| Olympic Host Countries | 0 | - | 4.98 | 199,271 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,621 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,050 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,959 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,914 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,856 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,000 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,076 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,802 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,583 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,418 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,935 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,940 |
| Countries with Megacities | 0 | - | 4.99 | 248,281 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,842 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,379 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,227 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,309 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,856 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,167 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,431 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,626 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,454 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,981 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,113 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,222 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,171 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,613 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,170 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,644 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,969 |
| North American Sports Cities | 0 | - | 4.83 | 171,208 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,591 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,095 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,047 |
| The Only European Country ... | 0 | - | 4.91 | 214,683 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,729 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,040 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,398 |
| Countries of Africa | 0 | - | 5.00 | 2,516,061 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,977 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,172 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,781 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,845 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,606 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,269 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,684 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,227 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,632 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,799 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,794 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,552 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,448 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,817 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,701 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,957 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,428 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,081 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,997 |
| Countries of the Middle East | 0 | - | 4.96 | 199,520 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,557 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 71,138 |
| Slavic Countries | 0 | - | 4.96 | 111,095 |
| African Island Countries | 0 | - | 4.96 | 101,026 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,399 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,611 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,375 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,417 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,390 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,085 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,787 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,508 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,994 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,979 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,057 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,316 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,401 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,558 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,786 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,538 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,624 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,483 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,710 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,459 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,392 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,248 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,200 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,669 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,945 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,657 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,957 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,076 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,802 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,613 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,395 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,623 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,569 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,624 |
| Monarchies of Europe | 0 | - | 4.90 | 97,560 |
| Monarchies of Asia | 0 | - | 4.97 | 70,743 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,550 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,303 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,349 |
| Countries that Start with A | 0 | - | 4.98 | 2,151,245 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,766 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,429 |
| Countries that Start with D | 0 | - | 4.96 | 703,709 |
| Countries that Start with E | 0 | - | 4.95 | 1,370,068 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,577 |
| Countries that Start with H | 0 | - | 4.96 | 599,737 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,395 |
| Countries that Start with J | 0 | - | 4.98 | 597,769 |
| Countries that Start with K | 0 | - | 4.97 | 811,019 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,929 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,841 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,510 |
| Countries that Start with S | 0 | - | 4.98 | 1,747,310 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,712 |
| Countries that Start with U | 0 | - | 4.97 | 901,149 |
| Countries that Start with V | 0 | - | 4.98 | 606,182 |
| Countries that Start with F | 0 | - | 4.83 | 613,681 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,577 |
| The Only African Country ... | 0 | - | 4.99 | 128,582 |
| The Only American Country ... | 0 | - | 4.92 | 121,041 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,867 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,371 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,230 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,722 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,343 |
| European Countries with One Border | 0 | - | 4.97 | 181,934 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,828 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,589 |
| Boundary Waters | 0 | - | 4.92 | 88,139 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,901 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,516 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,097 |
| UK Immigration by Country | 0 | - | 4.94 | 139,969 |
| Boxing Countries | 0 | - | 4.26 | 31,259 |
| Central American Countries | 0 | - | 4.98 | 155,358 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,883 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,269 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,540 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,055 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,753 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,744 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,621 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 117,271 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,315 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,985 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,906 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,645 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,412 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,469 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,352 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,608 |
| Countries That Border Russia | 0 | - | 4.98 | 459,903 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,641 |
| Countries Bordering France | 0 | - | 4.83 | 400,677 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,655 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,330 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,684 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,432 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,092 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,943 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,303 |
| Germany Country Quiz | 0 | - | 4.82 | 156,947 |
| Russia Country Quiz | 0 | - | 4.85 | 113,887 |
| Italy Country Quiz | 0 | - | 4.82 | 122,517 |
| Japan Country Quiz | 0 | - | 4.92 | 141,636 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,632 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,993 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,889 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,128 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,344 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,164 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,464 |
| Syria Country Quiz | 0 | - | 4.81 | 32,481 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,594 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,907 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,513 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,068,687 |
| Landlocked Countries | 0 | - | 4.99 | 415,502 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,107 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,912 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,545 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,336 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,410 |
| Palau Country Quiz | 0 | - | 4.90 | 22,891 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,243 |
| World Capitals Quiz | 0 | - | 5.00 | 5,043,511 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,224 |
| Random European Capital to Country | 0 | - | 4.98 | 189,598 |
| Random European Country to Capital | 0 | - | 4.92 | 147,727 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,561 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,659 |
| Random African Country to Capital | 0 | - | 4.94 | 70,387 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,874 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,015 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,150 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,242 |
