| Countries that Bordered the USSR | 0 | - | 4.93 | 164,405 |
| Countries That Border Russia | 0 | - | 4.98 | 458,666 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,827 |
| Countries that Border Poland | 0 | - | 4.99 | 171,263 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,995 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,994 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,788 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,044 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,636 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,999 |
| Countries Bordering France | 0 | - | 4.85 | 397,804 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,823 |
| UK Immigration by Country | 0 | - | 4.94 | 139,521 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,700 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,143 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,316 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,429 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,086 |
| Russia Country Quiz | 0 | - | 4.85 | 113,585 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,031 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,976 |
| Random European Capital to Country | 0 | - | 4.98 | 189,105 |
| Random European Country to Capital | 0 | - | 4.92 | 147,367 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,259 |
| Every European Country Shape | 0 | - | 4.96 | 199,952 |
| Countries of Africa | 0 | - | 5.00 | 2,505,661 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,082 |
| Countries Bordering India | 0 | - | 4.98 | 162,557 |
| Countries that Border China | 0 | - | 4.96 | 261,738 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,674 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,400 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,191 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,063 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,324 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,818 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,756 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,412 |
| The Only European Country ... | 0 | - | 4.91 | 213,605 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,939 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,390 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,118 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,978 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,846 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,671 |
| Europe Capital to Country | 0 | - | 4.99 | 247,374 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,348 |
| European Capitals by Map | 0 | - | 4.99 | 136,063 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,099 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,551 |
| European Coastal Capitals | 0 | - | 4.95 | 89,682 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,632 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,149 |
| Countries of the Middle East | 0 | - | 4.96 | 198,778 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,187 |
| Slavic Countries | 0 | - | 4.96 | 110,797 |
| African Island Countries | 0 | - | 4.96 | 100,700 |
| Random European Flag to Country | 0 | - | 4.89 | 180,798 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,618 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,400 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,977 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,532 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,626 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,700 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,124 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,111 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,229 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,499 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,182 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,342 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,162 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,451 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,858 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,451 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,718 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,488 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,875 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,740 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,930 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,782 |
| Official Cities in the UK | 0 | - | 4.89 | 280,300 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,580 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,357 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,661 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,392 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,723 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,130 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,325 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,278 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,285 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,396 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,317 |
| Monarchies of Europe | 0 | - | 4.90 | 97,245 |
| Monarchies of Asia | 0 | - | 4.97 | 70,556 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,400 |
| The Only African Country ... | 0 | - | 4.99 | 128,299 |
| The Only American Country ... | 0 | - | 4.92 | 120,690 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,751 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,214 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,986 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,269 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,955 |
| European Countries with One Border | 0 | - | 4.97 | 181,512 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,109 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,486 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,048 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,822 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,125 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,624 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,275 |
| Central American Countries | 0 | - | 4.98 | 154,946 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,580 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,110 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,809 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,230 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,320 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,184 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,028 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,751 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,735 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,402 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,153 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,189 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,060 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,464 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,180 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,443 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,150 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,955 |
| Germany Country Quiz | 0 | - | 4.82 | 156,447 |
| Italy Country Quiz | 0 | - | 4.82 | 122,117 |
| Japan Country Quiz | 0 | - | 4.92 | 141,149 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,808 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,009 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,437 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,306 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,353 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,163 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,305 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,345 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,747 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,765 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,251 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,856 |
| Most Forested European Countries | 0 | - | 4.80 | 74,878 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,795 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,050 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,118 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,525 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,223 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,123 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,608 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,259 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,543 |
| Every African Country Shape | 0 | - | 4.90 | 85,924 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,056 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,141 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,620 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,639 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,708 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,902 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,743 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,191 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,793 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,496 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,031 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,179 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,283 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,407 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,351 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,772 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,899 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,667 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,491 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,181 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,346 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,468 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,772 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,837 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,896 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,279 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,733 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,266 |
| Countries Closest to India | 0 | - | 4.97 | 102,164 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,859 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,205 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,502 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,320 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,284 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,281 |
| Serbia Country Quiz | 0 | - | 4.44 | 34,752 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,734 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,037 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,377 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,937 |
| Countries with Megacities | 0 | - | 4.99 | 246,375 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,862 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,769 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,316 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,716 |
