| Countries of Europe After World War II | 0 | - | 4.99 | 188,567 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,634 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,304 |
| 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 | 126,061 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,813 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,136 |
| Vietnam War Countries | 0 | - | 4.82 | 94,296 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,558 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,929 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,507 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,157 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,455 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,568 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,819 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,107 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,955 |
| UK Immigration by Country | 0 | - | 4.94 | 141,034 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,342 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,694 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,607 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,006 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,729 |
| Random European Capital to Country | 0 | - | 4.98 | 191,060 |
| Random European Country to Capital | 0 | - | 4.93 | 165,274 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,706 |
| Every European Country Shape | 0 | - | 4.96 | 201,999 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,874 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,342 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,247 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,891 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,331 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,905 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,296 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,970 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,457 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,105 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,198 |
| The Only European Country ... | 0 | - | 4.91 | 217,029 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,543 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,364 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,221 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,706 |
| Countries of Africa | 0 | - | 5.00 | 2,541,102 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,301 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,787 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,649 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,769 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,410 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,258 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,836 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,291 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,598 |
| Europe Capital to Country | 0 | - | 4.99 | 250,586 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,043 |
| European Capitals by Map | 0 | - | 4.99 | 139,598 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,188 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,529 |
| 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 | 1,329,765 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,028 |
| Countries of the Middle East | 0 | - | 4.96 | 201,366 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,426 |
| Slavic Countries | 0 | - | 4.96 | 111,776 |
| African Island Countries | 0 | - | 4.96 | 101,744 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,923 |
| Random European Flag to Country | 0 | - | 4.89 | 182,738 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,571 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,036 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,613 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,678 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,172 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,787 |
| 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 | 144,311 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,313 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,689 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,353 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,266 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,098 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,354 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,385 |
| Flags of Countries That Border France | 0 | - | 4.88 | 123,270 |
| 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 | 464,875 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,031 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,499 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,216 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,501 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,842 |
| Official Cities in the UK | 0 | - | 4.89 | 284,186 |
| Cities in European History #1 | 0 | - | 4.63 | 134,113 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,126 |
| 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 | 81,350 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,982 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,045 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,412 |
| 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 | 98,242 |
| Monarchies of Asia | 0 | - | 4.97 | 71,150 |
| 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 | 80,956 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,105 |
| The Only African Country ... | 0 | - | 4.99 | 129,204 |
| The Only American Country ... | 0 | - | 4.92 | 121,720 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,163 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,833 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,967 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,699 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,120 |
| Countries That Border Russia | 0 | - | 4.98 | 462,089 |
| European Countries with One Border | 0 | - | 4.97 | 182,954 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,730 |
| Countries Bordering France | 0 | - | 4.83 | 402,866 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,683 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,293 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,885 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,268 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,669 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,232 |
| Central American Countries | 0 | - | 4.98 | 156,616 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,759 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,458 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,477 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,707 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,026 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,283 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,584 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,296 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,820 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,151 |
| Arms Exports - United States | 0 | - | 4.77 | 62,468 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,924 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,225 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,133 |
| 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 | 90,626 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,193 |
| 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 | 261,536 |
| Germany Country Quiz | 0 | - | 4.83 | 158,021 |
| Russia Country Quiz | 0 | - | 4.83 | 114,590 |
| Japan Country Quiz | 0 | - | 4.93 | 142,616 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,414 |
| 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 | 331,008 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,559 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,533 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,849 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,148 |
| Hindu Countries | 0 | - | 4.86 | 50,230 |
| 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 | 34,805 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,217 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,055 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,879 |
| Every African Country Shape | 0 | - | 4.90 | 87,489 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,570 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,225 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,354 |
| Countries Bordering India | 0 | - | 4.98 | 163,468 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,306 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,378 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,182 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,630 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,347 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,576 |
| Countries that Border China | 0 | - | 4.96 | 263,338 |
| 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 | 92,506 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,786 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,228 |
| 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 | 172,395 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,751 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,829 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,884 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,511 |
