| Olympic Host Countries | 0 | - | 4.98 | 198,998 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,876 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,703 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,858 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,940 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,089 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,691 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,471 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,257 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,130 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,685 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,776 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,553 |
| Countries with Megacities | 0 | - | 4.99 | 247,434 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,389 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,163 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,815 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,071 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,771 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,006 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,889 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,578 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,347 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,879 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,071 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,033 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,968 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,202 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,997 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,547 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,761 |
| North American Sports Cities | 0 | - | 4.83 | 170,996 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,182 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,889 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,713 |
| The Only European Country ... | 0 | - | 4.91 | 214,085 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,306 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,721 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,253 |
| Countries of Africa | 0 | - | 5.00 | 2,510,226 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,923 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,909 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,525 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,285 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,356 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,192 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,445 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,042 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,482 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,666 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,578 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,392 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,349 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,689 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,632 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,883 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,303 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,629 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,539 |
| Countries of the Middle East | 0 | - | 4.96 | 199,112 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,352 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,984 |
| Slavic Countries | 0 | - | 4.96 | 110,923 |
| African Island Countries | 0 | - | 4.96 | 100,858 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,369 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,529 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,204 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,208 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,783 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,845 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,588 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,249 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,725 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,782 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,865 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,187 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,224 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,383 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,641 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,362 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,481 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,325 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,552 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,112 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,114 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,950 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,049 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,632 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,861 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,495 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,884 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,985 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,667 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,379 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,264 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,447 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,408 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,413 |
| Monarchies of Europe | 0 | - | 4.90 | 97,389 |
| Monarchies of Asia | 0 | - | 4.97 | 70,642 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,458 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,285 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,963 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,126 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,965 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,223 |
| Countries that Start with D | 0 | - | 4.96 | 702,176 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,240 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,613 |
| Countries that Start with H | 0 | - | 4.96 | 598,471 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,874 |
| Countries that Start with J | 0 | - | 4.98 | 596,538 |
| Countries that Start with K | 0 | - | 4.97 | 809,863 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,439 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,351 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,112 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,356 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,646 |
| Countries that Start with U | 0 | - | 4.97 | 900,258 |
| Countries that Start with V | 0 | - | 4.98 | 605,425 |
| Countries that Start with F | 0 | - | 4.83 | 612,621 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,991 |
| The Only African Country ... | 0 | - | 4.99 | 128,411 |
| The Only American Country ... | 0 | - | 4.92 | 120,833 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,805 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,282 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,091 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,496 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,137 |
| European Countries with One Border | 0 | - | 4.97 | 181,724 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,632 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,168 |
| Boundary Waters | 0 | - | 4.92 | 88,073 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,841 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,369 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,001 |
| UK Immigration by Country | 0 | - | 4.94 | 139,769 |
| Boxing Countries | 0 | - | 4.26 | 31,240 |
| Central American Countries | 0 | - | 4.98 | 155,156 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,724 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,042 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,350 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,915 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,169 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,375 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,419 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,310 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,150 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,862 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,814 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,506 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,277 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,318 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,175 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,521 |
| Countries That Border Russia | 0 | - | 4.98 | 459,147 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,548 |
| Countries Bordering France | 0 | - | 4.83 | 399,853 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,259 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,247 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,556 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,250 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,017 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,118 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,122 |
| Germany Country Quiz | 0 | - | 4.82 | 156,690 |
| Russia Country Quiz | 0 | - | 4.85 | 113,702 |
| Italy Country Quiz | 0 | - | 4.82 | 122,319 |
| Japan Country Quiz | 0 | - | 4.92 | 141,397 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,342 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,901 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,836 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,076 |
| Kazakhstan Country Quiz | 0 | - | 4.82 | 34,386 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,085 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,384 |
| Syria Country Quiz | 0 | - | 4.81 | 32,383 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,516 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 112,891 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,328 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,963,482 |
| Landlocked Countries | 0 | - | 4.99 | 414,149 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,038 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,822 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,486 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,307 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,375 |
| Palau Country Quiz | 0 | - | 4.89 | 22,854 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,166 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,991 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,143 |
| Random European Capital to Country | 0 | - | 4.98 | 189,351 |
| Random European Country to Capital | 0 | - | 4.92 | 147,575 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,449 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,525 |
| Random African Country to Capital | 0 | - | 4.94 | 70,289 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,818 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,896 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,098 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,181 |
