| Olympic Host Countries | 0 | - | 4.98 | 199,021 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,897 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,725 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,865 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,950 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,191 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,697 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,479 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,293 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,155 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,828 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,781 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,610 |
| Countries with Megacities | 0 | - | 4.99 | 247,524 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,441 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,192 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,859 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,119 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,219 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,930 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,776 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,581 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,360 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,891 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,074 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,050 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,015 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,264 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,016 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,559 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,804 |
| North American Sports Cities | 0 | - | 4.83 | 171,014 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,224 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,902 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,739 |
| The Only European Country ... | 0 | - | 4.91 | 214,130 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,349 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,751 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,258 |
| Countries of Africa | 0 | - | 5.00 | 2,510,852 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,932 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,930 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,544 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 70,999 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,331 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,383 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,204 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,474 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,065 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,495 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,686 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,608 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,411 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,360 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,702 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,640 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,897 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,316 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,755 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,586 |
| Countries of the Middle East | 0 | - | 4.96 | 199,148 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,370 |
| Slavic Countries | 0 | - | 4.96 | 110,943 |
| African Island Countries | 0 | - | 4.96 | 100,877 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,375 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,543 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,218 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,236 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,051 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,875 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,606 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,276 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,757 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,804 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,888 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,196 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,246 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,396 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,651 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,377 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,490 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,341 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,565 |
| Boundary Waters | 0 | - | 4.92 | 88,079 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,848 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,384 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,139 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,143 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,980 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,062 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,640 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,869 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,514 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,890 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,997 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,682 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,408 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,277 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,465 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,418 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,429 |
| Monarchies of Europe | 0 | - | 4.90 | 97,409 |
| Monarchies of Asia | 0 | - | 4.97 | 70,650 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,470 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,286 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,004 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,458 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,242 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,440 |
| Countries that Start with D | 0 | - | 4.96 | 702,325 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,436 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,817 |
| Countries that Start with H | 0 | - | 4.96 | 598,600 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,046 |
| Countries that Start with J | 0 | - | 4.98 | 596,653 |
| Countries that Start with K | 0 | - | 4.97 | 809,977 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,605 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,502 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,257 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,569 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,750 |
| Countries that Start with U | 0 | - | 4.97 | 900,359 |
| Countries that Start with V | 0 | - | 4.98 | 605,507 |
| Countries that Start with F | 0 | - | 4.83 | 612,723 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,169 |
| The Only African Country ... | 0 | - | 4.98 | 128,424 |
| The Only American Country ... | 0 | - | 4.92 | 120,845 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,811 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,291 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,101 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,512 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,155 |
| European Countries with One Border | 0 | - | 4.97 | 181,744 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,641 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,271 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,974,819 |
| Boxing Countries | 0 | - | 4.26 | 31,240 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 113,622 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,007 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,346 |
| Landlocked Countries | 0 | - | 4.99 | 414,302 |
| UK Immigration by Country | 0 | - | 4.94 | 139,791 |
| Central American Countries | 0 | - | 4.98 | 155,167 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,738 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,068 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,045 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,368 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,923 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,238 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,415 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,429 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,320 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,156 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,871 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,815 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,525 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,826 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,489 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,286 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,329 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,190 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,530 |
| Countries That Border Russia | 0 | - | 4.98 | 459,289 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,562 |
| Countries Bordering France | 0 | - | 4.83 | 399,979 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,291 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,250 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,565 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,272 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,022 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,176 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,140 |
| Germany Country Quiz | 0 | - | 4.82 | 156,715 |
| Russia Country Quiz | 0 | - | 4.85 | 113,728 |
| Italy Country Quiz | 0 | - | 4.82 | 122,334 |
| Japan Country Quiz | 0 | - | 4.92 | 141,430 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,376 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,914 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,837 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,082 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 34,685 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,315 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,096 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,398 |
| Syria Country Quiz | 0 | - | 4.81 | 32,401 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,385 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,525 |
| Palau Country Quiz | 0 | - | 4.89 | 22,861 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,213 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,176 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,827 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,175 |
| World Capitals Quiz | 0 | - | 5.00 | 5,035,965 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,153 |
| Random European Capital to Country | 0 | - | 4.98 | 189,376 |
| Random European Country to Capital | 0 | - | 4.92 | 147,587 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,455 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,533 |
| Random African Country to Capital | 0 | - | 4.94 | 70,298 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,867 |
