| Olympic Host Countries | 0 | - | 4.98 | 199,252 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,606 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,045 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,943 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,912 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,852 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,000 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,030 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,797 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,575 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,395 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,885 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,926 |
| Countries with Megacities | 0 | - | 4.99 | 248,232 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,826 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,370 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,206 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,304 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,855 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,051 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,413 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,625 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,452 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,976 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,112 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,216 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,164 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,604 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,166 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,639 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,961 |
| North American Sports Cities | 0 | - | 4.83 | 171,194 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,575 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,080 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,033 |
| The Only European Country ... | 0 | - | 4.91 | 214,660 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,715 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,024 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,393 |
| Countries of Africa | 0 | - | 5.00 | 2,515,771 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,973 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,156 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,763 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,826 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,597 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,267 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,679 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,213 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,622 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,796 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,782 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,549 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,443 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,809 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,697 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,955 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,422 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,014 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,984 |
| Countries of the Middle East | 0 | - | 4.96 | 199,512 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,545 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.14 | 71,133 |
| Slavic Countries | 0 | - | 4.96 | 111,087 |
| African Island Countries | 0 | - | 4.96 | 101,015 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,399 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,605 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,370 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,410 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,264 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,069 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,775 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,497 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,978 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,975 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,043 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,310 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,392 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,552 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,773 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,530 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,614 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,470 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,700 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,446 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,381 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,238 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,190 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,669 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,938 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,649 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,952 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,074 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,797 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,604 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,377 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,610 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,547 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,612 |
| Monarchies of Europe | 0 | - | 4.90 | 97,553 |
| Monarchies of Asia | 0 | - | 4.97 | 70,740 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,546 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,303 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,328 |
| Countries that Start with A | 0 | - | 4.98 | 2,151,103 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,669 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,339 |
| Countries that Start with D | 0 | - | 4.96 | 703,649 |
| Countries that Start with E | 0 | - | 4.95 | 1,370,006 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,480 |
| Countries that Start with H | 0 | - | 4.96 | 599,681 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,331 |
| Countries that Start with J | 0 | - | 4.98 | 597,717 |
| Countries that Start with K | 0 | - | 4.97 | 810,965 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,867 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,785 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,438 |
| Countries that Start with S | 0 | - | 4.98 | 1,747,237 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,669 |
| Countries that Start with U | 0 | - | 4.97 | 901,111 |
| Countries that Start with V | 0 | - | 4.98 | 606,150 |
| Countries that Start with F | 0 | - | 4.83 | 613,639 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,521 |
| The Only African Country ... | 0 | - | 4.99 | 128,576 |
| The Only American Country ... | 0 | - | 4.92 | 121,035 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,862 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,368 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,225 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,708 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,328 |
| European Countries with One Border | 0 | - | 4.97 | 181,921 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,823 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,582 |
| Boundary Waters | 0 | - | 4.92 | 88,135 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,900 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,511 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,095 |
| UK Immigration by Country | 0 | - | 4.94 | 139,961 |
| Boxing Countries | 0 | - | 4.26 | 31,258 |
| Central American Countries | 0 | - | 4.98 | 155,352 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,875 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,258 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,528 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,044 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,720 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,724 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,609 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 117,033 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,305 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,980 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,901 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,637 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,408 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,463 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,343 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,602 |
| Countries That Border Russia | 0 | - | 4.98 | 459,883 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,633 |
| Countries Bordering France | 0 | - | 4.83 | 400,648 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,638 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,323 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,680 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,429 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,085 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,904 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,287 |
| Germany Country Quiz | 0 | - | 4.82 | 156,924 |
| Russia Country Quiz | 0 | - | 4.85 | 113,877 |
| Italy Country Quiz | 0 | - | 4.82 | 122,507 |
| Japan Country Quiz | 0 | - | 4.92 | 141,625 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,615 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,991 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,886 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,126 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,321 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,162 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,461 |
| Syria Country Quiz | 0 | - | 4.81 | 32,477 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,592 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,866 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,496 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,063,763 |
| Landlocked Countries | 0 | - | 4.99 | 415,433 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,099 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,907 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,542 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,335 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,409 |
| Palau Country Quiz | 0 | - | 4.90 | 22,891 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,237 |
| World Capitals Quiz | 0 | - | 5.00 | 5,043,207 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,221 |
| Random European Capital to Country | 0 | - | 4.98 | 189,567 |
| Random European Country to Capital | 0 | - | 4.92 | 147,722 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,553 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,650 |
| Random African Country to Capital | 0 | - | 4.94 | 70,386 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,866 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,007 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,146 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,241 |
