| Countries by Sports League Revenue | 0 | - | 4.89 | 45,260 |
| Olympic Host Countries | 0 | - | 4.98 | 164,610 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 240,525 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 33,267 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 129,034 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,415 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,372 |
| Countries with Megacities | 0 | - | 4.99 | 202,295 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,743 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,156 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,534 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,120 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,656 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,330,898 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,802 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.46 | 47,098 |
| Countries with Major League Baseball Players | 0 | - | 4.55 | 53,924 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 87,274 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 49,577 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 52,283 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.46 | 78,864 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,605 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,684 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,752 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,370 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,464 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,707 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,557 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 95,717 |
| The Only European Country ... | 0 | - | 4.93 | 183,666 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,175 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,416 |
| Countries of Africa | 0 | - | 5.00 | 2,221,412 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,244 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.45 | 86,865 |
| Countries With the Most NBA Players | 0 | - | 4.45 | 83,623 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 63,130 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.69 | 85,615 |
| Countries that Export the Most Football Players | 0 | - | 4.39 | 49,408 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,898 |
| Most Populous Countries by Year | 0 | - | 4.81 | 96,025 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,453 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,584 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 85,092 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,226 |
| Densest Countries Bordering Each Other | 0 | - | 4.94 | 73,155 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 208,074 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 111,083 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,442 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 77,112 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 54,325 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,721 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 88,309 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 196,150 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,211,610 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 191,073 |
| Countries of the Middle East | 0 | - | 4.95 | 177,520 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,629 |
| Slavic Countries | 0 | - | 4.96 | 101,707 |
| African Island Countries | 0 | - | 4.96 | 91,245 |
| Straight Shot to Antarctica | 0 | - | 4.91 | 38,099 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 154,908 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 148,582 |
| Countries of North America Quiz | 0 | - | 5.00 | 899,538 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 113,061 |
| Asian Countries Ending in "IA" | 0 | - | 4.95 | 95,421 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,908 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 201,221 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 180,391 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,820 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,972 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,414 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 140,347 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,760 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,682 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,358 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,351 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.46 | 156,763 |
| Boundary Waters | 0 | - | 4.93 | 82,105 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,591 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 210,095 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 164,528 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 160,951 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 92,942 |
| Countries by Population Decrease | 0 | - | 4.43 | 47,065 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 91,074 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 148,173 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,510 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.89 | 15,914 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 163,714 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.85 | 210,151 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 103,444 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 123,567 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,458 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,542 |
| Monarchies of Europe | 0 | - | 4.89 | 88,365 |
| Monarchies of Asia | 0 | - | 4.95 | 54,895 |
| Athletes by Country Quiz #1 | 0 | - | 4.34 | 44,314 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 114,736 |
| Countries that Start with A | 0 | - | 4.98 | 1,979,491 |
| Countries that Start with B | 0 | - | 4.95 | 2,118,603 |
| Countries that Start with C | 0 | - | 4.96 | 1,677,086 |
| Countries that Start with D | 0 | - | 4.96 | 612,651 |
| Countries that Start with E | 0 | - | 4.95 | 1,256,431 |
| Countries that Start with G | 0 | - | 4.97 | 1,376,428 |
| Countries that Start with H | 0 | - | 4.96 | 522,696 |
| Countries that Start with I | 0 | - | 4.92 | 1,183,945 |
| Countries that Start with J | 0 | - | 4.98 | 524,879 |
| Countries that Start with K | 0 | - | 4.96 | 731,086 |
| Countries that Start with L | 0 | - | 4.98 | 991,554 |
| Countries that Start with N | 0 | - | 4.93 | 1,017,869 |
| Countries that Start with P | 0 | - | 4.95 | 1,120,302 |
| Countries that Start with S | 0 | - | 4.98 | 1,630,398 |
| Countries that Start with T | 0 | - | 4.89 | 928,615 |
| Countries that Start with U | 0 | - | 4.96 | 836,556 |
| Countries that Start with V | 0 | - | 4.98 | 560,073 |
| Countries that Start with F | 0 | - | 4.84 | 551,026 |
| Countries that Start with M | 0 | - | 4.97 | 1,275,214 |
| The Only African Country ... | 0 | - | 4.99 | 121,346 |
| The Only American Country ... | 0 | - | 4.94 | 111,738 |
| African Countries by a Single Clue | 0 | - | 4.92 | 64,344 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,624 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 67,214 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 85,601 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,597 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 123,584 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 93,653 |
| European Countries with One Border | 0 | - | 4.96 | 152,823 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 146,705 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,811 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,859,417 |
| Boxing Countries | 0 | - | 4.24 | 29,799 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,844 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 94,350 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,495 |
| North American Sports Cities | 0 | - | 4.80 | 161,314 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 95,849 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 335,525 |
| UK Immigration by Country | 0 | - | 4.94 | 127,661 |
| Central American Countries | 0 | - | 4.98 | 141,628 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,817 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,426 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 95,673 |
| American Countries on the Pacific Coast | 0 | - | 4.78 | 46,852 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 86,350 |
| African Countries with the Most Christians | 0 | - | 4.92 | 68,625 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,703 |
| Most Forested European Countries | 0 | - | 4.82 | 69,485 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 182,337 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 111,645 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 103,907 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,186 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 93,528 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 53,296 |
| European Countries NOT in NATO | 0 | - | 4.79 | 36,446 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 71,800 |
| The Only Remaining Asian Country . . . | 0 | - | 4.70 | 40,860 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 183,266 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 117,230 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,373 |
| Countries That Border Russia | 0 | - | 4.98 | 431,688 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.90 | 82,671 |
| Countries Bordering France | 0 | - | 4.87 | 362,022 |
| Countries Bordering Germany | 0 | - | 4.99 | 344,838 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 85,331 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 61,339 |
| Countries Closest to Australia | 0 | - | 4.99 | 147,238 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 77,960 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 193,319 |
| Germany Country Quiz | 0 | - | 4.82 | 143,192 |
| Russia Country Quiz | 0 | - | 4.85 | 105,142 |
| Italy Country Quiz | 0 | - | 4.81 | 111,634 |
| Japan Country Quiz | 0 | - | 4.92 | 121,739 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 121,993 |
| Croatia Country Quiz | 0 | - | 4.81 | 38,385 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.82 | 31,645 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,741 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,380 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,804 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 140,062 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,773 |
| World Capitals Quiz | 0 | - | 5.00 | 4,586,657 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,571 |
| Random European Capital to Country | 0 | - | 4.97 | 155,307 |
| Random European Country to Capital | 0 | - | 4.93 | 137,215 |
| Random Asian Country to Capital | 0 | - | 4.93 | 87,090 |
| Random Asian Capital to Country | 0 | - | 4.97 | 91,110 |
| Members of the Arab League | 0 | - | 4.86 | 66,705 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,837 |
| Himalayan Countries | 0 | - | 4.94 | 108,770 |
| Andean Countries | 0 | - | 4.91 | 60,423 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,625 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 51,022 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,652 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,941 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,395 |
| Danube Countries | 0 | - | 4.96 | 57,303 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,301 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,361 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,879 |
