| Countries that Bordered the USSR | 0 | - | 4.93 | 164,381 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,765 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,952 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,944 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,747 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,034 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,577 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,965 |
| Countries That Border Russia | 0 | - | 4.98 | 458,602 |
| Countries Bordering France | 0 | - | 4.85 | 397,175 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,757 |
| UK Immigration by Country | 0 | - | 4.94 | 139,504 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,684 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,118 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,304 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,426 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,070 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,000 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,963 |
| Random European Capital to Country | 0 | - | 4.98 | 189,081 |
| Random European Country to Capital | 0 | - | 4.92 | 147,352 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,192 |
| Every European Country Shape | 0 | - | 4.95 | 199,863 |
| Countries of Africa | 0 | - | 5.00 | 2,505,075 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,061 |
| Countries Bordering India | 0 | - | 4.98 | 162,546 |
| Countries that Border China | 0 | - | 4.96 | 261,717 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,381 |
| Countries that Border Poland | 0 | - | 4.99 | 171,233 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,170 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,055 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,989 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,769 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,740 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,365 |
| The Only European Country ... | 0 | - | 4.91 | 213,550 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,880 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,352 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,161 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,105 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,722 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,643 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,648 |
| Europe Capital to Country | 0 | - | 4.99 | 247,329 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,324 |
| European Capitals by Map | 0 | - | 4.99 | 135,990 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,083 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,537 |
| European Coastal Capitals | 0 | - | 4.95 | 89,668 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,572 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,082 |
| Countries of the Middle East | 0 | - | 4.96 | 198,736 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,174 |
| Slavic Countries | 0 | - | 4.96 | 110,782 |
| African Island Countries | 0 | - | 4.96 | 100,678 |
| Random European Flag to Country | 0 | - | 4.89 | 180,764 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,600 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,379 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,947 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,505 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,604 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,681 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,119 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,092 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,210 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,481 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,171 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,326 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,143 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,441 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,843 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,432 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,700 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,482 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,841 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,712 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,913 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,769 |
| Official Cities in the UK | 0 | - | 4.89 | 280,229 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,564 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,345 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,652 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,375 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,714 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,110 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,314 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,260 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,275 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,381 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,303 |
| Monarchies of Europe | 0 | - | 4.90 | 97,227 |
| Monarchies of Asia | 0 | - | 4.97 | 70,545 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,385 |
| The Only African Country ... | 0 | - | 4.99 | 128,281 |
| The Only American Country ... | 0 | - | 4.92 | 120,672 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,743 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,206 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,973 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,239 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,937 |
| European Countries with One Border | 0 | - | 4.97 | 181,487 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,996 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,474 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,027 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,807 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,098 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,616 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,270 |
| Central American Countries | 0 | - | 4.98 | 154,933 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,548 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,085 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,796 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,040 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,307 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,163 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,017 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,742 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,718 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,388 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,134 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,180 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,044 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,456 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,173 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,430 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,132 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,947 |
| Germany Country Quiz | 0 | - | 4.82 | 156,418 |
| Russia Country Quiz | 0 | - | 4.85 | 113,573 |
| Italy Country Quiz | 0 | - | 4.82 | 122,093 |
| Japan Country Quiz | 0 | - | 4.92 | 141,129 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,798 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,003 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,400 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,175 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,332 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,156 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,335 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,712 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,757 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,237 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,851 |
| Most Forested European Countries | 0 | - | 4.80 | 74,866 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,785 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,044 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,112 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,521 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,208 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,075 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,587 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,233 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,501 |
| Every African Country Shape | 0 | - | 4.90 | 85,881 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,051 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,134 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,611 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,625 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,671 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,888 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,732 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,188 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,791 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,483 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,025 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,160 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,658 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,281 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,369 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,322 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,742 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,887 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,666 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,475 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,156 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,338 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,457 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,760 |
| Countries Closest to Cyprus | 0 | - | 4.90 | 54,827 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,883 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,260 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,728 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,236 |
| Countries Closest to India | 0 | - | 4.96 | 102,155 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,845 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,191 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,492 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,314 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,279 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,278 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,088 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,775 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,240 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,898 |
| Countries with Megacities | 0 | - | 4.99 | 246,284 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,826 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,751 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,280 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,690 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,423 |
| Hindu Countries | 0 | - | 4.85 | 49,452 |
