| Countries by Sports League Revenue | 0 | - | 4.94 | 75,400 |
| Olympic Host Countries | 0 | - | 4.98 | 198,770 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,812 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,824 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,671 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,109 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,780 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,883 |
| Countries with Megacities | 0 | - | 4.99 | 246,239 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,802 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,744 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,267 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,681 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,626 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,144 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,535 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,215 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,584 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,730 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,013 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,879 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,355 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,733 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,714 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,762 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,409 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,494 |
| North American Sports Cities | 0 | - | 4.83 | 170,759 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,883 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,747 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,724 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,347 |
| The Only European Country ... | 0 | - | 4.91 | 213,518 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,847 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,335 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,157 |
| Countries of Africa | 0 | - | 5.00 | 2,504,620 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,563 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,213 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,832 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,707 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,721 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,059 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,174 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,766 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,300 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,476 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,314 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,167 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,186 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,511 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,489 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,725 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,107 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,892 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,650 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,056 |
| Countries of the Middle East | 0 | - | 4.96 | 198,713 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,153 |
| Slavic Countries | 0 | - | 4.96 | 110,775 |
| African Island Countries | 0 | - | 4.96 | 100,668 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,459 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,004 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,967 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,507 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,593 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,365 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,932 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,486 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,588 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,677 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,114 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,080 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,201 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,472 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,158 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,324 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,136 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,427 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,706 |
| Boundary Waters | 0 | - | 4.92 | 87,993 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,182 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,726 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,815 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,695 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,902 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,587 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,766 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,273 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,802 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,861 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,473 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,153 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,101 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,253 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,268 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,297 |
| Monarchies of Europe | 0 | - | 4.90 | 97,217 |
| Monarchies of Asia | 0 | - | 4.97 | 70,542 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,381 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,267 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,560 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,809 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,144 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,896 |
| Countries that Start with D | 0 | - | 4.96 | 700,588 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,388 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,562 |
| Countries that Start with H | 0 | - | 4.96 | 597,136 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,289 |
| Countries that Start with J | 0 | - | 4.98 | 595,209 |
| Countries that Start with K | 0 | - | 4.96 | 808,677 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,013 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,877 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,727 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,307 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,503 |
| Countries that Start with U | 0 | - | 4.97 | 899,237 |
| Countries that Start with V | 0 | - | 4.98 | 604,574 |
| Countries that Start with F | 0 | - | 4.83 | 611,524 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,359 |
| The Only African Country ... | 0 | - | 4.99 | 128,268 |
| The Only American Country ... | 0 | - | 4.92 | 120,666 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,735 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,204 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,967 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,229 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,931 |
| European Countries with One Border | 0 | - | 4.97 | 181,466 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,974 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,018 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,857,345 |
| Boxing Countries | 0 | - | 4.26 | 31,208 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,372 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,874 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,072 |
| Landlocked Countries | 0 | - | 4.99 | 412,934 |
| UK Immigration by Country | 0 | - | 4.94 | 139,496 |
| Central American Countries | 0 | - | 4.98 | 154,922 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,532 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,677 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 48,994 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,078 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,789 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,999 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,101 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,299 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,159 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,007 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,732 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,711 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,380 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,726 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,425 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,129 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,174 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,036 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,452 |
| Countries That Border Russia | 0 | - | 4.98 | 458,559 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,421 |
| Countries Bordering France | 0 | - | 4.85 | 396,711 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,713 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,172 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,425 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,123 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,946 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,311 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,938 |
| Germany Country Quiz | 0 | - | 4.82 | 156,405 |
| Russia Country Quiz | 0 | - | 4.85 | 113,564 |
| Italy Country Quiz | 0 | - | 4.82 | 122,083 |
| Japan Country Quiz | 0 | - | 4.92 | 141,119 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 137,984 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,794 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,793 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 34,999 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,276 |
| Morocco Country Quiz | 0 | - | 4.81 | 45,985 |
| Syria Country Quiz | 0 | - | 4.81 | 32,265 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,455 |
| Palau Country Quiz | 0 | - | 4.89 | 22,817 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,113 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,079 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,478 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,846 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,099 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,954 |
| Random European Capital to Country | 0 | - | 4.98 | 189,070 |
| Random European Country to Capital | 0 | - | 4.92 | 147,338 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,282 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,332 |
| Random African Country to Capital | 0 | - | 4.94 | 70,157 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,270 |
| Himalayan Countries | 0 | - | 4.95 | 135,074 |
| Andean Countries | 0 | - | 4.94 | 82,679 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,092 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,009 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,777 |
