coastal Capitals | 0 | - | 4.95 | 90,706 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,266 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,726 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,025 |
| Countries of the Middle East | 0 | - | 4.96 | 201,365 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,422 |
| Slavic Countries | 0 | - | 4.96 | 111,774 |
| African Island Countries | 0 | - | 4.96 | 101,744 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,922 |
| Random European Flag to Country | 0 | - | 4.89 | 182,728 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,553 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,034 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,611 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,676 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,169 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,786 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,855 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,672 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,308 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,311 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,687 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,352 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,263 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,096 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,353 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,384 |
| Flags of Countries That Border France | 0 | - | 4.88 | 123,268 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,984 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,232 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,872 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,027 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,493 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,204 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,500 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,842 |
| Official Cities in the UK | 0 | - | 4.89 | 284,180 |
| Cities in European History #1 | 0 | - | 4.63 | 134,112 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,124 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,417 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,238 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,349 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,981 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,045 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,411 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,204 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,145 |
| Monarchies of Europe | 0 | - | 4.90 | 98,241 |
| Monarchies of Asia | 0 | - | 4.97 | 71,149 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,146 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,764 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,955 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,103 |
| The Only African Country ... | 0 | - | 4.99 | 129,203 |
| The Only American Country ... | 0 | - | 4.92 | 121,719 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,162 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,831 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,965 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,697 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,118 |
| Countries That Border Russia | 0 | - | 4.98 | 462,087 |
| European Countries with One Border | 0 | - | 4.97 | 182,951 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,730 |
| Countries Bordering France | 0 | - | 4.83 | 402,863 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,681 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,293 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,875 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,265 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,664 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,232 |
| Central American Countries | 0 | - | 4.98 | 156,614 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,757 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,448 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,477 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,706 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,019 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,282 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,584 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,295 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,820 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,147 |
| Arms Exports - United States | 0 | - | 4.77 | 62,466 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,924 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,224 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,132 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,044 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,097 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,624 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,192 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,035 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,432 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,527 |
| Germany Country Quiz | 0 | - | 4.83 | 158,017 |
| Russia Country Quiz | 0 | - | 4.83 | 114,587 |
| Japan Country Quiz | 0 | - | 4.93 | 142,616 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,412 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,105 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,381 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,815 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,985 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,559 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,530 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,844 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,147 |
| Hindu Countries | 0 | - | 4.86 | 50,229 |
| Most Forested European Countries | 0 | - | 4.80 | 75,401 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,449 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,443 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,498 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,641 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,382 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,803 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,215 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,048 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,875 |
| Every African Country Shape | 0 | - | 4.90 | 87,487 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,567 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,222 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,353 |
| Countries Bordering India | 0 | - | 4.98 | 163,468 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,305 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,378 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,182 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,629 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,345 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,576 |
| Countries that Border China | 0 | - | 4.96 | 263,337 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,432 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,908 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,594 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,696 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,505 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,786 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,226 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 74,986 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,918 |
| Countries that Border Poland | 0 | - | 4.99 | 172,394 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,749 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,824 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,883 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,510 |
