| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,286 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,691 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,793 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,017 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,002 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,804 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,738 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,626 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,901 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,259 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,982 |
| Countries of Africa | 0 | - | 5.00 | 2,508,217 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,416 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,428 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,026 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,824 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,588 |
| The Only European Country ... | 0 | - | 4.91 | 213,884 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,169 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,564 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,214 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,718 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,855 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,110 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,247 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,307 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,285 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,617 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,577 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,819 |
| Asia Capital to Country | 0 | - | 4.96 | 125,771 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,153 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,192 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,329 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,865 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,911 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,370 |
| Countries of the Middle East | 0 | - | 4.96 | 198,945 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,277 |
| Slavic Countries | 0 | - | 4.96 | 110,872 |
| African Island Countries | 0 | - | 4.96 | 100,800 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,832 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,728 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,502 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,132 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,640 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,723 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,777 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,159 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,173 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,298 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,587 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,288 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,430 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,265 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,510 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,505 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,041 |
| Iran Country Quiz | 0 | - | 4.53 | 59,922 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,687 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,990 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,871 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,602 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,189 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,462 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,217 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,370 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,353 |
| Vietnam War Countries | 0 | - | 4.83 | 93,620 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,375 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,737 |
| Monarchies of Europe | 0 | - | 4.90 | 97,335 |
| Monarchies of Asia | 0 | - | 4.97 | 70,611 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,434 |
| The Only African Country ... | 0 | - | 4.99 | 128,372 |
| The Only American Country ... | 0 | - | 4.92 | 120,768 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,782 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,258 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,049 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,409 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,060 |
| European Countries with One Border | 0 | - | 4.97 | 181,644 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,540 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,118 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,037 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,385 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,486 |
| Countries That Border Russia | 0 | - | 4.98 | 458,949 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,550 |
| Countries Bordering France | 0 | - | 4.83 | 399,221 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,081 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,759 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,310 |
| UK Immigration by Country | 0 | - | 4.94 | 139,667 |
| Central American Countries | 0 | - | 4.98 | 155,070 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,669 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,281 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,870 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,961 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,271 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,369 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,093 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,810 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,780 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,462 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,220 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,259 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,127 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,498 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,500 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,224 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,516 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,209 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,982 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,186 |
| Germany Country Quiz | 0 | - | 4.82 | 156,571 |
| Russia Country Quiz | 0 | - | 4.85 | 113,649 |
| Italy Country Quiz | 0 | - | 4.82 | 122,227 |
| Japan Country Quiz | 0 | - | 4.92 | 141,277 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,179 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,859 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,824 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,041 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,297 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,183 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,670 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,261 |
| Countries with Megacities | 0 | - | 4.99 | 246,974 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,151 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,992 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,567 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,889 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,305 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,083 |
| Random European Capital to Country | 0 | - | 4.98 | 189,233 |
| Random European Country to Capital | 0 | - | 4.92 | 147,473 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,852 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,795 |
| Biggest British Empire Countries | 0 | - | 4.75 | 95,435 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,901 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,578 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,861 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,077 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,156 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,515 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,364 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,762 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,364 |
| Every European Country Shape | 0 | - | 4.96 | 200,203 |
| Every African Country Shape | 0 | - | 4.90 | 86,131 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,107 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,184 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,167 |
| Countries Bordering India | 0 | - | 4.98 | 162,608 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,705 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,784 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,933 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,221 |
| Countries that Border China | 0 | - | 4.96 | 261,831 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,536 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,089 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,235 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,765 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,309 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,495 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,461 |
| Countries that Border Poland | 0 | - | 4.99 | 171,368 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,490 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,869 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,942 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,710 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,287 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,539 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,322 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,382 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,514 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,808 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,897 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,974 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,366 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,759 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,360 |
| Countries Closest to India | 0 | - | 4.97 | 102,214 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,919 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,350 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,537 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,113 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,117 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,335 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,692 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,553 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,386 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,494 |
| Asia Map Quiz | 0 | - | 4.99 | 907,130 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,236 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,805 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,016 |
| Hindu Countries | 0 | - | 4.86 | 49,591 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,788 |
