| Countries that Bordered the USSR | 0 | - | 4.93 | 164,365 |
| Countries That Border Russia | 0 | - | 4.98 | 458,557 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,720 |
| Countries that Border Poland | 0 | - | 4.99 | 171,218 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,930 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,920 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,725 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,016 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,560 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,955 |
| Countries Bordering France | 0 | - | 4.85 | 396,702 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,713 |
| UK Immigration by Country | 0 | - | 4.94 | 139,496 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,675 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,100 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,298 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,421 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,065 |
| Russia Country Quiz | 0 | - | 4.85 | 113,564 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 137,983 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,954 |
| Random European Capital to Country | 0 | - | 4.98 | 189,070 |
| Random European Country to Capital | 0 | - | 4.92 | 147,338 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,162 |
| Every European Country Shape | 0 | - | 4.95 | 199,848 |
| Countries of Africa | 0 | - | 5.00 | 2,504,601 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,048 |
| Countries Bordering India | 0 | - | 4.98 | 162,540 |
| Countries that Border China | 0 | - | 4.96 | 261,689 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,652 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,370 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,154 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,045 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,762 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,745 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,723 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,345 |
| The Only European Country ... | 0 | - | 4.91 | 213,517 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,845 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,335 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,157 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,089 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,649 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,505 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,632 |
| Europe Capital to Country | 0 | - | 4.99 | 247,299 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,305 |
| European Capitals by Map | 0 | - | 4.99 | 135,962 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,077 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,525 |
| European Coastal Capitals | 0 | - | 4.95 | 89,652 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,538 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,056 |
| Countries of the Middle East | 0 | - | 4.96 | 198,711 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,151 |
| Slavic Countries | 0 | - | 4.96 | 110,774 |
| African Island Countries | 0 | - | 4.96 | 100,668 |
| Random European Flag to Country | 0 | - | 4.89 | 180,746 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,593 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,365 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,931 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,486 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,587 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,677 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,114 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,079 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,200 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,471 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,158 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,324 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,136 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,427 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,835 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,421 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,689 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,478 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,815 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,695 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,902 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,766 |
| Official Cities in the UK | 0 | - | 4.89 | 280,178 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,545 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,334 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,648 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,370 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,706 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,101 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,308 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,253 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,268 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,363 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,297 |
| Monarchies of Europe | 0 | - | 4.90 | 97,217 |
| Monarchies of Asia | 0 | - | 4.97 | 70,542 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,381 |
| The Only African Country ... | 0 | - | 4.99 | 128,268 |
| The Only American Country ... | 0 | - | 4.92 | 120,666 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,735 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,204 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,967 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,228 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,931 |
| European Countries with One Border | 0 | - | 4.97 | 181,466 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,974 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,463 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,018 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,795 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,091 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,610 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,267 |
| Central American Countries | 0 | - | 4.98 | 154,922 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,532 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,078 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,789 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,995 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,298 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,159 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,007 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,732 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,711 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,380 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,129 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,172 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,036 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,452 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,172 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,425 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,123 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,946 |
| Germany Country Quiz | 0 | - | 4.82 | 156,405 |
| Italy Country Quiz | 0 | - | 4.82 | 122,083 |
| Japan Country Quiz | 0 | - | 4.92 | 141,119 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,794 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 34,999 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,376 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,107 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,323 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,152 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,282 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,332 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,700 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,754 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,231 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,848 |
| Most Forested European Countries | 0 | - | 4.80 | 74,859 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,780 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,043 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,105 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,521 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,204 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,055 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,568 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,211 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,495 |
| Every African Country Shape | 0 | - | 4.90 | 85,869 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,048 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,131 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,607 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,609 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,657 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,879 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,725 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,185 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,785 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,477 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,018 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,143 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,280 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,338 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,298 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,726 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,880 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,657 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,465 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,137 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,335 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,453 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,756 |
| Countries Closest to Cyprus | 0 | - | 4.90 | 54,821 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,882 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,243 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,725 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,204 |
| Countries Closest to India | 0 | - | 4.96 | 102,147 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,838 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,177 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,479 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,313 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,273 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,276 |
| Serbia Country Quiz | 0 | - | 4.44 | 34,741 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,619 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,618 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,143 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,882 |
| Countries with Megacities | 0 | - | 4.99 | 246,236 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,800 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,744 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,267 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,681 |
