| Olympic Host Countries | 0 | - | 4.98 | 199,038 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,903 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,739 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,953 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,262 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,781 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,697 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,485 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,320 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,170 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,934 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,786 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,917 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,378 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,383 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,964 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,633 |
| Countries with Megacities | 0 | - | 4.99 | 247,587 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,474 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,210 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,886 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,133 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,584 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,367 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,896 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,078 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,060 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,029 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,281 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,031 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,564 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,822 |
| North American Sports Cities | 0 | - | 4.83 | 171,028 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,257 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,914 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,757 |
| The Only European Country ... | 0 | - | 4.91 | 214,162 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,378 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,769 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,320 |
| Countries of Africa | 0 | - | 5.00 | 2,511,293 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,943 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,557 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,358 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,405 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,208 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,491 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,080 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,507 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,697 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,621 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,426 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,368 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,711 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,645 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,902 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,325 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,883 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,616 |
| Countries of the Middle East | 0 | - | 4.96 | 199,172 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,386 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 71,010 |
| Slavic Countries | 0 | - | 4.96 | 110,961 |
| African Island Countries | 0 | - | 4.96 | 100,886 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,548 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,237 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,252 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,247 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,890 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,614 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,300 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,774 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,813 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,899 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,205 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,253 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,407 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,658 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,386 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,501 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,346 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,582 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,161 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,155 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,997 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,069 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,876 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,530 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,692 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,421 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,283 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,471 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,426 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,436 |
| Monarchies of Europe | 0 | - | 4.90 | 97,420 |
| Monarchies of Asia | 0 | - | 4.97 | 70,657 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,476 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,021 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,687 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,445 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,640 |
| Countries that Start with D | 0 | - | 4.96 | 702,446 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,582 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,964 |
| Countries that Start with H | 0 | - | 4.96 | 598,688 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,155 |
| Countries that Start with J | 0 | - | 4.98 | 596,741 |
| Countries that Start with K | 0 | - | 4.97 | 810,073 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,730 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,624 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,361 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,723 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,833 |
| Countries that Start with U | 0 | - | 4.97 | 900,438 |
| Countries that Start with V | 0 | - | 4.98 | 605,566 |
| Countries that Start with F | 0 | - | 4.83 | 612,804 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,289 |
| The Only African Country ... | 0 | - | 4.98 | 128,436 |
| The Only American Country ... | 0 | - | 4.92 | 120,859 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,815 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,294 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,111 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,530 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,167 |
| European Countries with One Border | 0 | - | 4.97 | 181,761 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,655 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,416 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,643 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,895 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,003 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,286 |
| Countries That Border Russia | 0 | - | 4.98 | 459,415 |
| Countries Bordering France | 0 | - | 4.83 | 400,051 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,317 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,012 |
| UK Immigration by Country | 0 | - | 4.94 | 139,803 |
| Boxing Countries | 0 | - | 4.26 | 31,240 |
| Central American Countries | 0 | - | 4.98 | 155,176 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,755 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,087 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,375 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,934 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,264 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,435 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,440 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,326 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,162 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,878 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,818 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,531 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,292 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,337 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,203 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,533 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,570 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,256 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,574 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,285 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,027 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,239 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,155 |
| Germany Country Quiz | 0 | - | 4.82 | 156,736 |
| Russia Country Quiz | 0 | - | 4.85 | 113,745 |
| Italy Country Quiz | 0 | - | 4.82 | 122,345 |
| Japan Country Quiz | 0 | - | 4.92 | 141,448 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,395 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,927 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,844 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,090 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 34,785 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,317 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,104 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,402 |
| Syria Country Quiz | 0 | - | 4.81 | 32,415 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,387 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,534 |
| Palau Country Quiz | 0 | - | 4.89 | 22,863 |
| Boundary Waters | 0 | - | 4.92 | 88,082 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,853 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,395 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,006 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,361 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,157 |
| Random European Capital to Country | 0 | - | 4.98 | 189,386 |
| Random European Country to Capital | 0 | - | 4.92 | 147,593 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,463 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,539 |
| Random African Country to Capital | 0 | - | 4.94 | 70,302 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,983,767 |
| Landlocked Countries | 0 | - | 4.99 | 414,390 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,824 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,047 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,918 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,104 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,185 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,330 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,775 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,599 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,830 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,495 |
