| Countries that Bordered the USSR | 0 | - | 4.93 | 165,187 |
| Countries That Border Russia | 0 | - | 4.98 | 461,200 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,240 |
| Countries that Border Poland | 0 | - | 4.99 | 172,094 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,458 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,081 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,496 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,027 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,377 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,072 |
| Countries Bordering France | 0 | - | 4.83 | 401,991 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,690 |
| UK Immigration by Country | 0 | - | 4.94 | 140,720 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,774 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,066 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,883 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,912 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,733 |
| Russia Country Quiz | 0 | - | 4.85 | 114,305 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,509 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,564 |
| Random European Capital to Country | 0 | - | 4.98 | 190,665 |
| Random European Country to Capital | 0 | - | 4.93 | 164,736 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,337 |
| Every European Country Shape | 0 | - | 4.96 | 201,361 |
| Countries of Africa | 0 | - | 5.00 | 2,531,047 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,504 |
| Countries Bordering India | 0 | - | 4.98 | 163,344 |
| Countries that Border China | 0 | - | 4.96 | 262,896 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,275 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,766 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,941 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,724 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,485 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,608 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,649 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,890 |
| The Only European Country ... | 0 | - | 4.91 | 216,063 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,830 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,817 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,589 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,214 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,613 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,924 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,117 |
| Europe Capital to Country | 0 | - | 4.99 | 249,634 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,625 |
| European Capitals by Map | 0 | - | 4.99 | 138,651 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,910 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,263 |
| European Coastal Capitals | 0 | - | 4.95 | 90,410 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,618 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,237 |
| Countries of the Middle East | 0 | - | 4.96 | 200,813 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,044 |
| Slavic Countries | 0 | - | 4.96 | 111,514 |
| African Island Countries | 0 | - | 4.96 | 101,462 |
| Random European Flag to Country | 0 | - | 4.89 | 182,037 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,686 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,308 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,231 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,713 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,463 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,563 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,526 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,108 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,010 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,425 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,043 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,995 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,839 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,112 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,296 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,206 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,348 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,741 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,552 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,061 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,663 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,361 |
| Official Cities in the UK | 0 | - | 4.89 | 283,154 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,271 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,915 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,091 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,125 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,194 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,758 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,770 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,088 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,962 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,283 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,957 |
| Monarchies of Europe | 0 | - | 4.90 | 97,985 |
| Monarchies of Asia | 0 | - | 4.97 | 70,997 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,788 |
| The Only African Country ... | 0 | - | 4.98 | 128,970 |
| The Only American Country ... | 0 | - | 4.92 | 121,426 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,070 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,673 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,702 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,288 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,806 |
| European Countries with One Border | 0 | - | 4.97 | 182,546 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,354 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,080 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,028 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,671 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,964 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,067 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,546 |
| Central American Countries | 0 | - | 4.98 | 155,922 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,357 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,062 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,481 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,328 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,408 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 132,514 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,985 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,337 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,139 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,952 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,729 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,964 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,825 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,874 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,519 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,969 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,799 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,297 |
| Germany Country Quiz | 0 | - | 4.82 | 157,630 |
| Italy Country Quiz | 0 | - | 4.82 | 123,237 |
| Japan Country Quiz | 0 | - | 4.93 | 142,253 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,254 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,305 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,691 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,315 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,100 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,239 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,451 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,451 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,054 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,799 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,116 |
| Most Forested European Countries | 0 | - | 4.80 | 75,252 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,290 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,336 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,393 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,610 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,574 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,204 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,099 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,282 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,593 |
| Every African Country Shape | 0 | - | 4.90 | 87,073 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,564 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,144 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,160 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,113 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,203 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,105 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,170 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,460 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,258 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,794 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,437 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,537 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,734 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,015 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,381 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,551 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,341 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,054 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,267 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,800 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,696 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,740 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,866 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,104 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,436 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,435 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,058 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,934 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,902 |
| Countries Closest to India | 0 | - | 4.97 | 102,660 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,488 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,762 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,852 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,480 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,649 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,422 |
| Serbia Country Quiz | 0 | - | 4.44 | 34,976 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,653 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,472 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,782 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,065 |
| Countries with Megacities | 0 | - | 4.99 | 260,661 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,926 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,016 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,200 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,023 |
