| Neutral European Countries of WWII | 0 | - | 4.92 | 148,081 |
| Vietnam War Countries | 0 | - | 4.81 | 86,478 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 98,528 |
| Countries of Europe After World War II | 0 | - | 4.98 | 171,020 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 139,716 |
| Biggest Trading Partners - China | 0 | - | 4.96 | 70,107 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 100,040 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 67,206 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 67,467 |
| Countries Bordering China Since 1914 | 0 | - | 4.91 | 87,817 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 161,052 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.91 | 80,937 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 86,015 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 111,760 |
| Flags of Countries that Border China | 0 | - | 4.93 | 81,802 |
| Countries of Asia in 1900 | 0 | - | 4.49 | 53,431 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 93,694 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 84,674 |
| African Countries with the Most Christians | 0 | - | 4.92 | 67,430 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 101,876 |
| Asia Capitals Quiz | 0 | - | 4.98 | 594,681 |
| Random Asian Capital to Country | 0 | - | 4.97 | 89,244 |
| Countries of the Soviet Union | 0 | - | 4.98 | 184,949 |
| Every Asian Country Shape | 0 | - | 4.93 | 75,262 |
| Countries of Africa | 0 | - | 5.00 | 2,170,785 |
| Top 10 Richest Countries in Asia | 0 | - | 4.87 | 81,137 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 222,233 |
| Countries That Use the Euro | 0 | - | 4.92 | 63,257 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 92,487 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,168 |
| The Only European Country ... | 0 | - | 4.94 | 178,830 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,479 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 86,667 |
| Countries that Bordered the USSR | 0 | - | 4.95 | 152,882 |
| Biggest Trading Partners - Australia | 0 | - | 4.88 | 42,912 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 74,584 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 122,557 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,171 |
| Most Populous Countries by Year | 0 | - | 4.81 | 93,831 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,671 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,668 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,190 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,705 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,992 |
| Asia Capital to Country | 0 | - | 4.96 | 105,742 |
| Asian Capitals by Map | 0 | - | 4.98 | 47,152 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 46,611 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,186,397 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 186,620 |
| Countries of the Middle East | 0 | - | 4.96 | 173,789 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 74,840 |
| Slavic Countries | 0 | - | 4.96 | 100,636 |
| African Island Countries | 0 | - | 4.96 | 89,411 |
| Countries of North America Quiz | 0 | - | 5.00 | 880,788 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 111,109 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 93,691 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 119,469 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 197,767 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 160,608 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,732 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,089 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 132,336 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 138,482 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,759 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,948 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,783 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,642 |
| Biggest Trading Partners - UK | 0 | - | 4.86 | 57,078 |
| Biggest Trading Partners - Germany | 0 | - | 4.98 | 62,608 |
| Biggest Trading Partners - Turkey | 0 | - | 4.82 | 44,984 |
| Biggest Trading Partners - Spain | 0 | - | 4.90 | 50,312 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 205,489 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,526 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,173 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,001 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 51,293 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,155 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,560 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 82,093 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 121,699 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,926 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 85,215 |
| Monarchies of Europe | 0 | - | 4.88 | 87,087 |
| Monarchies of Asia | 0 | - | 4.95 | 54,081 |
| The Only African Country ... | 0 | - | 4.98 | 105,267 |
| The Only American Country ... | 0 | - | 4.94 | 109,804 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,511 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,972 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 83,938 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 37,594 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 120,953 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 91,505 |
| European Countries with One Border | 0 | - | 4.96 | 150,640 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 144,557 |
| Asian Countries with the Fewest Borders | 0 | - | 4.82 | 88,418 |
| Countries Closest to Africa | 0 | - | 4.95 | 145,282 |
| UK Immigration by Country | 0 | - | 4.95 | 125,348 |
| Central American Countries | 0 | - | 4.98 | 139,585 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 104,477 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,809 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 185,126 |
| Most Forested European Countries | 0 | - | 4.82 | 68,292 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 179,002 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 109,654 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,465 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 92,214 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 52,495 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 70,572 |
| Arms Exports - United States | 0 | - | 4.64 | 48,764 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 180,876 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 115,623 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 25,225 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,504 |
| Countries That Border Russia | 0 | - | 4.98 | 426,243 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.89 | 81,657 |
| Countries Bordering France | 0 | - | 4.87 | 357,581 |
| Countries Bordering Germany | 0 | - | 4.99 | 340,899 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 84,268 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 59,941 |
| Countries Closest to Australia | 0 | - | 4.99 | 145,506 |
| Countries Closest to the Persian Gulf | 0 | - | 4.88 | 68,582 |
| Germany Country Quiz | 0 | - | 4.82 | 140,466 |
| Russia Country Quiz | 0 | - | 4.84 | 103,298 |
| Italy Country Quiz | 0 | - | 4.81 | 109,081 |
| Japan Country Quiz | 0 | - | 4.92 | 119,531 |
| Indonesia Country Quiz | 0 | - | 4.82 | 65,451 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 118,939 |
| Croatia Country Quiz | 0 | - | 4.81 | 37,322 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,727 |
| Random European Capital to Country | 0 | - | 4.97 | 152,848 |
| Random European Country to Capital | 0 | - | 4.92 | 135,064 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,182 |
| South China Sea Countries | 0 | - | 4.82 | 53,854 |
| Biggest British Empire Countries | 0 | - | 4.70 | 79,404 |
| Biggest French Empire Countries | 0 | - | 4.46 | 51,386 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 128,273 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,392 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 89,409 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 56,326 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 52,183 |
| Every European Country Shape | 0 | - | 4.95 | 171,502 |
| Every African Country Shape | 0 | - | 4.87 | 69,833 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.82 | 51,482 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,321 |
| Top 10 Richest Countries in Africa | 0 | - | 4.87 | 67,848 |
| Top 10 Richest Countries in Europe | 0 | - | 4.88 | 135,377 |
| Countries Bordering India | 0 | - | 4.98 | 156,100 |
| Countries that Border Hungary | 0 | - | 4.98 | 96,273 |
| Countries Bordering Austria | 0 | - | 4.97 | 110,088 |
| Countries Bordering Tanzania | 0 | - | 4.97 | 66,338 |
| Countries Bordering Iran | 0 | - | 4.83 | 88,273 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 60,223 |
| Countries that Border China | 0 | - | 4.96 | 233,225 |
| Countries that Border Iraq | 0 | - | 4.97 | 101,684 |
| Countries Bordering Kenya | 0 | - | 4.86 | 58,064 |
| Countries Bordering Myanmar | 0 | - | 4.86 | 71,062 |
| Countries Bordering Saudi Arabia | 0 | - | 4.94 | 112,007 |
| Countries Bordering Serbia | 0 | - | 4.95 | 83,149 |
| Countries Bordering South Africa | 0 | - | 4.97 | 78,343 |
| Countries Bordering Turkey | 0 | - | 4.98 | 108,999 |
| Countries Bordering Italy | 0 | - | 4.92 | 78,812 |
| Countries that Border Poland | 0 | - | 4.99 | 158,700 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 93,433 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 78,763 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 69,570 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 53,429 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 62,727 |
| Countries that Visit France the Most | 0 | - | 4.84 | 39,955 |
| Countries Closest to Spain | 0 | - | 4.95 | 206,076 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 75,998 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 86,927 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,312 |
| Countries Closest to Cyprus | 0 | - | 4.81 | 45,184 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 84,963 |
| Countries Closest to Canada | 0 | - | 4.90 | 184,554 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.83 | 61,400 |
| Countries Closest to Turkey | 0 | - | 4.94 | 106,125 |
| Countries Closest to India | 0 | - | 4.96 | 94,205 |
| Countries Closest to Japan | 0 | - | 4.93 | 127,350 |
| Countries Closest to Italy | 0 | - | 4.97 | 179,180 |
| Countries Closest to Ethiopia | 0 | - | 4.89 | 63,596 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 64,913 |
| Colombia Country Quiz | 0 | - | 4.92 | 35,064 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,437 |
| Europe Map Quiz | 0 | - | 5.00 | 4,297,543 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,312,387 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,823 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,141 |
| Countries "Ruled" by King Charles III | 0 | - | 4.79 | 80,736 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 124,534 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 59,414 |
| Countries Bordering Brazil | 0 | - | 4.96 | 123,867 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.97 | 178,439 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 45,283 |
| Countries Closest to Iceland | 0 | - | 4.87 | 62,871 |
| Closest Countries to North Korea | 0 | - | 4.93 | 104,295 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,798 |
| Brunei Country Quiz | 0 | - | 4.88 | 19,499 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.82 | 31,008 |
| Jordan Country Quiz | 0 | - | 4.83 | 27,820 |
