| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,955 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,570 |
| Hindu Countries | 0 | - | 4.87 | 50,455 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,734 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,716 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,674 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,740 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,005 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,189 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,573 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,513 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,124 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,878 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,270 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,156 |
| Countries of Africa | 0 | - | 5.00 | 2,552,533 |
| Countries Bordering India | 0 | - | 4.98 | 163,713 |
| Countries Closest to India | 0 | - | 4.97 | 103,099 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,240 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,478 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,602 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,707 |
| The Only European Country ... | 0 | - | 4.91 | 218,313 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,399 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,123 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,828 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,021 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,506 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,783 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,237 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,340 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,150 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,717 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,406 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,082 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,428 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,743 |
| Asia Capital to Country | 0 | - | 4.96 | 127,203 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,608 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,074 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,183 |
| Countries of the Middle East | 0 | - | 4.96 | 202,235 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,916 |
| Slavic Countries | 0 | - | 4.96 | 112,171 |
| Vietnam War Countries | 0 | - | 4.82 | 94,494 |
| African Island Countries | 0 | - | 4.96 | 102,229 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,375 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,560 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,096 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,296 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,044 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,271 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,342 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,858 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,629 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,822 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,296 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,064 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,706 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,979 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,956 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,399 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,689 |
| Countries that Visit India the Most | 0 | - | 4.74 | 61,112 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,403 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,075 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,968 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,355 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,095 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,250 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,777 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,314 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,185 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,871 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,496 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,057 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,367 |
| Monarchies of Europe | 0 | - | 4.90 | 98,624 |
| Monarchies of Asia | 0 | - | 4.97 | 71,376 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,176 |
| The Only African Country ... | 0 | - | 4.99 | 129,499 |
| The Only American Country ... | 0 | - | 4.92 | 122,042 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,312 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,184 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,307 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,222 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,586 |
| European Countries with One Border | 0 | - | 4.97 | 183,489 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,232 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,941 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,620 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,450 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,776 |
| UK Immigration by Country | 0 | - | 4.94 | 141,450 |
| Central American Countries | 0 | - | 4.98 | 157,106 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,141 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,146 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,741 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,939 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,750 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,234 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,043 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,610 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,896 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,585 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,487 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,640 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,216 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,593 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,545 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,622 |
| Countries That Border Russia | 0 | - | 4.98 | 463,872 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,335 |
| Countries Bordering France | 0 | - | 4.83 | 404,325 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,305 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,801 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,469 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,337 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,613 |
| Countries that Beat India | 0 | - | 4.42 | 63,232 |
| Germany Country Quiz | 0 | - | 4.83 | 158,558 |
| Russia Country Quiz | 0 | - | 4.83 | 115,133 |
| Japan Country Quiz | 0 | - | 4.93 | 143,082 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,639 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,614 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,503 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,004 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,391 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,042 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,951 |
| Random European Capital to Country | 0 | - | 4.98 | 191,840 |
| Random European Country to Capital | 0 | - | 4.93 | 165,667 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,375 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,284 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,351 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,300 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,624 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,542 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,606 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,670 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,246 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,052 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,081 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,188 |
| Every European Country Shape | 0 | - | 4.96 | 202,589 |
| Every African Country Shape | 0 | - | 4.90 | 88,077 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,880 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,662 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,298 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,885 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,831 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,648 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,921 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,750 |
| Countries that Border China | 0 | - | 4.96 | 263,952 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,989 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,058 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,056 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,554 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,905 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,866 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,763 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,157 |
| Countries that Border Poland | 0 | - | 4.99 | 172,928 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,255 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,235 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,707 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,414 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,649 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,527 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,065 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,776 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,129 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,277 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,383 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,972 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,899 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,868 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,075 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,777 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,031 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,032 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,158 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,116 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,275 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,904 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,518 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,239 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,169 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,899 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,774 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,477 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,797 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,481 |
| Countries with Megacities | 0 | - | 4.99 | 265,943 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,276 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,764 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,533 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,877 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,110 |
