| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,061 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,757 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,876 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,281 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,979 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,925 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,618 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,001 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,505 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,287 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,332 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,043 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,508 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,641 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,654 |
| Countries of Africa | 0 | - | 5.00 | 2,562,019 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,476 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,979 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,386 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,096 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,293 |
| The Only European Country ... | 0 | - | 4.91 | 219,275 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,116 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,652 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,954 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,296 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,525 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,337 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,502 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,947 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,565 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,233 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,543 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,887 |
| Asia Capital to Country | 0 | - | 4.96 | 127,619 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,010 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,229 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,003 |
| Countries of the Middle East | 0 | - | 4.96 | 203,077 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,262 |
| Slavic Countries | 0 | - | 4.96 | 112,429 |
| Vietnam War Countries | 0 | - | 4.82 | 94,687 |
| African Island Countries | 0 | - | 4.96 | 102,622 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,507 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,205 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,896 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,378 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,787 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,916 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,654 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,628 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,035 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,908 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,149 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,940 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,522 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,990 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,222 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 44,824 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,539 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,233 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,726 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,100 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,295 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,434 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,998 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,513 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,386 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,173 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,711 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,427 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,552 |
| Monarchies of Europe | 0 | - | 4.90 | 98,938 |
| Monarchies of Asia | 0 | - | 4.97 | 71,544 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,316 |
| The Only African Country ... | 0 | - | 4.99 | 129,728 |
| The Only American Country ... | 0 | - | 4.92 | 122,257 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,410 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,471 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,894 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,613 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 106,947 |
| European Countries with One Border | 0 | - | 4.97 | 183,891 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,611 |
| Flags of Countries that Border China | 0 | - | 4.94 | 100,163 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,916 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 113,638 |
| UK Immigration by Country | 0 | - | 4.94 | 141,794 |
| Central American Countries | 0 | - | 4.98 | 157,414 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,639 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,465 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,051 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,143 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,708 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,834 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,402 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,885 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,089 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,177 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,607 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,864 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,382 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,970 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,864 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,782 |
| Countries That Border Russia | 0 | - | 4.98 | 464,653 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,490 |
| Countries Bordering France | 0 | - | 4.83 | 405,083 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,999 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,915 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,643 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,873 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,748 |
| Germany Country Quiz | 0 | - | 4.82 | 158,923 |
| Russia Country Quiz | 0 | - | 4.83 | 115,367 |
| Japan Country Quiz | 0 | - | 4.93 | 143,418 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,123 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,782 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,268 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,608 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,105 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,970 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,122 |
| Random European Capital to Country | 0 | - | 4.98 | 192,233 |
| Random European Country to Capital | 0 | - | 4.93 | 165,984 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,626 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,376 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,767 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,638 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,716 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,011 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,826 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,522 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,579 |
| Every European Country Shape | 0 | - | 4.96 | 203,110 |
| Every African Country Shape | 0 | - | 4.90 | 88,472 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,464 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,072 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,319 |
| Countries Bordering India | 0 | - | 4.98 | 163,841 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,041 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,976 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,719 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,092 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,873 |
| Countries that Border China | 0 | - | 4.96 | 264,382 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,138 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,168 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,215 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,856 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,135 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,925 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,921 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,296 |
| Countries that Border Poland | 0 | - | 4.99 | 173,235 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,624 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,498 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,888 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,570 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,919 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,639 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,179 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,224 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,309 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,411 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,516 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 56,193 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,090 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,547 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,136 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,961 |
| Countries Closest to India | 0 | - | 4.97 | 103,272 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,241 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,486 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,305 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,356 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,490 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,024 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,186 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,557 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,225 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,919 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,977 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,705 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,184 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,539 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,378 |
| Hindu Countries | 0 | - | 4.87 | 50,611 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,293 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,662 |
| Top 10 Richest Countries in Asia | 0 | - | 4.69 | 106,704 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,290 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,822 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,930 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,204 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,308 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,053 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,749 |
| Countries that Beat China | 0 | - | 4.85 | 116,804 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,659 |
