| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,960 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,573 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,929 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,731 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,679 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,741 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,024 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,742 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,193 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,584 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,547 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,078 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,219 |
| Countries of Africa | 0 | - | 5.00 | 2,552,846 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,884 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,273 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,267 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,617 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,731 |
| The Only European Country ... | 0 | - | 4.91 | 218,337 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,430 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,144 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,834 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,163 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,993 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,363 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,161 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,727 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,410 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,090 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,433 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,749 |
| Asia Capital to Country | 0 | - | 4.96 | 127,216 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,629 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,079 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,029 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,478 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,611 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,205 |
| Countries of the Middle East | 0 | - | 4.96 | 202,258 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,936 |
| Slavic Countries | 0 | - | 4.96 | 112,183 |
| African Island Countries | 0 | - | 4.96 | 102,236 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,893 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,568 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,103 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,311 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,059 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,281 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,350 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,860 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,639 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,832 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,305 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,074 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,716 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,989 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,964 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,246 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,835 |
| Iran Country Quiz | 0 | - | 4.49 | 60,587 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,408 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,991 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,373 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,103 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,257 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,779 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,321 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,881 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,502 |
| Vietnam War Countries | 0 | - | 4.82 | 94,496 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,373 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,634 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,379 |
| Monarchies of Europe | 0 | - | 4.90 | 98,641 |
| Monarchies of Asia | 0 | - | 4.97 | 71,381 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,185 |
| The Only African Country ... | 0 | - | 4.99 | 129,509 |
| The Only American Country ... | 0 | - | 4.92 | 122,051 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,314 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,187 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,317 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,231 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,594 |
| European Countries with One Border | 0 | - | 4.97 | 183,504 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,243 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,626 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,474 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,191 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,061 |
| Countries That Border Russia | 0 | - | 4.98 | 463,894 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,946 |
| Countries Bordering France | 0 | - | 4.83 | 404,344 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,322 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,582 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,781 |
| UK Immigration by Country | 0 | - | 4.94 | 141,458 |
| Central American Countries | 0 | - | 4.98 | 157,117 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,149 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,157 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,754 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,948 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,775 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,249 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,062 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,615 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,902 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,489 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,647 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,220 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,612 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,557 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,628 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,346 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,805 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,473 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,347 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,616 |
| Germany Country Quiz | 0 | - | 4.83 | 158,561 |
| Russia Country Quiz | 0 | - | 4.83 | 115,137 |
| Japan Country Quiz | 0 | - | 4.93 | 143,093 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,657 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,618 |
| Tanzania Country Quiz | 0 | - | 4.91 | 33,201 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,504 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,006 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,519 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,595 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,827 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,513 |
| Countries with Megacities | 0 | - | 4.99 | 266,003 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,297 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,771 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,556 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,896 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,051 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,953 |
| Random European Capital to Country | 0 | - | 4.98 | 191,850 |
| Random European Country to Capital | 0 | - | 4.93 | 165,672 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,382 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,286 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,355 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,306 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,124 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,627 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,545 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,607 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,271 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,077 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,091 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,196 |
| Every European Country Shape | 0 | - | 4.96 | 202,610 |
| Every African Country Shape | 0 | - | 4.90 | 88,089 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 85,613 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,677 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,337 |
| Countries Bordering India | 0 | - | 4.98 | 163,715 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,888 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,833 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,652 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,756 |
| Countries that Border China | 0 | - | 4.96 | 263,966 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,060 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,059 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,565 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,908 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,867 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,768 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,161 |
| Countries that Border Poland | 0 | - | 4.99 | 172,939 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,266 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,238 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,714 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,419 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,653 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,533 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,069 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,792 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,131 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,279 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,386 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,982 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,907 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,875 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,075 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,780 |
| Countries Closest to India | 0 | - | 4.97 | 103,104 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,047 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,049 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 69,160 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,124 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,286 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,911 |
| Iraq Country Quiz | 0 | - | 4.43 | 41,082 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,063 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,867 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,915 |
| Asia Map Quiz | 0 | - | 4.99 | 922,990 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,166 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,112 |
