| Countries of Europe Before World War I | 0 | - | 4.99 | 156,947 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,847 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,399 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,716 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,060 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,286 |
| Countries of the German Empire | 0 | - | 4.51 | 38,048 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,902 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,346 |
| Vietnam War Countries | 0 | - | 4.82 | 94,395 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,794 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,170 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,717 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,739 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,588 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,725 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,870 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,490 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,051 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,949 |
| UK Immigration by Country | 0 | - | 4.94 | 141,228 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,573 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,809 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,930 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,316 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,843 |
| Random European Capital to Country | 0 | - | 4.98 | 191,572 |
| Random European Country to Capital | 0 | - | 4.93 | 165,481 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,831 |
| Every European Country Shape | 0 | - | 4.96 | 202,321 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,097 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,459 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,457 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,993 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,432 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,768 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,175 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,857 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,237 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,256 |
| The Only European Country ... | 0 | - | 4.91 | 217,652 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,968 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,746 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,297 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,761 |
| Countries of Africa | 0 | - | 5.00 | 2,547,155 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,612 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,831 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,743 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,945 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,568 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,335 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,964 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,365 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,671 |
| Europe Capital to Country | 0 | - | 4.99 | 251,088 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,328 |
| European Capitals by Map | 0 | - | 4.99 | 140,334 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,376 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,714 |
| European Coastal Capitals | 0 | - | 4.95 | 90,901 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,793 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,596 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,621 |
| Countries of the Middle East | 0 | - | 4.96 | 201,827 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,666 |
| Slavic Countries | 0 | - | 4.96 | 111,973 |
| African Island Countries | 0 | - | 4.96 | 101,946 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,994 |
| Random European Flag to Country | 0 | - | 4.89 | 183,103 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,643 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,329 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,870 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,966 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,472 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,027 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,099 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,746 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,451 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,531 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,854 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,557 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,421 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,292 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,487 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,552 |
| Flags of Countries That Border France | 0 | - | 4.88 | 123,455 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,199 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,320 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,402 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,345 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,792 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,429 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,618 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,960 |
| Official Cities in the UK | 0 | - | 4.89 | 284,805 |
| Cities in European History #1 | 0 | - | 4.63 | 134,271 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,259 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,608 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,345 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,460 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,173 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,120 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,634 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,336 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,261 |
| Monarchies of Europe | 0 | - | 4.90 | 98,428 |
| Monarchies of Asia | 0 | - | 4.97 | 71,281 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,158 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,796 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,069 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,657 |
| The Only African Country ... | 0 | - | 4.99 | 129,328 |
| The Only American Country ... | 0 | - | 4.92 | 121,869 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,239 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,924 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,106 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,949 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,340 |
| Countries That Border Russia | 0 | - | 4.98 | 463,030 |
| European Countries with One Border | 0 | - | 4.97 | 183,227 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,995 |
| Countries Bordering France | 0 | - | 4.83 | 403,767 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,866 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,463 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,329 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,489 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,658 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,335 |
| Central American Countries | 0 | - | 4.98 | 156,880 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,017 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,954 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,077 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,529 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,867 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,848 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,448 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,754 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,380 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,855 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,469 |
| Arms Exports - United States | 0 | - | 4.77 | 62,561 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,060 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,414 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,337 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,537 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,226 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,718 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,327 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,195 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,537 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,678 |
| Germany Country Quiz | 0 | - | 4.83 | 158,296 |
| Russia Country Quiz | 0 | - | 4.83 | 114,772 |
| Japan Country Quiz | 0 | - | 4.93 | 142,838 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,519 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,147 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,434 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,923 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,238 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,639 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,766 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,075 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,214 |
| Hindu Countries | 0 | - | 4.86 | 50,338 |
| Most Forested European Countries | 0 | - | 4.80 | 75,487 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,550 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,486 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,543 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,667 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,446 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,817 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,451 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,709 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,547 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,038 |
| Every African Country Shape | 0 | - | 4.90 | 87,774 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,765 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,579 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,498 |
| Countries Bordering India | 0 | - | 4.98 | 163,602 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,477 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,707 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,585 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,972 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,712 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,653 |
| Countries that Border China | 0 | - | 4.96 | 263,656 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,789 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,987 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,933 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 132,917 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,716 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,836 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,583 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 75,049 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,055 |
| Countries that Border Poland | 0 | - | 4.99 | 172,679 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,965 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,025 |
