| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,766 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,780 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,301 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,211 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,613 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,386 |
| UK Immigration by Country | 0 | - | 4.94 | 141,629 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,602 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,894 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,622 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,991 |
| The Only European Country ... | 0 | - | 4.91 | 218,789 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,798 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,409 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,886 |
| Countries of Africa | 0 | - | 5.00 | 2,557,625 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,023 |
| Random European Capital to Country | 0 | - | 4.98 | 192,060 |
| Random European Country to Capital | 0 | - | 4.93 | 165,830 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,281 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,226 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,003 |
| Every European Country Shape | 0 | - | 4.96 | 202,845 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,097 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,669 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,788 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,268 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,827 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,077 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,587 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,335 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,839 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,490 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,162 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,493 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,841 |
| Europe Capital to Country | 0 | - | 4.99 | 251,937 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,882 |
| European Capitals by Map | 0 | - | 4.99 | 141,941 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,802 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,117 |
| European Coastal Capitals | 0 | - | 4.95 | 91,251 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,641 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,589 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,461 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,349 |
| Countries of the Middle East | 0 | - | 4.96 | 202,497 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,108 |
| Slavic Countries | 0 | - | 4.96 | 112,313 |
| African Island Countries | 0 | - | 4.96 | 102,387 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,150 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,748 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,266 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,515 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,269 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,431 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,473 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,930 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,742 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,980 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,417 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,207 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,841 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,099 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,069 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,801 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,502 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,658 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,281 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,357 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,933 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,618 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,817 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,809 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,944 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,204 |
| Official Cities in the UK | 0 | - | 4.89 | 286,017 |
| Cities in European History #1 | 0 | - | 4.63 | 134,558 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,537 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,046 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,548 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,673 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,428 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,237 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,040 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,610 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,459 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 25,030 |
| Monarchies of Europe | 0 | - | 4.90 | 98,799 |
| Monarchies of Asia | 0 | - | 4.97 | 71,475 |
| Random European Flag to Country | 0 | - | 4.90 | 184,089 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,251 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,350 |
| The Only African Country ... | 0 | - | 4.99 | 129,616 |
| The Only American Country ... | 0 | - | 4.92 | 122,170 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,366 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,251 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,434 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,408 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,768 |
| European Countries with One Border | 0 | - | 4.97 | 183,699 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,456 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,762 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,918 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,974 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,966 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,119 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,936 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,299 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,991 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,426 |
| Countries That Border Russia | 0 | - | 4.98 | 464,341 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,814 |
| Countries Bordering France | 0 | - | 4.83 | 404,728 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,747 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,672 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,626 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,566 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,862 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,954 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,525 |
| Central American Countries | 0 | - | 4.98 | 157,253 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,541 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,326 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,915 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,053 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,256 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,273 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,081 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,789 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,999 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,548 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,756 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,307 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,803 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,731 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,716 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,426 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,877 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,553 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,761 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,688 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,360 |
| Germany Country Quiz | 0 | - | 4.82 | 158,763 |
| Russia Country Quiz | 0 | - | 4.83 | 115,270 |
| Japan Country Quiz | 0 | - | 4.93 | 143,256 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,708 |
| Tanzania Country Quiz | 0 | - | 4.91 | 33,238 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,559 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,064 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,543 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,664 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,349 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,292 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,001 |
| Countries with Megacities | 0 | - | 4.99 | 266,828 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,714 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,031 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,028 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,158 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,423 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,616 |
| Most Forested European Countries | 0 | - | 4.80 | 75,658 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,702 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,564 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,084 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,839 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,800 |
| Asia Map Quiz | 0 | - | 4.99 | 924,489 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,646 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,795 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,952 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,375 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 104,542 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,326 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,371 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,693 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,590 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,666 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,902 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,855 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,658 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,475 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,643 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,102 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,567 |
| Every African Country Shape | 0 | - | 4.90 | 88,296 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,689 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,950 |
| Countries Bordering India | 0 | - | 4.98 | 163,788 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,975 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,911 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,686 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,029 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,802 |
| Countries that Border China | 0 | - | 4.96 | 264,179 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,068 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,111 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,160 |
