| Olympic Host Countries | 0 | - | 4.98 | 199,959 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,299 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,535 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,653 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,075 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,017 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,117 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,263 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,079 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,868 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,172 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,127 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,697 |
| Countries with Megacities | 0 | - | 4.99 | 249,805 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,527 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,794 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,860 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,781 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,000 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,988 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,380 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,713 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,708 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,198 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,236 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,852 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,435 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,193 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,546 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,194 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,250 |
| North American Sports Cities | 0 | - | 4.83 | 171,633 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,322 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,479 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,638 |
| The Only European Country ... | 0 | - | 4.91 | 215,717 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,530 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,602 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,537 |
| Countries of Africa | 0 | - | 5.00 | 2,527,243 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,108 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,623 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,319 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,817 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,241 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,442 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,082 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,589 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,885 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,066 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,608 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,021 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,014 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,082 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,108 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,374 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,004 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,137 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,894 |
| Countries of the Middle East | 0 | - | 4.96 | 200,564 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,894 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,482 |
| Slavic Countries | 0 | - | 4.96 | 111,402 |
| African Island Countries | 0 | - | 4.96 | 101,326 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,437 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,757 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,681 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,792 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,445 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,546 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,168 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,019 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,503 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,327 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,421 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,479 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,712 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,871 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,067 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,886 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,878 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,739 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,979 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,186 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,283 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,800 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,516 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,740 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,114 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,957 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.64 | 64,084 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,257 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,511 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,056 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,653 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,957 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,858 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,856 |
| Monarchies of Europe | 0 | - | 4.90 | 97,860 |
| Monarchies of Asia | 0 | - | 4.97 | 70,918 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,738 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,336 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,078 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,025 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,063 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,754 |
| Countries that Start with D | 0 | - | 4.96 | 706,630 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,625 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,249 |
| Countries that Start with H | 0 | - | 4.96 | 602,203 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,220 |
| Countries that Start with J | 0 | - | 4.98 | 600,145 |
| Countries that Start with K | 0 | - | 4.97 | 813,271 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,996 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,919 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,385 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,118 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,802 |
| Countries that Start with U | 0 | - | 4.97 | 902,806 |
| Countries that Start with V | 0 | - | 4.98 | 607,908 |
| Countries that Start with F | 0 | - | 4.83 | 615,675 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,582 |
| The Only African Country ... | 0 | - | 4.99 | 128,855 |
| The Only American Country ... | 0 | - | 4.92 | 121,319 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,017 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,579 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,601 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,154 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,686 |
| European Countries with One Border | 0 | - | 4.97 | 182,386 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,209 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,883 |
| Boundary Waters | 0 | - | 4.92 | 88,335 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,048 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,813 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,273 |
| UK Immigration by Country | 0 | - | 4.94 | 140,555 |
| Boxing Countries | 0 | - | 4.26 | 31,313 |
| Central American Countries | 0 | - | 4.98 | 155,776 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,232 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,635 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,884 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,321 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,901 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,402 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,942 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,708 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,624 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,246 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,076 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,873 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,649 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,780 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,681 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,773 |
| Countries That Border Russia | 0 | - | 4.98 | 460,841 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,832 |
| Countries Bordering France | 0 | - | 4.83 | 401,633 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,421 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,469 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,885 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,708 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,241 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,550 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,654 |
| Name a Valid African Country | 0 | - | 4.98 | 153,635 |
| Germany Country Quiz | 0 | - | 4.82 | 157,440 |
| Russia Country Quiz | 0 | - | 4.85 | 114,183 |
| Italy Country Quiz | 0 | - | 4.82 | 122,887 |
| Japan Country Quiz | 0 | - | 4.93 | 142,112 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,257 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,185 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,986 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,261 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,635 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,339 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,617 |
| Syria Country Quiz | 0 | - | 4.81 | 32,621 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,696 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,423 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,847 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,267,554 |
| Landlocked Countries | 0 | - | 4.99 | 418,006 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,177 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,112 |
| The Only Remaining Asian Country . . . | 0 | - | 4.63 | 45,687 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,399 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,472 |
| Palau Country Quiz | 0 | - | 4.90 | 22,952 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,375 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,446 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,474 |
| Random European Capital to Country | 0 | - | 4.98 | 190,481 |
| Random European Country to Capital | 0 | - | 4.93 | 163,983 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,033 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,165 |
| Random African Country to Capital | 0 | - | 4.94 | 70,956 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,005 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,230 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,295 |
