| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,393 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,869 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,411 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,222 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,958 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,399 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,377 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,873 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,714 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,293 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 117,654 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,653 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,042 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,623 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,114 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,074 |
| The Only European Country ... | 0 | - | 4.91 | 214,729 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,757 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,058 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,406 |
| Countries of Africa | 0 | - | 5.00 | 2,516,459 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,567 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,671 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,905 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,940 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,993 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,343 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,705 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,197 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,549 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,511 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,889 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,620 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,557 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,456 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,823 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,712 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,961 |
| Asia Capital to Country | 0 | - | 4.96 | 126,031 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,592 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,297 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,709 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,033 |
| Countries of the Middle East | 0 | - | 4.96 | 199,545 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,577 |
| Slavic Countries | 0 | - | 4.96 | 111,105 |
| African Island Countries | 0 | - | 4.96 | 101,041 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,109 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,805 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,527 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,015 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,992 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,075 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,321 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,413 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,574 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,796 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,549 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,638 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,492 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,724 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,749 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,172 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,969 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,491 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,279 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,807 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,723 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,408 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,650 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,596 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,644 |
| Monarchies of Europe | 0 | - | 4.90 | 97,568 |
| Monarchies of Asia | 0 | - | 4.97 | 70,751 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,558 |
| The Only African Country ... | 0 | - | 4.99 | 128,597 |
| The Only American Country ... | 0 | - | 4.92 | 121,056 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,876 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,385 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,237 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,736 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,357 |
| European Countries with One Border | 0 | - | 4.97 | 181,956 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,842 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,603 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,693 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,796 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,022 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,516 |
| Vietnam War Countries | 0 | - | 4.83 | 93,806 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,733 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,848 |
| Countries That Border Russia | 0 | - | 4.98 | 459,939 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,748 |
| Countries Bordering France | 0 | - | 4.83 | 400,725 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,678 |
| Europe Map Quiz | 0 | - | 5.00 | 4,740,950 |
| UK Immigration by Country | 0 | - | 4.94 | 139,980 |
| Central American Countries | 0 | - | 4.98 | 155,385 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,895 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,555 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,068 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,799 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,773 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,636 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,333 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,993 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,910 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,422 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,480 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,364 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,616 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,645 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,336 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,688 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,439 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,098 |
| Germany Country Quiz | 0 | - | 4.82 | 156,971 |
| Russia Country Quiz | 0 | - | 4.85 | 113,903 |
| Italy Country Quiz | 0 | - | 4.82 | 122,539 |
| Japan Country Quiz | 0 | - | 4.92 | 141,672 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,659 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,003 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,893 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,138 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,385 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,342 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,315 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,468 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,967 |
| Countries with Megacities | 0 | - | 4.99 | 248,346 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,868 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,391 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,258 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,324 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,388 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,261 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,998 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,984 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,310 |
| Turkey Country Quiz | 0 | - | 4.42 | 75,292 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,759 |
| Lebanon Country Quiz | 0 | - | 4.56 | 35,746 |
| Iran Country Quiz | 0 | - | 4.53 | 60,035 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,981 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,455 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,554 |
| Asia Map Quiz | 0 | - | 4.99 | 909,516 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,063 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,653 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,227 |
| Random European Capital to Country | 0 | - | 4.98 | 189,610 |
| Random European Country to Capital | 0 | - | 4.92 | 147,732 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,092 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,879 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,111 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,024 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,152 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,249 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,195 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,051 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,111 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,680 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,923 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,550 |
| Every European Country Shape | 0 | - | 4.96 | 200,630 |
| Every African Country Shape | 0 | - | 4.90 | 86,452 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 80,854 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,379 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,556 |
| Countries Bordering India | 0 | - | 4.98 | 163,120 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,861 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,951 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,986 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,299 |
| Countries that Border China | 0 | - | 4.96 | 262,242 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,620 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,220 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,963 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,351 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,587 |
| Countries that Border Poland | 0 | - | 4.99 | 171,647 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,821 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,124 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,102 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,835 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,547 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,645 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,038 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,505 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,636 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,933 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,109 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,164 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,593 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,832 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,593 |
| Countries Closest to India | 0 | - | 4.97 | 102,392 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,115 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,736 |
