| Olympic Host Countries | 0 | - | 4.98 | 199,084 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,939 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,772 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,874 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,963 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,441 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,719 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,505 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,403 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,236 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,263 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,799 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,722 |
| Countries with Megacities | 0 | - | 4.99 | 247,800 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,587 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,245 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,971 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,194 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,897 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,089 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,797 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,593 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,385 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,915 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,089 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,107 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,084 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,346 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,074 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,582 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,863 |
| North American Sports Cities | 0 | - | 4.83 | 171,061 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,343 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,947 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,835 |
| The Only European Country ... | 0 | - | 4.91 | 214,313 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,480 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,835 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,348 |
| Countries of Africa | 0 | - | 5.00 | 2,512,489 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,947 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,997 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,595 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 71,049 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,464 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,461 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,225 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,547 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,115 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,532 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,734 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,663 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,457 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,388 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,738 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,654 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,916 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,356 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,217 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,715 |
| Countries of the Middle East | 0 | - | 4.96 | 199,256 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,428 |
| Slavic Countries | 0 | - | 4.96 | 110,997 |
| African Island Countries | 0 | - | 4.96 | 100,913 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,386 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,565 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,281 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,299 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,794 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,942 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,643 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,343 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,830 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,856 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,934 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,220 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,283 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,446 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,686 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,422 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,529 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,379 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,616 |
| Boundary Waters | 0 | - | 4.92 | 88,102 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,872 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,427 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,243 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,213 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,046 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,106 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,650 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,891 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,560 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,907 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,021 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,718 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,483 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,313 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,504 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,442 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,473 |
| Monarchies of Europe | 0 | - | 4.90 | 97,471 |
| Monarchies of Asia | 0 | - | 4.97 | 70,678 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,496 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,292 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,092 |
| Countries that Start with A | 0 | - | 4.98 | 2,149,399 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,113 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,150 |
| Countries that Start with D | 0 | - | 4.96 | 702,792 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,021 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,411 |
| Countries that Start with H | 0 | - | 4.96 | 598,952 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,500 |
| Countries that Start with J | 0 | - | 4.98 | 597,016 |
| Countries that Start with K | 0 | - | 4.97 | 810,332 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,064 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,954 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,674 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,168 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,069 |
| Countries that Start with U | 0 | - | 4.97 | 900,630 |
| Countries that Start with V | 0 | - | 4.98 | 605,727 |
| Countries that Start with F | 0 | - | 4.83 | 613,035 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,649 |
| The Only African Country ... | 0 | - | 4.99 | 128,463 |
| The Only American Country ... | 0 | - | 4.92 | 120,889 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,822 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,313 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,150 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,573 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,209 |
| European Countries with One Border | 0 | - | 4.97 | 181,796 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,697 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,484 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,005,765 |
| Boxing Countries | 0 | - | 4.26 | 31,245 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,431 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,026 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,385 |
| Landlocked Countries | 0 | - | 4.99 | 414,687 |
| UK Immigration by Country | 0 | - | 4.94 | 139,856 |
| Central American Countries | 0 | - | 4.98 | 155,210 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,780 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,135 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,060 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,415 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,956 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,375 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,505 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,466 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,362 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,179 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,905 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,838 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,558 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,847 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,508 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,326 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,365 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,244 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,557 |
| Countries That Border Russia | 0 | - | 4.98 | 459,551 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,577 |
| Countries Bordering France | 0 | - | 4.83 | 400,244 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,410 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,281 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,602 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,335 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,048 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,424 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,192 |
| Germany Country Quiz | 0 | - | 4.82 | 156,791 |
| Russia Country Quiz | 0 | - | 4.85 | 113,785 |
| Italy Country Quiz | 0 | - | 4.82 | 122,395 |
| Japan Country Quiz | 0 | - | 4.92 | 141,497 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,452 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,947 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,862 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,099 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,016 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,322 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,121 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,420 |
| Syria Country Quiz | 0 | - | 4.81 | 32,438 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,391 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,554 |
| Palau Country Quiz | 0 | - | 4.89 | 22,869 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,239 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,198 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,001 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,223 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,873 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,170 |
| Random European Capital to Country | 0 | - | 4.98 | 189,426 |
| Random European Country to Capital | 0 | - | 4.92 | 147,623 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,490 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,567 |
| Random African Country to Capital | 0 | - | 4.94 | 70,319 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,035 |
